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1/31 ? semiconductor msm9810 ? semiconductor msm9810 8-channel mixing oki adpcm type voice synthesis lsi general description the msm9810 is an 8-channel mixing voice synthesis ic, to which up to 128 mbits of rom and/ or eprom storing voice data can directly be connected externally. the device is straight 8-bit pcm playback, non-linear 8-bit pcm playback, 4-bit adpcm playback, and 4-bit adpcm2 playback selectable and provides 2-channel stereo output and volume control. the msm9810 contains a 14-bit d/a converter and lpf. the msm9810 can easily configure a system by connecting voice data storage memory, power amplifier, and cpu externally. features ? non-linear 8-bit pcm / straight 8-bit pcm / 4-bit adpcm / 4-bit adpcm2 ? serial input or parallel input selectable ? phrase control table function ? 8-channel mixing function ? master clock frequency : 4.096 mhz ? sampling frequency : 4.0 khz, 5.3 khz, 6.4 khz, 8.0 khz, 10.6 khz, 12.8 khz, 16.0 khz, 21.2 khz, 25.6khz, 32.0khz ? maximum number of phrases : 256 ? output channel : l/r 2 channels ? built-in volume control function (for each output channel) ? built-in 14-bit d/a converter ? builtCin lowCpass filter : digital filter ? package : 64-pin plastic qfp(qfp64-p-1414-0.80-bk)(product name : MSM9810GS-BK) new e2d0020-39-93 this version: sep. 1999 previous version: may 1997
2/31 ? semiconductor msm9810 block diagram 8-bit latch 23-bit multiplexer cpu interface 8 adpcm synthesizer pcm synthesizer 16 8 14-bit dac rdao data controller 23-bit address counter timing controller dgnd dv dd osc d7/sd d6/si d5/so d4/ud d3/sr3 d2/sr2 d1/sr1 d0/sr0 rcs cs wr rd cmd serial ncr/ busy xt xt reset ra23 ra0 rd7 rd0 14-bit dac ldao 16*9 mpy 8 pan register roe agnd av dd test1 test2 test3 test4
3/31 ? semiconductor msm9810 pin configuration (top view) nc: no connection 64-pin plastic qfp 48 47 46 45 44 43 42 41 40 39 38 1 2 3 4 5 6 7 8 9 10 11 dgnd agnd test4 ldao rdao av dd dv dd rcs test1 test2 xt dv dd ra8 ra7 ra6 ra5 ra4 ra3 ra2 ra1 roe rd0 64 63 62 61 60 59 58 57 56 55 54 ra23 ra22 ra21 ra20 ra0 ra17 ra16 ra15 ra14 ra13 ra12 17 18 19 20 21 22 23 24 25 26 27 nc wr ncr/ busy cs d0/sr0 d1/sr1 d2/sr2 d3/sr3 d4/ud d5/so d6/si 12 xt 13 test3 14 serial 15 cmd 16 rd 28 d7/sd 29 reset 30 rd7 31 rd6 32 dgnd 37 rd1 36 rd2 35 rd3 34 rd4 33 rd5 53 ra11 52 ra10 51 ra9 50 ra19 49 ra18
4/31 ? semiconductor msm9810 pin descriptions symbol type ra23-ra0 o address pins for external memory. these pins become high impedance when rcs pin is "h". rd7-rd0 i data pin for external memory. pull-down resistors are internally connected to these pins. these pull-down resistors become valid when the rcs pin is "h", and become invalid when the rcs pin is "l". roe o output enable pin for external memory. cmd i select pin for command data or subcommand data. when this pin is "h", subcommand input is selected. when this pin is "l", command input is selected. a pull-up resistor is internally connected to this pin. rd i read pin for cpu interface. a pull-up resistor is internally connected to this pin. wr i write pin for cpu interface. a pull-up resistor is internally connected to this pin. cs i chip select pin for cpu interface. when cs is "h", wr signal is not entered in this ic. a pull-up resistor is internally connected to this pin. d7/sd i/o data bus pin for cpu interface when parallel input interface is selected. when wr is "l", this pin serves as data input pin. when rd is "l", this pin serves as channel status data output pin. when serial input interface is selected, this pin serves as serial data input pin. d6/si i/o data bus pin for cpu interface when parallel input interface is selected. when wr is "l", this pin serves as data input pin. when rd is "l", this pin serves as channel status output pin. when serial input interface is selected, this pin serves as serial clock input pin. d5/so i/o data bus pin for cpu interface when parallel input interface is selected. when wr is "l", this pin serves as data input pin. when rd is "l", this pin serves as channel status output pin. when serial input interface is selected, this pin serves as channel status output pin. description pin 40-47, 49-64 30, 31, 33-38 39 15 16 18 20 28 27 26 rcs i when this pin is "l", ra23 to ra0 and roe pins output address data and output enable signal. when this pin is "h", ra23 to ra0 and roe pins become high impedance. 8 serial i cpu interface select pin. when serial is "h", serial input interface is selected. when it is "l", parallel input interface is selected. 14
5/31 ? semiconductor msm9810 lda0 o left side d/a output pin. rda0 o right side d/a output pin. xt i crystal or ceramic oscillator connection pin. a feedback resistor of about 1m w is connected between xt and xt . if necessary, enter external clocks into this pin. xt o crystal or ceramic oscillator connection pin. when external clocks are used, leave this pin open. data bus pin for cpu interface when parallel input interface is selected. when wr is "l", this pin serves as data input pin. when rd is "l", this pin serves as channel status output pin. when serial input interface is selected, this pin serves as channel status output pin. when ud is "h", channels 8 thru 5 are output to sr3 thru sr0, respectively. when ud is "l", channels 4 thru 1 are output to sr3 thru sr0, respectively. d0/sr0 i/o d1/sr1 d2/sr2 d3/sr3 when this pin is "l" level, the lsi is initialized. at that time, oscillation stopsand d/a outputs go to gnd level. reset i ncr/ busy i channel status select pin. when this pin is "h", ncr signal is output. when it is "l", busy signal is output. test1 i pins for ic testing. apply "l" level to these pins. pull-down resistors are internally connected to these pins. dv dd power supply pin. dgnd gnd pin. 24 23 22 21 4 5 11 12 29 19 9 7, 48 1, 32 test2 av dd agnd 10 6 2 test3 13 symbol type description pin test4 3 i pins for ic testing. apply "l" level to these pins. d4/ud i/o data bus pin for cpu interface when parallel input interface is selected. when wr is "l", this pin serves as data input pin. when rd is "l", this pin serves as channel status output pin. when serial input interface is selected, this pin serves as channel status selecter pin. when ud is "h", channels 8 thru 5 are output to sr3 thru sr0, respectively. when ud is "l", channels 4 thru 1 are output to sr3 thru sr0, respectively. 25
6/31 ? semiconductor msm9810 absolute maximum ratings parameter symbol condition rating unit v dd v in t stg power supply voltage input voltage storage temperature ta=25c C0.3 to +7.0 C0.3 to v dd +0.3 C55 to +150 v v c (gnd=0 v) recommended operating conditions electrical characteristics dc characteristics parameter symbol condition range unit (gnd=0 v) power supply voltage v dd 3.5 to 5.5 v operating temperature t op C40 to +85 c master clock frequency f osc typ. mhz 4.096 min. max. 3.5 4.5 parameter symbol condition min. unit (dv dd =av dd =4.5 to 5.5 v, dgnd=agnd=0 v, ta=C40 to +85c) typ. max. high-level input voltage v ih 0.84 v dd v low-level input voltage v il v 0.16 v dd high-level output voltage v oh i oh = C1ma v dd C0.4 v low-level output voltage v ol i ol = 2ma v 0.4 high-level input current 1 i ih1 v ih = v dd m a 10 low-level input current 1 i il1 v il = gnd C10 m a operating current i dd ma 615 standby current i ds ta = C40c to +70c m a 15 output leakage current i lo 0 v out v dd C10 m a +10 ta = C40c to +85c m a 50 high-level input current 2 i ih2 applied to pins with internal pull-down resistor 30 m a 300 low-level input current 2 i il2 applied to pins with internal pull-up resistor C300 m a C30
7/31 ? semiconductor msm9810 ac characteristics parameter symbol min. unit f duty t w( rst ) t d( rst ) t cr t rr t dre t drf t dw t cw t ww t dws t dwh t wws t cc t sds t ssd t w(sck) master clock duty cycle reset input pulse width reset delay time from raising of power supply set up and hold time of cs for rd , at serial input i/f rd pulse width output data valid time after fall of rd data float time after rise of rd setup and hold time of cmd for wr setup and hold time of cs for wr wr pulse width data setup time before rise of wr data hold time after rise of wr wr - wr pulse interval cs - cs pulse interval serial data setup time serial data hold time serial clock pulse width 40 1 0 30 200 50 30 200 100 30 160 100 30 30 200 % m s m s ns ns ns ns ns ns ns ns ns ns ns ns ns ns (v dd =3.5 to 5.5v, gnd=0 v, ta=C40 to +85c) typ. max. 50 10 60 100 50
8/31 ? semiconductor msm9810 timing diagrams power-on timing v dd reset (i) t w( rst ) t d( rst ) data read timing, parallel input t dre t rr data out valid rd (i) d7 - d0(i/o) t drf data write timing, parallel input t dws t ww t cw data stable cs (i) wr (i) d7 - d0(i) t dwh t cw data stable t dw cmd (i) t wss t dw
9/31 ? semiconductor msm9810 data write timing, serial input data read timing, serial input cs (i) wr (i) sd(i) cmd (i) si(i) t w(sck) t cw t dw t cc t sds t ssd t dw t cw cs (i) rd (i) so(i) si(i) t cr t cr
10/31 ? semiconductor msm9810 command input timing in parallel input interface ? the phrase address "25h" data is played back via channel 1 ? the command options selected are 1/2 v dd (p-p) sound volume for all channels, use of an internal low pass filter, secondary digital filter processing, and voltage follower output. cs cmd wr d7-d0 09h 18h 25h 28h 01h 00h set option data subcommand (opt) transfer option data command (opt) set address data subcommand (fadr) transfer address data to channel 1 command (fadr) set start flag to channel 1 subcommand (start) start flag execution (channel 1) command (start) channel 1 voice systhesis starts see 9. "command data and subcommand data" for further information on commands and subcommands. command input timing in serial input interface ? phrase address "08h" to channel 1 data and phrase address "02h" to channel 2 data are played back simultaneously. ? the command option is default setting. cs cmd wr sd set address "01h" data subcommand (fadr) si (08h) transfer address data to channel 1 command (fadr) (28h) set address "02h" data subcommand (fadr) (02h) transfer address data to channel 2 (fadr) (29h) set start flag to channel 1 and channel 2 subcommand (start) (03h) start flag execution (channel 1 and channel 2) command (start) (00h) channel 1 and channel 2 voice synthesis starts see 3-1 "channel synthesis" for further information on channel synthesis.
11/31 ? semiconductor msm9810 functional description 1. user specification phrase a maximum of 256 phrases can be selected with user specification phrases. user specification phrases are stored in the voice management area of external rom. merely by selecting a phrase, sampling frequency and the start and stop address of voice are controlled. the msm9810 can directly specify a start address or stop address externally without using user specification phrases. only channels 1 to 4 can be used for directly specifying a start address or stop address externally. 2. playback time and memory capacity table 2.1 shows the configuration of external rom. the capacity of an actual voice data rom is different from the indicated rom capacity. table 2.1 rom configuration address management area (16kbits) voice data area or phrase controll table area playback time depends on external memory capacity, sampling frequency, and the playback system. the relationship is shown below. for example, when one 8 mbits rom is used with a 16 khz sampling frequency in a 4-bit adpcm type, the playback time becomes as follows. 1.024 (8192C16) kbits playback time= 16 (khz) 4 (bit) =131 seconds . . in the above equation, the playback time when the phrase controll table function is not used is shown. 1.024 (memory capacity C16) (kbits) playback time = sampling frequency (khz) bit length (seconds) (bit length is adpcm, adpcm2...4bits, pcm...8bits)
12/31 ? semiconductor msm9810 channel 1 channel 2 channel 3 f s =16.0khz f s =32.0khz (valid) f s =25.6 khz (invalid, playback with f s =32.0 khz) figure 3.1 when channel 3 is played back using a different sampling frequency while channel 1 and 2 are being played back. channel 1 channel 2 f s =16.0khz f s =25.6khz (valid) channel 1 ends figure 3.2 channel 2 is played back using different sampling frequency after channel 1 was played back 3. sampling frequency sampling frequency can be specified for each phrase in the address management area of external rom. for the sampling frequency, the following ten types can be selected when voice data is created. 4.0 khz, 8.0 khz, 16.0 khz, 32.0 khz (group 1) 5.3 khz, 10.6 khz, 21.3 khz (group 2) 6.4 khz, 12.8 khz, 25.6 khz (group 3) 3-1 channel synthesis when the internal lpfs are used, use of a different sampling frequency than the selected sampling frequency groupx is not permitted for channel synthesis. the internal lpf can be used by selecting "use of internal lpf" with the opt command (see 9- 4 "opt command"). when the internal lpfs are not used, channel synthesis can be made using a different sampling frequency as shown below. when channels are synthesized, the sampling frequency group of the first vocalizing channel (one of the above group 1 to 3) is selected. if the sampling frequency group other than the selected group is used for channel synthesis, playback becomes fast or slow. figure 3.1 and figure 3.2 show examples.
13/31 ? semiconductor msm9810 when multiple channels are played back simultaneously, the sampling frequency group of the smallest channel has priority. channel 3 channel 4 channel 8 f s =8.0 khz (sampling frequency group of channel 3 is selected.) f s =25.6 khz (invalid, playback with fs=32.0 khz) f s =32.0 khz (valid) figure 3.3 when channel 3, 4 and 8 are played back simultaneously.
14/31 ? semiconductor msm9810 4. reset function when l level is input to the reset pin, lsi enters power down state, stopping oscillation and minimizing current consumption. at the same time, the control circuit is reset and initialized. power down status is as follows. (1) oscillation stops and all internal circuits stop operation. (2) current consumption is minimized. when an external clock is in use, input l level to the xt pin in power down status, so that current does not flow into the oscillation circuit. (3) when a crystal oscillator is in use, l level is output to the xt pin. (4) gnd level is output to the d/a output pin (ldao, rdao). be certain to input l level to the reset pin when power is turned on. 5. playback system this lsi has four types of playback systems to support various voices: 4-bit adpcm, 4-bit adpcm2, 8-bit straight pcm, and 8-bit non-linear pcm. 5-1 4-bit adpcm adpcm (adaptive differential pulse code modulation) system adaptively changes the quantization width and encodes 4-bit data for each sampling, so that the follow up to a voice waveform improves. adpcm data is converted by using an analysis tool. for a human voice, animal voice and natural sounds, it is better to use the adpcm system because the voice data capacity decreases. 5-2 4-bit adpcm2 in 4-bit adpcm 2, the follow-up characteristics to a voice waveform is even better than the 4-bit adpcm. this system is compatible only with msm9841/msm9842. adpcm2 data is converted by using an analysis tool. 5-3 8-bit straight pcm the follow-up characteristics to a voice waveform to all voice areas is the best of all four types. this system is suitable for sound effects, where waveforms change rapidly, and for pulse shape waveforms. 5-4 8-bit non-linear pcm this system plays back the center of a waveform to be a voice quality equivalent to 10 bits. this system is to improve the voice quality of low volume sounds. 8-bit non-linear pcm data is converted by using an analysis tool.
15/31 ? semiconductor msm9810 6. voice output the voice is output as 14-bit d/a converter output in stereo (ldao, rdao), with l/r in phase. the output amplitude from the d/a converter has a maximum (16383/16384) v dd , and the output waveform has a step waveform synchronized with sampling frequency. the command option has been set for voice output. d/a converter output and voltage follower output can be selected by option. 7. microcomputer interface there are two types of interface with microcomputer; one is parallel input interface and the other is serial input interface. either of the two interfaces can be selected with the serial pin. the parallel input interface is selected when serial is at a "l" level. the serial input interface is selected when serial is at "h" level. when the parallel input interface is selected, the msm9810 is controlled by nine different commands using d7 to d0 (data buses) and control pins cmd , cs , wr , and rd . the internal status register is used to check the status of the lsi. when the serial input interface is selected, the msm9810 is controlled by nine different commands using serial data input pin sd and serial clock input pin si, and control pins cmd , cs , wr , and rd . the so, sr3, sr2, sr1 and sr0 pins are used to check the status of the lsi. the pins 21 to 28 function differently according to whether the parallel input interface is selected or the serial input interface is selected. the table 7-1 shows the pin names. see "pin descriptions" for their functions. table 7-1 difference between parallel input and serial input pins 28 d0 sr0 27 d1 sr1 26 d2 sr2 25 d3 sr3 24 d4 ud 23 d5 so 22 d6 si 21 d7 sd pin number parallel input serial input
16/31 ? semiconductor msm9810 7-1 parallel input interface in the parallel input interface, the microcomputer controls the lsi via 13 pins of reset , cmd , cs , wr , rd and d7-d0. command and subcommand data are input from d7-d0 by control of cmd , cs and wr , as shown in figure 7-1, and the status is output from d7-d0 by control of rd , as shown in figure 7-2. figure 7-1 parallel input write cycle timing t dre t rr data out valid rd (i) d7 - d0(i/o) t drf figure 7-2 parallel input read cycle timing t dws t ww t cw data stable cs (i) wr (i) d7 - d0(i) t dwh t cw data stable t dw cmd (i) t wss t dw
17/31 ? semiconductor msm9810 7-2 serial input interface in the serial input interface, the microcomputer controls the lsi via 8 pins of reset , cmd , cs , wr , rd , sd, si and so. in parallel input, data is output from d7-d0, but in serial input, data for d7-d0 is input in serial from msb using sd and si. figure 7-3 shows the command and subcommand input timing, and figure 7-4 shows read timing. figure 7-3 serial input write cycle timing cs (i) rd (i) so(i) si(i) t cr t cr figure 7-4 serial input read cycle timing cs (i) wr (i) sd(i) cmd (i) si(i) t w(sck) t cw t dw t cc t sds t ssd t dw t cw
18/31 ? semiconductor msm9810 8. channel status the channel status is output from d7-d0. there are two types of signals to be output as channel status: busy n (n = 1-8) signals and ncrn signals. these two types are selected by the ncr/ busy pin. when the ncr/ busy pin is at h level, ncr is output, and when at l level, busy is output. the ncr signal is the command and subcommand input status signal (next command request) of each channel, and the wr signal input is enabled at h level. the busy signal outputs l level while each channel is executing voice synthesis. each channel status signal is output from d7-d0 pins in parallel input interface, and from d5/ s0 pins and d3/sr3-d0/sr0 pins in serial input interface by control of rd . table 8-1 shows the relationship between d7-d0 and channels, and figure 8-1 shows read timing in the parallel input interface. table 8-1 correspondence between d7-d0 and channels data bus corresponding channel d7 d6 d5 d4 d3 d2 d1 d0 ch8 ch7 ch6 ch5 ch4 ch3 ch2 ch1 t dre t rr data out valid rd (i) d7 - d0(i/o) t drf figure 8-1 read timing in parallel input interface in serial input interface, serial output from d5/so pins by control of cs and rd , and d3/sr3- d0/sr0 parallel output (constantly output) can be selected. for serial output from d5/so pin, d7-d0, shown in table 8-1, are output from msb in serial at the rise of the si pin when the rd pin is at l level. figure 8-2 shows this timing.
19/31 ? semiconductor msm9810 si(i) d7 so(o) rd (i) d6 d5 d4 d3 d2 d1 d0 cs ud sr3 ch8 ch4 sr2 ch7 ch3 sr1 ch6 ch2 sr0 ch5 ch1 ch8-5 ch4-1 figure 8-2 read timing in serial input interface in serial input interface, status signals are constantly output from d3/sr3 to d0/sr0 pins. selection of ncr and busy is controlled by the ncr/ busy pin. since there are only four d3/ sr3 to d0/sr0 pins, 8 channels of status signals are selected by control of the d4/ud pin. table 8-2 shows the relationship between d4/ud pin and d3/sr3 to d0/sr0 pins. table 8-2 correspondence between d4/ud and d3/sr3 to d0/sr0 channel 4 channel 3 channel 2 channel 1 d3/sr3 d2/sr2 d1/sr1 d0/sr0 d4/ud="l" channel 8 channel 7 channel 6 channel 5 d4/ud="h"
20/31 ? semiconductor msm9810 9. command data and subcommand data in parallel input, command data and subcommand data are controlled by the data bus of d7-d0 pins and by cmd , cs and wr control pins. in serial input, command data and subcommand data are controlled by data input/output of sd, si and so pins and by cmd , cs and wr control pins. this lsi reads data to the internal register (tmp register) by executing the subcommand, and transfers data of the tmp register to the register of each command function and executes data by executing the command. a subcommand and command are distinguished by the level of the cmd pin. h level indicates a subcommand, and l level indicates a command. table 9-1 shows the command data list, table 9-2 shows details of c2-c0 of table 9-1 (channel specification), and table 9-3 shows subcommand data list corresponding to command data. table 9-1 command data list (x - - - dont care. for c1, c2 and c0, see table 9-2.) d7 d6 d5 d4 d3 d2 d1 d0 function starts playback of the channel for which data stored in the register is "h". stops playback of channel for which data stored in the register is "h". repeats playback of channel for which data stored in the regiter is "h". changes option by command. inserts silence corresponding to the length of data stored in the register. transfers phrase address stored in the register to the phrase register of the specified channel. this command internally transfers the 7-byte start and stop address, the value of sampling frequency and playback algorithm which are stored in the tmp register. changes volume of the specified channel to the volume of data stored in the register. changes volume of the right and left d/a converter to volume of data stored in the register. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 1 1 0 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 start stop loop opt muon fadr dadr cvol pan 1 2 3 4 5 6 7 8 9 x x x x c2 c2 c2 c2 c2 x x x x c1 c1 c1 c1 c1 x x x x c0 c0 c0 c0 c0
21/31 ? semiconductor msm9810 c2 channel control channel 1 channel 2 channel 3 channel 4 channel 5 channel 6 channel 7 channel 8 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 0 0 0 1 1 1 1 c1 c0 table 9-2 channel specification list subcommand funciton channel setting channel setting channel setting option setting silence time setting phrase address setting (1st byte) address setting (2nd byte) (3nd byte) (4nd byte) (5nd byte) (6nd byte) (7nd byte) volume setting volume setting start stop loop opt muon fadr dadr cvol pan ch8 ch8 ch8 0 m7 fa7 sa23 sa15 sa7 st23 st15 st7 s3 x l3 ch7 ch7 ch7 0 m6 fa6 sa22 sa14 sa6 st22 st14 st6 s2 x l2 ch6 ch6 ch6 0 m5 fa5 sa21 sa13 sa5 st21 st13 st5 s1 x l1 ch5 ch5 ch5 o4 m4 fa4 sa20 sa12 sa4 st20 st12 st4 s0 x l0 ch4 ch4 ch4 o3 m3 fa3 sa19 sa11 sa3 st19 st11 st3 p1 v3 r3 ch3 ch3 ch3 o2 m2 fa2 sa18 sa10 sa2 st18 st10 st2 p0 v2 r2 ch2 ch2 ch2 o1 m1 fa1 sa17 sa9 sa1 st17 st9 st1 x v1 r1 ch1 ch1 ch1 o0 m0 fa0 sa16 sa8 sa0 st16 st8 st0 x v0 r0 command d7 d6 d5 d4 d3 d2 d1 d0 (x - - - dont care.) table 9-3 subcommand data list
22/31 ? semiconductor msm9810 9-1 start command the start command starts voice synthesis of the channel corresponding to the data stored in the tmp register. table 9-4 shows the correspondence between data input (d7-d0) and channels. for serial input, the sequence of d7-d0 and serial input data is shown in figure 8-2. table 9-4 correspondence between d7-d0 and channels data bus corresponding channel d7 d6 d5 d4 d3 d2 d1 d0 ch8 ch7 ch6 ch5 ch4 ch3 ch2 ch1 when the start command is input, data stored in the tmp register is set at the start register, and voice synthesis processing starts. for example, when all 1 is written from the data bus to the tmp register and the start command is input, all channels start voice synthesis simultaneously. input the start command when the status signal (ncr or busy ) of the channel to be started is at h. when ncr is l, input is disabled. figure 9-1 shows the flowchart when the start command is input. subcommand input rd pulse input ncrn="h" start command input no yes ncrn corresponding to each channel is output to d7-d0 check that d7-d0 corresponding to the channel to start voice synthesis is "h". after setting "h" to d7-d0 corresponding to the channel to start voice synthesis from the data bus, input the wr pulse. (set cmd to "h".) figure 9-1 start command input flow 9-2 stop command the stop command stops voice synthesis processing of the channel corresponding to data stored in the tmp register. table 9-5 shows the correspondence between data input (d7-d0) and channels. table 9-5 correspondence between d7-d0 and channels data bus corresponding channel d7 d6 d5 d4 d3 d2 d1 d0 ch8 ch7 ch6 ch5 ch4 ch3 ch2 ch1
23/31 ? semiconductor msm9810 when the stop command is input, the lsi stops processing of voice synthesis of the corresponding channel at the rise of the wr pulse. when voice synthesis stops, the pcm value of that channel is cleared to 1/2 v dd , and the ncr and busy channel status signals become h. when h has been set at the start register, the start register is cleared to l. 9-3 loop command the loop command repeats a playback of voice synthesis of the channel corresponding to data stored in the tmp registers. table 9-6 shows the correspondence between data input (d7-d0) and channels. table 9-6 correspondence between d7-d0 and channels data bus corresponding channel d7 d6 d5 d4 d3 d2 d1 d0 ch8 ch7 ch6 ch5 ch4 ch3 ch2 ch1 when the loop command is input, the lsi writes data of the tmp register to the loop register at rise of wr pulse, and repeats a playback of the channel where h is set. once h is set at the loop register, playback continues until l is set from the outside. if the phrase controll table function has been used for a phrase address, the edited voice is repeatedly played back. to end a repeating playback, set the register of the channel to end the repeat to l using the loop command again. when the register is set to l, repeating ends with the current playback phrase. if the start register has been set to continue the playback of another phrase, another phrase is played back continuously after repeating ends. figure 9-2 shows an example. channel 1 loop start 1 phrase 1 phrase 1 phrase 2 phrase loop end figure 9-2 loop command execution example
24/31 ? semiconductor msm9810 9-4 opt command the opt command changes the setting inside the lsi according to data stored in the tmp register. table 9-7 shows the correspondence between data input (d7 to d0) and options. table 9-7 correspondence between d7-d0 and options (input l to d7-d5.) when the opt command is input, the lsi changes the option at the rising edge of the wr pulse. when power is turned on, or when the reset pulse is input, the registers corresponding to d3- d0 have been set to l. if the option is changed when voice synthesis is in execution, voice quality may change. oki recommends to set the option after power is turned on or after reset is input. 1) volume option volume can be set by the cvol command and pan command, but a waveform may be clamped when channel synthesis is executed. if the cvol command and pan command are used to prevent a waveform from being clamped, the number of steps used for actual volume decreases, and effective voice synthesis may not be performed. if it is known that a waveform will be clamped, this option can set the volume of all channels to low, so that the number of steps of the volume can be utilized to the maximum level. 2) digital filter processing this lsi has a built-in oversampling circuit for digital filter processing. this oversampling system evenly generates four times more points of sampling frequencies. when power is turned on or if the reset pulse is input, those pulses have been set to pass through the oversampling circuit. if digital filter processing is unnecessary, change this setting by the opt command. option sets volume of all channels to v dd(p-p). sets volume of all channels to 1/2v dd(p-p). sets volume of all channels to 1/4v dd(p-p). sets volume of all channels to 1/8v dd(p-p). d4 0 0 1 1 d3 0 1 0 1 option uses internal lpf. does not use internal lpf. d2 0 1 option outputs directly from the d/a converter. outputs via a voltage follower. d0 0 1 option executes 2nd digital filter processing. executes 1st digital filter processing. d1 0 1
25/31 ? semiconductor msm9810 3) analog output when power is turned on, it has been set that the output of the d/a converter is output via the voltage follower. to change this setting, use the opt command. the output impedance of analog signals being output via the voltage follower is about 500 w . the output impedance of analog signals directly output from the d/a converter is about 30k w . 9-5 muon command the muon command inserts silence into the specified channel at the rise of the wr pulse. the length of silence is according to the size of data stored in the tmp register. the length of silence data is input in advance, before executing the muon command. silence length can be set for 255 steps, 4 ms to 1020 ms, in 4 ms intervals. silence time can be set as follows. t mu = (2 7 (d7) + 2 6 (d6) + 2 5 (d5) + 2 4 (d4) + 2 3 (d3) + 2 2 (d2) + 2 1 (d1) + 2 0 (d0) 4.096 ms the operation of the muon command is similar to the start command to start voice synthesis. when the muon command is input, h is set to the start register, and ncr and busy signals becomes l. if the muon command is input when voice synthesis is in execution, silence time is inserted after voice synthesis ends. input the muon command when the status signal (ncr or busy ) of the channel to start voice synthesis is at h. when ncr is l, input is disabled. figure 9-3 shows a flow chart example when the muon command is input. subcommand input rd pulse input ncrn="h" muon command input no yes ncrn corresponding to each channel is output to d7-d0. check that d7-d0 corresponding to the channel to insert silence is "h". after setting time of inserting silence from the data bus, input wr pulse (set cmd to "h"). specify channel by silence command. figure 9-3 muon command input flow
26/31 ? semiconductor msm9810 9-6 fadr command the fadr command transfers data stored in the tmp register to the phrase address register of the corresponding channel at the rise of the wr pulse. for the phrase address, the user specification phrases have been set by an analysis tool, and the playback system, sampling frequency and start and stop address of voice data have been registered to the address management area. when the phrase address is set and the start command is input, the lsi reads data of the address management area, and starts voice synthesis. since the phrase address is set by d7-d0, a maximum of 256 phrases can be set. the edit function can be used for phrase addresses, so not only one phrase but combinations with other phrases are possible. 9-7 dadr command the dadr command transfers data stored in the tmp (1-7) register to the start and stop address register of the corresponding channel at the rise of the wr pulse. for the direct address, the playback system, sampling frequency, and start and stop address of voice data is directly input from the microcomputer without using the address management area. direct address playback system is available with channel 1 to 4, and not available with channel 5 to 8. since the phrases that can be set at a phrase address is a maximum of 256, if voice data exceeds 256 phrases, use this command. data on the playback system, sampling frequency, and start and stop address of voice data is displayed when an analysis tool is used. data on the playback system, sampling frequency, and start and stop address of voice data is input to the tmp1 to tmp7 registers divided in 7 steps, unlike the data input of other commands. figure 9-4 shows the input method. figure 9-4 dadr input timing cs (i) wr (i) d7 - d0(i) cmd (i) stores tmp1 register data executes command stores tmp2 register data stores tmp3 register data stores tmp4 register data stores tmp5 register data stores tmp6 register data stores tmp7 register data
27/31 ? semiconductor msm9810 as figure 9-4 shows, cs and wr pulses are input 7 times when cmd is in h status, to input data to the tmp1 to tmp7 registers. the lsi increments the registers at the rise of the wr pulse when cmd is h. cmd must not be l while inputting data. when cmd becomes l while inputting data, the increment of registers is cleared. table 9-8 shows the configuration of data to be input to tmp1 to tmp7 registers. table 9-8 tmp register data configuration tmp1 register tmp2 register tmp3 register tmp4 register tmp5 register tmp6 register tmp7 register d7 d6 d5 d4 d3 d2 d1 d0 a23 a22 a21 a20 a19 a18 a17 a16 a15 a14 a13 a12 a11 a10 a9 a8 a7 a6 a5 a4 a3 a2 a1 a0 t23 t22 t21 t20 t19 t18 t17 t16 t15 t14 t13 t12 t11 t10 t9 t8 t7 t6 t5 t4 t3 t2 t1 t0 s3 s2 s1 s0 p1 p0 0 0 input the start address of voice data to tmp1 to tmp3 registers. input the stop address of voice data to tmp4 to tmp6 registers. input the playback system and sampling frequency to the tmp7 register. table 9-9 shows the input data configuration of the playback system and sampling frequency. table 9-9 data configuration of playback system and sampling frequency s1 0 0 1 1 0 1 1 0 1 1 p1 0 0 1 1 sampling frequency 4.0khz sampling frequency 8.0khz sampling frequency 16.0khz sampling frequency 32.0khz sampling frequency 6.4khz sampling frequency 12.8khz sampling frequency 25.6khz sampling frequency 5.3khz sampling frequency 10.6khz sampling frequency 21.3khz playback system: 4-bit adpcm playback system: 4-bit adpcm2 playback system: 8-bit non-linearpcm playback system: 8-bit straight pcm s0 0 1 0 1 1 0 1 1 0 1 p0 0 1 0 1 s2 0 0 0 0 1 1 1 0 0 0 s3 0 0 0 0 0 0 0 1 1 1
28/31 ? semiconductor msm9810 9-8 cvol command the cvol command adjusts the volume of the specified channel to the volume which corresponds to the size of data stored in the tmp register at the rise of the wr pulse. volume can be set in 16 steps up to -30 db in -2db step units. set data as shown in table 9-10. table 9-10 volume setting data configuration d2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 d3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 d1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0db C2db C4db C6db C8db C10db C12db C14db C16db C18db C20db C22db C24db C26db C28db C30db volume (db) d0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 when power is turned on and the reset pulse is input, all channels are set to 0db. (d7-d4 : don't care)
29/31 ? semiconductor msm9810 9-9 pan command the pan command adjusts the volume of the specified channel for the left and right respectively, to the volume which corresponds to the size of data stored in the tmp register at the rise of the wr pulse. this command enables stereo output. when volume is controlled by the opt command and cvol command, volume to be output is the volume stored in rom multiplied by volume set by the opt command, cvol command, and pan command respectively. this volume is output from ldao and rdao. volume can be set in 16 steps up to C30 db in C2 db step units. set data as shown in table 9-11. table 9-11 pan data configuration d5 d1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0db C2db C4db C6db C8db C10db C12db C14db C16db C18db C20db C22db C24db C26db C28db C30db d4 d0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 d6 d2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 d7 d3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 volume at right side volume at left side
30/31 ? semiconductor msm9810 application circuits 19 8 mcu m9810 ra20 ra19 sd si so cmd cs wr rd serial ncr/ busy rcs test1 test2 test3 ra18-0 rd7-0 roe ldao ce a18-0 d7-0 ce a18-0 d7-0 ce a18-0 d7-0 ce a18-0 d7-0 oe oe oe oe 2b 2a y1 y0 y3 y2 2g 1g 74hc139 m274000 m274000 m274000 m274000 xt xt amp amp application circuit example when four 4mbit eproms are connected (serial interface) rdao reset
31/31 ? semiconductor msm9810 (unit : mm) package dimensions notes for mounting the surface mount type package the sop, qfp, tsop, soj, qfj (plcc), shp and bga are surface mount type packages, which are very susceptible to heat in reflow mounting and humidity absorbed in storage. therefore, before you perform reflow mounting, contact okis responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). qfp64-p-1414-0.80-bk package material lead frame material pin treatment solder plate thickness package weight (g) epoxy resin 42 alloy solder plating 5 m m or more 0.87 typ. mirror finish
notice 1. the information contained herein can change without notice owing to product and/or technical improvements. before using the product, please make sure that the information being referred to is up-to-date. 2. the outline of action and examples for application circuits described herein have been chosen as an explanation for the standard action and performance of the product. when planning to use the product, please ensure that the external conditions are reflected in the actual circuit, assembly, and program designs. 3. when designing your product, please use our product below the specified maximum ratings and within the specified operating ranges including, but not limited to, operating voltage, power dissipation, and operating temperature. 4. oki assumes no responsibility or liability whatsoever for any failure or unusual or unexpected operation resulting from misuse, neglect, improper installation, repair, alteration or accident, improper handling, or unusual physical or electrical stress including, but not limited to, exposure to parameters beyond the specified maximum ratings or operation outside the specified operating range. 5. neither indemnity against nor license of a third partys industrial and intellectual property right, etc. is granted by us in connection with the use of the product and/or the information and drawings contained herein. no responsibility is assumed by us for any infringement of a third partys right which may result from the use thereof. 6. the products listed in this document are intended for use in general electronics equipment for commercial applications (e.g., office automation, communication equipment, measurement equipment, consumer electronics, etc.). these products are not authorized for use in any system or application that requires special or enhanced quality and reliability characteristics nor in any system or application where the failure of such system or application may result in the loss or damage of property, or death or injury to humans. such applications include, but are not limited to, traffic and automotive equipment, safety devices, aerospace equipment, nuclear power control, medical equipment, and life-support systems. 7. certain products in this document may need government approval before they can be exported to particular countries. the purchaser assumes the responsibility of determining the legality of export of these products and will take appropriate and necessary steps at their own expense for these. 8. no part of the contents contained herein may be reprinted or reproduced without our prior permission. 9. ms-dos is a registered trademark of microsoft corporation. copyright 1999 oki electric industry co., ltd. printed in japan e2y0002-29-62

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