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MDT10P55
1. General Description
This EPROM-Based 8-bit micro-controller uses a fully static CMOS technology process to achieve higher speed and smaller size with the low power u u u Power-on Reset Sleep Mode for power saving 5 types of oscillator can be selected by programming option: INTRCInternal 4 MHz RC oscillator RCLow cost RC oscillator LFXTLow frequency crystal oscillator XTALStandard crystal oscillator HFXTHigh frequency crystal oscillator
consump-tion and high noise immunity. On chip memory inclu-des 1K words of ROM, and 72 b ytes of static RAM.
2. Features
The followings are some of the features on the hardware and software : u u u u u u u u u u Fully COMS static design 8-bit data bus On chip EPROM size : 1K words Internal RAM size : 72 bytes 36 single word instructions 14-bit instructions 2-level stacks Operating voltage : 2.5 V ~ 6.0 V Operating frequency : 0 ~ 20 MHz The most fast execution time is 200 ns under 20 MHz in all single cycle instructions except the branch instruction u Addressing modes include direct, indirect and relative addressing modes
u
3 oscillator start-up time can be selected by programming option: 20 ms, 40 ms, 80 ms
u
8-bit real time clock/counter(RTCC) with 8-bit programmable prescaler
u
On-chip RC oscillator based Watchdog Timer(WDT)
u
Wake-up from sleep on pin change
3. Applications
The application areas of this MDT10P55 range from appliance motor control and high speed automotive to low power remote transmitters/receivers, small instruments, chargers, toy, automobile and PC pe-ripheral ... etc.
This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw
P. 1
2003/5 Ver. 1.2
MDT10P55
4. Pin Assignment
MDT10P55A1P/MDT10P55A1S MDT10P55A3P/MDT10P55A3S
VDD PB5 PB4 PB3 PC5/RTCC PC4 PC3 VDD OSC1 OSC2/PB4 PB3 PC5/RTCC PC4 PC3
1 2 3 4 5 6 7 1 2 3 4 5 6 7
14 13 12 11 10 9 8 14 12 12 11 10 9 8
VSS PB0 PB1 PB2 PC0 PC1 PC2 VSS PB0 PB1 PB2 PC0 PC1 PC2
VDD PB5 PB4 /MCLR PC5/RTCC PC4 PC3 VDD OSC1 OSC2/PB4 /MCLR PC5/RTCC PC4 PC3
1 2 3 4 5 6 7 1 2 3 4 5 6 7
14 13 12 11 10 9 8 14 13 12 11 10 9 8
VSS PB0 PB1 PB2 PC0 PC1 PC2 VSS PB0 PB1 PB2 PC0 PC1 PC2
MDT10P55A2P/MDT10P55A2S
MDT10P55A4P/MDT10P55A4S
5. Pin Function Description
Pin Name PB5~0 PC4~0 PC5/RTCC /MCLR OSC1 OSC2 Vdd Vss I/O I/O I/O I/O I I O Function Description Port B, TTL input levelAPB3 input only. Port C, TTL input level Real Time Clock/Counter, Schmitt Trigger input levels Master Clear, Schmitt Trigger input levels Oscillator Input Oscillator Output Power supply Ground
This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw
P. 2
2003/5 Ver. 1.2
MDT10P55
6. Memory Map
(A) Register Map
Address 00 01 02 03 04 06 07 08~1F 30~3F 50~5F 70~7F
Description Indirect Addressing Register RTCC PC STATUS MSR Port B Port C
General purpose registers
(1)IAR ( Indirect Address Register) : R0 (2) RTCC (Real Time Counter/Counter Register) : R1 (3) PC (Program Counter) : R2 Write PC, CALL --- always 0 JUMP --- from instruction word RTIW, RET --- from STACK
A9
A8
Write PC, JUMP, CALL --- from STATUS b5 RTIW, RET --- from STACK
A7~A0
Write PC --- from ALU JUMP, CALL --- from instruction word RTIW, RET --- from STACK
This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw
P. 3
2003/5 Ver. 1.2
MDT10P55
(4) STATUS (Status register) : R3
Bit
0 1 2 3 4 5 6 7
Symbol
C HC Z PF TF PAGE XX PCWUF Carry bit Half Carry bit Zero bit Power down bit
Function
WDT Timer overflow Flag bit ROM page select bit Unimplemented Pin change wake up from sleep
(5) MSR (Memory Bank Select Register) : R4
b7
b6
b5
b4
b3
b2
b1
b0
Read only "1"
BANK Select Indirect Addressing Mode
(6) PORT B : R6 PB5~PB0, I/O Register APB3 input only. (7) PORT C: R7 PC5~PC0, I/O Register (8) TMR (Time Mode Register) Bit Symbol Prescaler Value 000 001 0 2X0 PS2X0 10 011 100 101 110 111 Prescaler assignment bit : 0 X RTCC 1 X Watchdog Timer Function RTCC rate 1:2 1:4 1:8 1 : 16 1 : 32 1 : 64 1 : 128 1 : 256 WDT rate 1:1 1:2 1:4 1:8 1 : 16 1 : 32 1 : 64 1 : 128
3
PSC
This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw
P. 4
2003/5 Ver. 1.2
MDT10P55
Bit 4 Symbol TCE Function RTCC signal Edge : 0 X Increment on low-to-high transition on RTCC pin 1 X Increment on high-to-low transition on RTCC pin RTCC signal set : 0 X Internal instruction cycle clock 1 X Transition on RTCC pin PortB pull-high : 0 X Enable 1 X Disable PortB wake-up : 0 X Enable 1 X Disable
5
TCS
6
PBPHB
7
PBWUB
(9) CPIO B ACPIO C (Control Port I/O Mode Register) The CPIO register is "write-only" x"0", I/O pin in output mode; x"1", I/O pin in input mode. (10) Configurable options for EPROM (Set by writer) : Oscillator Type INTRC Oscillator RC Oscillator Oscillator Start-up Time 20ms,40ms,80ms 20ms,40ms,80ms 20 ms,40ms,80ms 20ms,40 ms,80ms 20ms,40 ms,80 ms
HFXT Oscillator XTAL Oscillator LFXT Oscillator
Watchdog Timer control Watchdog timer disable all the time Watchdog timer enable all the time
Security state Security weak Disable Security Disable Security Enable
The default security state of EPROM is weak disable. Once the IC was set to enable or disable, it's forbidden to change.
This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw
P. 5
2003/5 Ver. 1.2
MDT10P55
(B) Program Memory
Address 000-3FF 000 Program memory
Description
The starting address of power on, external reset or WDT time-out reset.
8. Reset Condition for all Registers
Register IAR RTCC PC STATUS MSR PORT B PORT C Address 00h 01h 02h 03h 04h 06h 07h Power-On Reset xxxx xxxx xxxx xxxx 0000 0000 0001 1xxx 110x xxxx --xx xxxx --xx xxxx /MCLR Reset uuuu uuuu uuuu uuuu 0000 0000 #00# #uuu 110u uuuu --uu uuuu --uu uuuu WDT Reset uuuu uuuu uuuu uuuu 0000 0000 #00# #uuu 11uu uuuu --uu uuuu --uu uuuu
Note : uxunchanged, xxunknown, - xunimplemented, read as "0" #xvalue depends on the condition of the following table
Condition /MCLR reset (not during SLEEP) /MCLR reset during SLEEP WDT reset (not during SLEEP) WDT reset during SLEEP Wake-up from SLEEP on pin change
Status: bit 7 0 0 0 0 1
Status: bit 4 u 1 0 0 1
Status: bit 3 u 0 1 0 0
9. Instruction Set :
Instruction Code 010000 00000000 010000 00000001 010000 00000010 010000 00000011 010000 00000100 010000 00000rrr Mnemonic Operands NOP CLRWT SLEEP TMODE RET CPIO R No operation Clear Watchdog timer Sleep mode Load W to TMODE register Return Control I/O port register Function Operating None 0/WT 0/WT, stop OSC W/TMODE Stack/PC W/CPIO r TF, PF TF, PF None None None Status
This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw
P. 6
2003/5 Ver. 1.2
MDT10P55
Instruction Code 010001 1rrrrrrr 011000 trrrrrrr 111010 iiiiiiii 010111 trrrrrrr 011001 trrrrrrr 011010 trrrrrrr 011011 trrrrrrr 011100 trrrrrrr 011101 trrrrrrr 011110 trrrrrrr 010010 trrrrrrr 110100 iiiiiiii 010011 trrrrrrr 110101 iiiiiiii 010100 trrrrrrr 110110 iiiiiiii 011111 trrrrrrr 010110 trrrrrrr 010101 trrrrrrr 010000 1xxxxxxx 010001 0rrrrrrr 0000bb brrrrrrr 0010bb brrrrrrr 0001bb brrrrrrr 0011bb brrrrrrr 1000nn nnnnnnnn 1010nn nnnnnnnn 110000 nnnnnnnn 110001 iiiiiiii 11001n nnnnnnnn Mnemonic Operands STWR R LDR R, t LDWI I SWAPR R, t INCR R, t INCRSZ R, t ADDWR R, t SUBWR R, t DECR R, t DECRSZ R, t ANDWR R, t ANDWI i IORWR R, t IORWI i XORWR R, t XORWI i COMR R, t RRR RLR CLRW CLRR BCR BSR R R, b R, b R, t R, t Function Store W to register Load register Load immediate to W Swap halves register Increment register Increment register, skip if zero Add W and register Subtract W from register Decrement register Decrement register, skip if zero AND W and register AND W and immediate Inclu. OR W and register Inclu. OR W and immediate Exclu. OR W and register Exclu. OR W and immediate Complement register Rotate right register Rotate left register Clear working register Clear register Bit clear Bit set Bit Test, skip if clear Bit Test, skip if set Long CALL subroutine Long JUMP to address Call subroutine Return, place immediate to W n JUMP to address Operating W/R R/t I/W [R(0~3) R(4~7)] /t R + 1/t R + 1/t W + R/t R W/t or (R+/W+1/t) R 1/t R 1/t R a W/t i a W/W R a W/t i a W/W R o W/t i o W/W /R/t R(n) /R(n-1), C/R(7), R(0)/C R(n)/r(n+1), C/R(0), R(7)/C 0/W 0/R 0/R(b) 1/R(b) Skip if R(b)=0 Skip if R(b)=1 n/PC, PC+1/Stack LJUMP n CALL RTIW JUMP n i n/PC n/PC, PC+1/Stack Stack/PC,i/W n/PC None None None None Z Z None None None None None C Status None Z None None Z None C, HC, Z C, HC, Z Z None Z Z Z Z Z Z Z C
BTSC R, b BTSS R, b LCALL n
This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw
P. 7
2003/5 Ver. 1.2
MDT10P55
Note : W WT TMODE CPIO TF PF PC OSC Inclu. Exclu. AND : : : : : : : : : : : Working register Watchdog timer TMODE mode register Control I/O port register Timer overflow flag Power loss flag Program Counter Oscillator Inclusive `a' Exclusive `o' Logic AND `a' b t 0 1 R C HC Z / x i n : : : : : : : : : : : : Bit position Target Working register General register General register address Carry flag Half carry Zero flag Complement Don't care Immediate data ( 8 bits ) Immediate address
10. Oscillator start up timer condition :
Oscillator Type INTRC,RC HF,XT,LF Porwer-on reset 20ms,40ms,80ms 20ms,40ms,80ms Subsequest resets 300us 20ms,40ms,80ms
11. Electrical Characteristics
*Note: Temperature=25C 1.Operation Current : (1) HF (C=10p) , WDT - enable 4M 2.5V 3.0V 4.0V 5.0V 6.4V 400uA 800uA 1.2mA 1.8mA 2.8mA 10M 800uA 1.3mA 2.1mA 3.3mA 5.1mA 20M 1.2mA 2.3mA 3.4mA 4.9mA 7.5mA Sleep 1.0uA 10uA 15uA 30uA 60uA
These parameters are for reference only.
(2) XT (C=10p) , WDT - enable 1M 2.5V 3.0V 4.0V 5.0V 6.4V 100uA 350uA 500uA 800uA 1.3mA 4M 250uA 700uA 1.1mA 1.6mA 2.6mA 10M 500uA 1.1mA 2.0mA 3.0mA 5.0mA Sleep 1.0uA 10uA 15uA 30uA 60uA
These parameters are for reference only.
This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw
P. 8
2003/5 Ver. 1.2
MDT10P55
(3) RC , WDT - Enable , @Vdd = 5.0V C R 4.7k 10k 3p 47k 100k 300k 470k 4.7k 10k 20p 47k 100k 300k 470k 4.7k 10k 100p 47k 100k 300k 470k 4.7k 10k 300p 47k 100k 300k 470k These parameters are for reference only. Freq. 7.4M 2.9M 884K 452K 148K 92K 4.2M 2.2M 484K 240K 80K 52K 1.4M 736K 160K 80K 27K 17K 632K 312K 68K 34K 11K 7K Current 2.3mA 950uA 350uA 200uA 120uA 120uA 1.3mA 750uA 230uA 150uA 120uA 120uA 550uA 300uA 150uA 120uA 120uA 120uA 300uA 200uA 120uA 120uA 120uA 120uA
(4) LF (C=10p) , WDT - disable 32K 2.5V 3.0V 4.0V 5.0V 6.4V 30uA 60uA 150uA 300uA 750uA 455K X @3.2V,300uA 450uA 750uA 1.2mA 1M X @3.2V,300uA 450uA 750uA 1.2mA Sleep 1.0uA 1.0uA 1.0uA 1.0uA 1.0uA
These parameters are for reference only. This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw
P. 9
2003/5 Ver. 1.2
MDT10P55
2. Input Voltage (Vdd = 5V) : Port Vil TTL Schmitt trigger Vih TTL Schmitt trigger These parameters are for reference only. Min Vss Vss 2.5V 3.8V Max 1.5V 0.8V Vdd Vdd
3. Output Voltage (Vdd = 5V) : PA,PB Voh Vol Voh Vol 3.4V 0.8V 4.3V 0.6V Condition Ioh =-20mA Iol =+20mA Ioh = -5mA Iol = +5mA
These parameters are for reference only.
4. Output Current (Max.) (Vdd = 5V) : Port A: Source current Sink current These parameters are for reference only. Current 25mA 25mA
Port B: Source current sink current These parameters are for reference only.
Current 25mA 25mA
5. The basic WDT time-out cycle time : Time 2.5V 3.0V 4.0V 5.0V 25ms 23ms 20ms 19ms
6.3V 18ms These parameters are for reference only.
This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw
P. 10
2003/5 Ver. 1.2
MDT10P55
6. (1)INT_RC,WDT - disable IC1: 3.0V 4.0V 4M 900uA 1.5mA Sleep 1.0uA 1.0uA 1.0uA
5.0V 2.1mA These parameters are for reference only.
(2)INT_RC,WDT - enable IC1: 3.0V 4.0V 4M 900uA 1.5mA Sleep 5uA 15uA 30uA
5.0V 2.1mA These parameters are for reference only.
7. Min Operation Voltage : C => XT, 20M 10p 2.4V 20p 2.4V 2.6V 30p 2.6V 3.0V
HF, 20M 2.5V These parameters are for reference only.
RC, 1k, no cap. 2.2V These parameters are for reference only.
C =>
0p
10p 3.2V
20p 3.4V
LF, 1M 2.8V These parameters are for reference only.
8. MCLR filter time : Vdd=5V time 2us
These parameters are for reference only.
This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw
P. 11
2003/5 Ver. 1.2

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