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MDT10P56 this specifica tion are subject to be changed without notice. any latest information please preview http;//www.mdtic.com.tw p. 1 2004/1 ver. 1.2 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 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 fully cmos static design u 8 - bit data bus u on chip eprom size : 1k words u internal ram size : 72 bytes u 36 single word instructions u 14 - bit instructions u 2 - le vel stacks u operating voltage : 2.5 v ~ 5.5v u operating frequency : 0 ~ 20 mhz u 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 addressin g modes u power - on reset u sleep mode for power saving u 5 types of oscillator can be selected by programming option: intrc ?e internal 4 mhz rc oscillator rc ?e low cost rc oscillator lfxt ?e low frequency crystal oscillator xtal ?e standard crystal oscillator hfxt ?e high frequency crystal oscillator u 3 oscillator start - up time can be selected by programming option: 20 ms, 40 ms, 80 ms u 8 - bi t 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 MDT10P56 range from appliance motor control and high speed a utomotive to low power remote transmitters/receivers, small instruments, chargers, toy, automobile and pc peripheral ? etc.
MDT10P56 this specifica tion are subject to be changed without notice. any latest information please preview http;//www.mdtic.com.tw p. 2 2004/1 ver. 1.2 MDT10P56a3p/MDT10P56a3s pc7 1 18 pb7 pc6 2 17 pb6 vdd 3 16 vss pb5 4 15 pb0 pb4 5 14 pb1 mclr 6 13 pb2 7 12 pc0 pc1 pc5/rtcc pc4 pc3 8 9 11 10 pc2 MDT10P56a4p/MDT10P56a4s pc7 1 18 pb7 pc6 2 17 pb6 vdd 3 16 vss osc1 4 15 pb0 osc2/pb4 5 14 pb1 mclr 6 13 pb2 7 12 pc0 pc1 pc5/rtcc pc4 pc3 8 9 11 10 pc2 4. pin assignment MDT10P56a1p/MDT10P56a1s pc7 1 18 pb7 pc6 2 17 pb6 vdd 3 16 vss pb5 4 15 pb0 pb4 5 14 pb1 pb3 6 13 pb2 7 12 pc0 pc1 pc5/rtcc pc4 pc3 8 9 11 10 pc2 MDT10P56a2p/MDT10P56a2s pc7 1 18 pb7 pc6 2 17 pb6 vdd 3 16 vss osc1 4 15 pb0 osc2/pb4 5 14 pb1 pb3 6 13 pb2 7 12 pc0 pc1 pc5/rtcc pc4 pc3 8 9 11 10 pc2 5. pin function description pin name i/o function description pb7~0 i/o port b, ttl input level ?a pb3 input only. pc7~0 i/o port c, ttl input level pc5/rtcc i/o real time clock/counter, schmitt trigger input levels /mclr i master clear, schmitt trigger input levels osc1 i oscillator input osc2 o oscillator output v dd power supply v ss ground
MDT10P56 this specifica tion are subject to be changed without notice. any latest information please preview http;//www.mdtic.com.tw p. 3 2004/1 ver. 1.2 6. memory map (a) register map address description 00 indirect addressing register 01 rtcc 02 pc 03 status 04 msr 06 port b 07 port c 08~1f 30~3f 50~5f 70~7f 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 a7~a0 write pc, jump, call --- from status b5 rtiw, ret --- from stack write pc --- from alu jump, call --- from instruction word rtiw, ret --- from stack
MDT10P56 this specifica tion are subject to be changed without notice. any latest information please preview http;//www.mdtic.com.tw p. 4 2004/1 ver. 1.2 (4) status (status register) : r3 bit symbol function 0 1 2 3 4 5 6 7 c hc z pf tf page ?x?x pcwuf carry bit half carry bit zero bit power down bit 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 indi rect addressing mode (6) port b : r6 pb7~pb0, i/o register ?a pb3 input only. (6) port c: r7 pc7~pc0, i/o register. (7) tmr (time mode register) bit symbol function prescaler value rtcc rate wdt rate 2 ?x 0 ps2 ?x 0 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 1 : 2 1 : 4 1 : 8 1 : 16 1 : 32 1 : 64 1 : 128 1 : 256 1 : 1 1 : 2 1 : 4 1 : 8 1 : 16 1 : 32 1 : 64 1 : 128 3 psc prescaler assignment bit : 0 ?x rtcc 1 ?x watchdog timer 4 tce 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
MDT10P56 this specifica tion are subject to be changed without notice. any latest information please preview http;//www.mdtic.com.tw p. 5 2004/1 ver. 1.2 bit symbol function prescaler value rtcc rate wdt rate 5 tcs rtcc signal set : 0 ?x internal instruction cycle clock 1 ?x transition on rtcc pin 6 pbphb port b pull - high : 0 ?x enable 1 ?x disable 7 pbwub portb wake - up : 0 ?x enable 1 ?x disable (8) cpio b (control port i/o mode register) the cpio register is ?write - only? ? ?0?, i/o pin in output mode; ? ?1?, i/o pin in input mode. (9) cpio c (contro l port i/o mode register) the cpio register is ?write - only? ? ?0?, i/o pin in output mode; ? ?1?, i/o pin in input mode. (10) configurable options for eprom (set by writer) : oscillator type oscillator start - up time intrc oscillator 20ms,40ms,80ms rc oscillator 20ms,40ms,80ms hfxt oscillator 20ms,40ms,80ms xtal oscillator 20ms,40ms,80ms lfxt oscillator 20ms,40ms,80ms watchdog timer control watchdog timer disable all the time watchdog timer enable all the time security state security we ak 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.
MDT10P56 this specifica tion are subject to be changed without notice. any latest information please preview http;//www.mdtic.com.tw p. 6 2004/1 ver. 1.2 (b) program memory address description 000 - 3ff program memory 000 the starting add ress of power on, external reset or wdt time - out reset. 8. reset condition for all registers register address power - on reset /mclr reset wdt reset cpio b ?e?e 1111 1111 1111 1111 1111 1111 cpio c ?e?e 1111 1111 1111 1111 1111 1111 tmr ?e?e 1111 1111 1111 1111 1111 1111 iar 00h xxxx xxxx uuuu uuuu uuuu uuuu rtcc 01h xxxx xxxx uuuu uuuu uuuu uuuu pc 02h 0000 0000 0000 0000 0000 0000 status 03h 0001 1xxx #00# #uuu #00# #uuu msr 04h 110x xxxx 11uu uuuu 11uu uuuu port b 06h -- xx x xxx -- uu uuuu -- uu uuuu port c 07h -- xx xxxx -- uu uuuu -- uu uuuu note : u ? unchanged, x ? unknown, - ? unimplemented, read as ?0? # ? value depends on the condition of the following table condition status: bit 7 status: bit 4 status: bit 3 /mclr reset (not during sleep) 0 u u /mclr reset during sleep 0 1 0 wdt reset (not during sleep) 0 0 1 wdt reset during sleep 0 0 0 wake - up from sleep on pin change 1 1 0 9. instruction set : instruction code mnemonic operands function operating status 010000 00000000 nop no operation none 010000 00000001 clrwt clear watchdog timer 0 ? wt tf, pf 010000 00000010 sleep sleep mode 0 ? wt, stop osc tf, pf
MDT10P56 this specifica tion are subject to be changed without notice. any latest information please preview http;//www.mdtic.com.tw p. 7 2004/1 ver. 1.2 instruction code mnemonic operands function operating status 010000 00000011 tmode load w to tmode register w ? tmode none 010000 00000100 ret return stack ? pc none 010000 00000rrr cpi o r control i/o port register w ? cpio r none 010001 1rrrrrrr stwr r store w to register w ? r none 011000 trrrrrrr ldr r, t load register r ? t z 111010 iiiiiiii ldwi i load immediate to w i ? w none 010111 trrrrrrr swapr r, t swap halves register [ r(0~3) ? r(4~7)] ? t none 011001 trrrrrrr incr r, t increment register r + 1 ? t z 011010 trrrrrrr incrsz r, t increment register, skip if zero r + 1 ? t none 011011 trrrrrrr addwr r, t add w and register w + r ? t c, hc, z 011100 trrrrrrr subwr r, t sub tract w from register r ?? w ? t or (r+/w+1 ? t) c, hc, z 011101 trrrrrrr decr r, t decrement register r ?? 1 ? t z 011110 trrrrrrr decrsz r, t decrement register, skip if zero r ?? 1 ? t none 010010 trrrrrrr andwr r, t and w and register r ?? w ? t z 110100 iii iiiii andwi i and w and immediate i ?? w ? w z 010011 trrrrrrr iorwr r, t inclu. or w and register r ?? w ? t z 110101 iiiiiiii iorwi i inclu. or w and immediate i ?? w ? w z 010100 trrrrrrr xorwr r, t exclu. or w and register r ? w ? t z 110110 iiiiiiii xorwi i exclu. or w and immediate i ? w ? w z 011111 trrrrrrr comr r, t complement register /r ? t z 010110 trrrrrrr rrr r, t rotate right register r(n) ? r(n - 1), c ? r(7), r(0) ? c c 010101 trrrrrrr rlr r, t rotate left register r(n) ? r(n+1), c ? r(0), r(7) ? c c 010000 1xxxxxxx clrw clear working register 0 ? w z 010001 0rrrrrrr clrr r clear register 0 ? r z 0000bb brrrrrrr bcr r, b bit clear 0 ? r(b) none 0010bb brrrrrrr bsr r, b bit set 1 ? r(b) none 0001bb brrrrrrr btsc r, b bit test, skip if clear skip if r(b)=0 none 0011bb brrrrrrr btss r, b bit test, skip if set skip if r(b)=1 none 1000nn nnnnnnnn lcall n long call subroutine n ? pc, pc+1 ? stack none 1010nn nnnnnnnn ljump n long jump to address n ? pc none
MDT10P56 this specifica tion are subject to be changed without notice. any latest information please preview http;//www.mdtic.com.tw p. 8 2004/1 ver. 1.2 instruction code m nemonic operands function operating status 110000 nnnnnnnn call n call subroutine n ? pc, pc+1 ? stack none 110001 iiiiiiii rtiw i return, place immediate to w stack ? pc,i ? w none 11001n nnnnnnnn jump n jump to address n ? pc none note : w : worki ng register b : bit position wt : watchdog timer t : target tmode : tmode mode register 0 : working register cpio : control i/o port register 1 : general register tf : timer overflow flag r : general register address pf : power loss flag c : carry flag pc : program counter hc : half carry osc : oscillator z : zero flag inclu. : inclusive ? ?? ? / : complement exclu. : exclusive ? ? ? x : don?t care and : logic and ? ?? ? i : immediate data ( 8 bits ) n : immediate address 10. oscillator start up timer condition : oscillator type porwer - on reset subsequest resets intrc,rc 20ms,40m s,80ms 300us hf,xt,lf 20ms,40ms,80ms 20ms,40ms,80ms 11. electrical characteristics *note: temperature=25c 1.operation current : (1) hf (c=10p) , wdt - enable 4m 10m 20m sleep 2.5v 400ua 800ua 1.2ma 1.0ua 3.0v 800ua 1.3ma 2.3ma 10ua 4.0v 1.2ma 2.1 ma 3.4ma 15ua 5.0v 1.8ma 3.3ma 4.9ma 30ua 6.4v 2.8ma 5.1ma 7.5ma 60ua these parameters are for reference only.
MDT10P56 this specifica tion are subject to be changed without notice. any latest information please preview http;//www.mdtic.com.tw p. 9 2004/1 ver. 1.2 (2) xt (c=10p) , wdt - enable 1m 4m 10m sleep 2.5v 100ua 250ua 500ua 1.0ua 3.0v 350ua 700ua 1.1ma 10ua 4.0v 500ua 1.1ma 2.0ma 15ua 5.0v 800ua 1.6ma 3.0ma 30ua 6.4v 1.3ma 2.6ma 5.0ma 60ua these parameters are for reference only. (3) rc , wdt ? enable , @vdd = 5.0v c r freq. current 4.7k 7.4m 2.3ma 10k 2.9m 950ua 47k 884k 350ua 100k 452k 200ua 300k 148k 120ua 3p 470k 92k 120 ua 4.7k 4.2m 1.3ma 10k 2.2m 750ua 47k 484k 230ua 100k 240k 150ua 300k 80k 120ua 20p 470k 52k 120ua 4.7k 1.4m 550ua 10k 736k 300ua 47k 160k 150ua 100k 80k 120ua 300k 27k 120ua 100p 470k 17k 120ua 4.7k 632k 300ua 10k 312k 200ua 47k 68k 120ua 100k 34k 120ua 300k 11k 120ua 300p 470k 7k 120ua these parameters are for reference only.
MDT10P56 this specifica tion are subject to be changed without notice. any latest information please preview http;//www.mdtic.com.tw p. 10 2004/1 ver. 1.2 (4) lf (c=10p) , wdt - disable 32k 455k 1m sleep 2.5v 30ua x x 1.0ua 3.0v 60ua @3.2v,300ua @3.2v,300ua 1.0ua 4.0v 150ua 450ua 450ua 1.0ua 5. 0v 300ua 750ua 750ua 1.0ua 6.4v 750ua 1.2ma 1.2ma 1.0ua these parameters are for reference only. 2. input voltage (vdd = 5v) : port min max ttl vss 1.5v vil schmitt trigger vss 0.8v ttl 2.5v vdd vih schmitt trigger 3.8v vdd these parameters are for reference only. 3. output voltage (vdd = 5v) : pa,pb condition voh 3.4v ioh = - 20ma vol 0.8v iol =+20ma voh 4.3v ioh = - 5ma vol 0.6v iol = +5ma these parameters are for reference only. 4. output current (max.) (vdd = 5v) : port a: current sou rce current 25ma sink current 25ma these parameters are for reference only. port b: current source current 25ma sink current 25ma these parameters are for reference only. 5. the basic wdt time - out cycle time :
MDT10P56 this specifica tion are subject to be changed without notice. any latest information please preview http;//www.mdtic.com.tw p. 11 2004/1 ver. 1.2 time 2.5v 25ms 3.0v 23ms 4.0v 2 0ms 5.0v 19ms 6.3v 18ms these parameters are for reference only. 6. ( 1 )int_rc,wdt ? disable ic1: 4m sleep 3.0v 900ua 1.0ua 4.0v 1.5ma 1.0ua 5.0v 2.1ma 1.0ua these parameters are for reference only. (2)int_rc,wdt ? enable ic1: 4m sleep 3.0v 900ua 5ua 4.0v 1.5ma 15ua 5.0v 2.1ma 30ua these parameters are for reference only. 7. min operation voltage : c => 10p 20p 30p xt, 20m 2.4v 2.4v 2.6v hf, 20m 2.5v 2.6v 3.0v these parameters are for reference only. rc, 1k, no cap. 2.2v thes e parameters are for reference only. c => 0p 10p 20p lf, 1m 2.8v 3.2v 3.4v these parameters are for reference only. 8. mclr filter time : vdd=5v time 2us these parameters are for reference only.

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