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utc 6610 cmos utc unisonic technologies co. ltd 1 qw-r502-011,a frequency and clock display driver the utc 6610 is a frequency and clock display driver used for displaying fm/am radio frequency or a 12 hour alarm clock. by using cmos technology, it consumes very low power in clock display mode. features * fm input with pre-scalar for radio frequency up to 150 mhz * am input for radio frequency up to 30 mhz * 3 common, 13 segment, 1/3 bias lcd display drivers which supports 4 digits lcd display * on chip oscillator for external 32.768khz crystal * 10.7 mhz / 70 khz i.f. frequency offset for fm signal and 455khz i.f. frequency offset for am signal * internal real time clock in 12 hour display mode * selectable clock or frequency display * 1.8v to 3.3v supply voltage qfp-48-12 12-0.8 block diagram m u x timming ctl clock amp amp prescaler div.by 10 if freq offset counter lcd driver av dd v dd com1 com2 com3 seg0 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 seg11 seg12 av ss v ss test test clk osc out osc in pr set min set al disp al on/off al-out al-sig rst clkfreq-sel v lcd range if70k am/fm-sel am in fm in
utc 6610 cmos utc unisonic technologies co. ltd 2 qw-r502-011,a pad assignment qfp-48- 12 12-0.8 package 36 35 34 33 32 31 30 29 28 27 26 25 1 2 3 4 5 6 7 8 9 10 11 12 37 38 39 40 41 42 43 44 45 46 47 48 24 23 22 21 20 19 18 17 16 15 14 13 range if70k nc nc al-out al-sig v ss clkfreq-sel nc hr-set min-set nc al disp al on/off test test clk rst v ss v lcd oscout osc in seg11 seg12 nc nc seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 nc nc seg0 com1 com2 com3 v ss v dd am in fm in av ss av dd am/fm-sel 6610 qfp-44- 10 10-.8 package 36 33 32 31 30 29 28 27 26 25 1 2 3 4 5 6 7 8 9 10 11 12 37 38 39 40 41 42 43 44 24 23 22 21 20 19 18 17 16 15 14 13 range if70k nc al-out al-sig v ss clkfreq-sel nc hr-set min-set nc al disp al on/off test test clk rst v lcd oscout osc in seg11 seg12 nc seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 nc seg0 com1 com2 com3 v dd am in fm in av ss av dd am/fm-sel 34 35 nc 6610
utc 6610 cmos utc unisonic technologies co. ltd 3 qw-r502-011,a cob package,qfp type 36 33 32 31 30 29 28 27 26 25 1 2 3 4 5 6 7 8 9 10 11 12 37 39 40 24 23 22 21 20 19 18 17 16 15 14 13 range if70k nc al-out al-sig v ss clkfreq-sel nc hr-set min-set al disp al on/off test test clk rst v lcd oscout osc in seg11 seg12 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 seg0 com1 com2 com3 v dd am in fm in av ss av dd am/fm-sel 34 35 38 6610 cob package sop type range if70k al-out al-sig clkfreq-sel nc hr-set min-set al disp al on/off oscout osc in seg11 seg12 seg0 com1 com2 com3 v dd am in fm in v ss am/fm-sel 1 2 3 4 5 6 7 8 9 10 11 12 18 17 16 15 14 13 36 35 34 33 32 31 30 29 28 27 26 25 19 20 21 22 23 24 6610 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 nc rst v lcd
utc 6610 cmos utc unisonic technologies co. ltd 4 qw-r502-011,a absolute maximum ratings ( ta=25 c ,unless otherwise specified ) parameter symbol rating unit supply voltage v dd 0.5 ~ 7.0 v input voltage v in -0.5 ~ v dd +0.5 v output voltage v out -0.5 ~ v dd +0.5 v storage temperature t stg -40 ~ +125 c esd protection -2 ~ + 2 kv electrical characteristics (ta=25 c, v dd = 3,unless otherwise specified) parameter symbol test conditions min typ max unit supply voltage v dd i dd1 frequency mode 1.8 3.6 ma vdd supply current consumption i dd2 clock mode 55 110 a internal lcd reference voltage v lcd respect to vdd 2 2.25 2.5 v lcd drive current consumption i lcd all segments on 5 a lcd frame frequency f lcd 32 hz oscillator frequency f osc 32.768 khz fm input frequency f fm v in = 0.3 v pp 11.0 150 mhz am input frequency f am v in = 0.3 v pp 0.5 30 mhz fm input impedance r in(fm) f fm =120mhz 150 ? am input impedance r in(am) f am =12mhz 2.0 k ? open drain low level voltage v ol oc v dd =3v, isink =10ma 0.5 v low level input voltage v il 0.3v dd v high level input voltage v ih 0.7v dd v low level output voltage v ol v dd =3v, isink=4ma 0.4 v high level output voltage v oh v dd =3v, i source =-4ma v dd -0.5 v schmitt trigger positive threshold vt+ v dd =3v 2.3 2.4 v schmitt trigger negative threshold vt- v dd =3v 0.6 0.9 v schmitt trigger input resistance r in+/- pull-up or pull-down 75 k ? reset pin pull-up resistance r in-up 750 k ? pad description pad no. symbol i/o description 1 vdd supply voltage 2 ~ 4 com1 ~ com3 ol lcd common drive signal for driving lcd display 5 ~ 17 seg0 ~ seg12 ol lcd segment drive signal for driving lcd display 18 osci i 32.768 khz crystal oscillator input pin 19 osco o 32.768 khz crystal oscillator output pin 20 v lcd o lcd supply voltage. connects a 0.1 f capacitor between this pin and v ss 21 rst isu active low power-on reset with pull-up resistor of approx.750k ? 22 testclk isd for testing use only with internal pull-down 23 test isd when high, the chip will enter test mode 24 al-on/off isu alarm function on or off in toggle mode. internal pull up input 25 al-disp isu when pressed, will display the alarm time. internal pull up input 26 min-set isu minute setting for time and alarm(together with al-disp). internal pull up. 27 hr-set isu hour setting for time and alarm(together with al-disp). internal pull up. 28 nc no connection 29 clkfreq-sel isd clock or frequency display mode. internal pull-down input. when low, clock will be displayed. when high, radio frequency will be displayed. 30 v ss ground pin 31 al-sig od10 open drain alarm signal output, active low.
utc 6610 cmos utc unisonic technologies co. ltd 5 qw-r502-011,a 32 al-out o4 alarm output at 1khz with 0.2 sec on and 0.2 sec off, push-pull output. 33 if70k isd select if offset in fm mode. h:70khz, l:10.7khz pad no. symbol i/o description 34 nc no connection 35 range isu for frequency counting mode only, range = h or l, gate time = 0.1s 36 am/fm-sel isu am/fm mode selection. high for am and low for fm, internal pull-up. 37 av dd analog supply voltage 38 am in am signal input, 0.3v peak to peak, 500khz to 30mhz. 39 av ss analog ground pin. 40 fm in fm signal input, 0.3v peak to peak, 11-150mhz. note: i : oscillator input pad o: oscillator output pad isu: schmitt trigger input pad with pull-up d10: open drain with 10ma output driving isd: schmitt trigger input pad with pull-down o4: push-pull output pad with 4ma driving ol: lcd segment and common output pad functional description 1. radio frequency display operation (dts mode): the fm and am local oscillator output generated from the external rf receiver enters a high gain input comparator through the fm in and the am in pins respectively. the fm signal then routes through a divide-by- 10 dynamic pre-scalar. depending on the state of the am/fm-sel pin, the fm and am signal will be selected and enters the if frequency offset block. depending on the fm/am selection, 10.7mhz/70khz or 455khz i.f.frequency will be subtracted or added from the input signal. lcd display range: mode range display range (on lcd) step resoultion fm h l 11.00 mhz to 99.99 mhz 11.00 mhz to 149.9 khz 10khz 100khz 1khz 10khz am h l 500 khz to 9999 khz 0.5 mhz to 29.99 mhz 1khz 10khz 100khz 1khz note:1 when counter frequency overflow, msb will not be displayed. if offset for different application: if70k am/fm-sel if offset operation 0 0 +10.7mhz display fm input frequency 10.7mhz 0 1 +455khz display am input frequency 455khz 1 0 -70 khz* display fm input frequency +70khz 1 1 +455khz display am input frequency 455khz * suitable to use with tda7088. 2. clock function: 1) the clock will be advanced in the following flow: pm 12:00 pm 11:59 am 12:00 11:59 2) the [:] sign is the second indicator and will blink at a rate of 2hz 3) time setting: -- pressing the keys combination of [time set] [hr set] or [time set] [min set] will enter the time setting mode. -- one digit will be incremented after entering t he alarm setting mode. keep pressing the keys combination for more than 0.5 seconds will make the digit to be advanced at a rate of 2hz. 4) alarm time setting: -- pressing the keys combination of [al disp] [hr set ] or [al disp] [min set] will enter the alarm time setting mode. the [al] indicator will turn on and the [:] sign will stop blinking. -- one digit will be incremented after entering the alar m setting mode. keep pressing the keys combination
utc 6610 cmos utc unisonic technologies co. ltd 6 qw-r502-011,a for more than 0.5 seconds will make the digit to be advanced at a rate of 2hz. 5) alarm funtion: -- al out output pin will output an alarm frequency of 1024hz at 0.2 sec on and 0.2 sec off. -- al out pin can be used to direct drive a piezo buzzer. -- when alarm is active, al out output can be disabled by pressing the [al-on/off] key or it will turn off automatically after 3 minutes lapse. -- al-sig pin is an open drain output (active low). once alarm is activated, al-sig can be disabled by pressing [al-on/off] key or it will turn off automatically after one hour time lapse. -- when [al disp] is pressed, alarm setting time will be displayed on the lcd and the [al] indicator will be on. -- the [al-on/off] pin will toggle the [ ] indicator to turn on of off the alarm function. when the indicator is on, alarm function is on. 6) 32.768khz crystal is used for the reference frequency. 7) after power-on-reset (rst): -- [hr set] and [min set] keys will be disabled. -- [al-disp] key,[al-on/off] key and al-sig output will be enabled. 3. after power-on-set(rst): -- when in clock mode, it will display and start at am 7:00. -- when in dts frequency mode, if clkfreq-sel = high, and fm in & am in pins are grounded, all lcd segments will be turned on(lcd test mode). 4. lcd pin configuration and 0 to 9 di gits segments display configuration. pin function lcd mapping 1 com1 com1 2 com2 com2 3 com3 com3 4 seg0 khz mhz 5 seg1 al dig1-c dig1-b 6 seg2 dig1-d dig1-g dig1-a 7 seg3 dp1 dig1-e dig1-f 8 seg4 dp2 dig2-c dig2-b 9 seg5 dig2-d dig2-g dig2-a 10 seg6 : dig2-e dig2-f 11 seg7 am dig3-c dig3-b 12 seg8 dig3-d dig3-g dig3-a 13 seg9 dig3-e dig3-f 14 seg10 fm dig4-c dig4-b 15 seg11 dig4-d dig4-g dig4-a 16 seg12 pm dig34-e dig4-f am fm pm 32 1 mhz khz al dp2 dp1 a b c d e f g s1 pin1 pin16 col 4
utc 6610 cmos utc unisonic technologies co. ltd 7 qw-r502-011,a lcd timming waveforms one cycle one cycle vdd vlcd 1/3 vlcd 2/3 vlcd vdd vlcd 1/3 vlcd 2/3 vlcd vdd vlcd 1/3 vlcd 2/3 vlcd vdd vlcd 1/3 vlcd 2/3 vlcd com1 com2 com3 segx segx com1 on segx com2 on segx com3 on segx com1 on segx com2 on segx com3 on suggested application 3610 am local oscillator radio frequency receiver fm local oscillator clock buffer clock buffer 500khz 30mhz am local oscillator frequency 11khz 150mhz fm local oscillator frequency amin fmin lcd
utc 6610 cmos utc unisonic technologies co. ltd 8 qw-r502-011,a typical lcd layout counter only mode pin com1 com2 com3 1 com1 2 com2 3 com3 4 khz mhz s1 5 al 1c 1b 6 1d 1g 1a 7 dp1 1e 1f 8 dp2 2c 2b 9 2d 2g 2a 10 col 2e 2f 11 am 3c 3b 12 3d 3g 3a 13 3e 3f 14 fm 4c 4b 15 4d 4g 4a 16 pm 4e 4f am fm pm mhz khz al dp2 dp1 s1 pin1 pin16 col clock and counter mode pin com1 com2 com3 1 com1 2 com2 3 com3 4 khz mhz tk 5 ts 1c 1b 6 1d 1g 1a 7 1p 1e 1f 8 2p 2c 2b 9 2d 2g 2a 10 col 2e 2f 11 3c 3b 12 3d 3g 3a 13 s1 3e 3f 14 fm 4c 4b 15 4d 4g 4a 16 pm 4e 4f 17 am 18 al 19 mw 20 lw
utc 6610 cmos utc unisonic technologies co. ltd 9 qw-r502-011,a 21 sw am fm pm mhz khz 2p 1p tk pin21 col pin1 ts sw mw lm dzs al s1 4 a b c d e f g 3 2 1 am mw lw stereo sw typical application circuits 1
utc 6610 cmos utc unisonic technologies co. ltd 10 qw-r502-011,a com1 12345 4-digits lcd display 6 7 8 9 10 11 12 13 14 15 16 com2 com3 seg0 seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 seg11 seg12 lcd driver amp amp prescaler div.by 10 if freq offset counter clock timming ctl m u x v dd v dd av dd 10nf 10uf fm in am in am/fm-sel if70k range avss vss test testclk osc out 20pf 20pf 32.768 khz osc in preset minset al disp al on/off al-out al-sig 0.1 f v lcd 0.1 f clkfreq-sel 4.7k v dd 1m rst typical application circuits 2
utc 6610 cmos utc unisonic technologies co. ltd 11 qw-r502-011,a seg1 seg0 seg12 16 15 14 13 12 11 10 9 8 4 5 6 7 seg11 seg10 seg9 seg8 seg7 seg6 seg5 seg4 seg3 seg2 17 18 27 28 30 1 2 3 22 21 23 20 24 29 34 32 31 25 19 33 35 36 26 mhz fm 3 15 13 10 9 8 12 11 4 5 14 16 1 2 6 7 32768hz buzzer com3 com2 com1 nc al-out al-sig osc out osc in v dd f min a min v lcd nc range am/fm-sel vss if70k clkfreq al-on al- hr- min- rst set set disp /off -sel min time set hr alarm set alarm on/off audio out 1.8nf 470pf search tuning r s mute v3 af af v2 aiipass filter demodulator loop filter 6k 5.4k if limiter vp 5k 6k 3v vp 680pf bb910 reset 10nf 220pf 68pf 82pf & v2 v2 vco mixer 2.2k 2.2k 3.3nf 180pf 3.9nf 330pf rum v1 9018 2pf 9018 2pf 9012 9013 9013 2pf -1 0.1 f 0.1 f 0.1 f 0.1 h 0.1 f 0.1 f 10 f 0.1 f 0.1 f 0.1 f 10k 10k 10k 5.6k 10k 100k 330k 470k 20k 220 100k 6610 tda7088 pad coordinates
utc 6610 cmos utc unisonic technologies co. ltd 12 qw-r502-011,a (0,0) pad coordinates chip size: 2.02 2.70mm
utc 6610 cmos utc unisonic technologies co. ltd 13 qw-r502-011,a pad no. x y pad no. x y 1 99 1258 21 1899 1473 2 99 1033 22 1899 1670 3 99 835 23 1899 1868 4 99 637 24 1899 2066 5 99 440 25 1899 2263 6 120 98 26 1899 2570 7 318 98 27 1701 2570 8 516 98 28 1504 2570 9 713 98 29 1306 2570 10 911 98 30 1093 2547 11 1108 98 31 908 2570 12 1306 98 32 732 2558 13 1504 98 33 538 2570 14 1701 98 34 314 2556 15 1899 98 35 120 2570 16 1899 440 36 99 2263 17 1899 682 37 99 2045 18 1899 880 38 99 1823 19 1899 1078 39 95 1648 20 1899 1275 40 99 1428 (unit : m)
utc 6610 cmos utc unisonic technologies co. ltd 14 qw-r502-011,a cob package (qfp type) (unit: mm) cob package (sop type) (unit: mm) 23.0 1.0 23.0 1.0 1.27 1.778 10.0 max 2.0 max 23.0 1.0 10.0 0.5 1.27 0.5 7.0 max 2.0 max

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