学习型遥控器ic,mdt10p431

mdt10p43
? fully cmos static design
? 8-bit data bus
? on chip rom size : 2k words
? internal ram size : 47 bytes
(40 general purpose registers, 7 special
registers)
? 34 single word instructions
? 14-bit instructions
? 4-level stacks
? operating voltage : 2.0v ~ 6 v
? addressing modes include direct, indirect
and relative addressing modes
? power-on reset
? internal rc 4mhz
? oscillator type : hf, xt, and lf
? pa0-3 : 4 i/o pins with pull-high input
? pa4-7 : 4 input only pins with pull-high
resistor and pa0-7 input low wakeup detect
circuit
? pb0 (ir) : cmos output, initial low or hi by
user option
? pb1~7 : seven open drain output pins
? built in remote control carrier synthesizer
by firmware setting
? 20ms oscillator start up time
3. applications
? remote controller
4. pin assignment
※ p – pdip, s - psop
mdt10p43-2kp11,
mdt10p43-2k s11
pa2 1 18 pa1
pa3 2 17 pa0
pa6 3 16 osc1
pa7 4 15 osc2
vss 5 14 vdd
pb0 6 13 pb7
pb1 7 12 pb6
pb2 8 11 pb5
pb3 9 10 pb4
mdt10p43-2k p21
mdt10p43-2k s21
pa5 1 20 pa4
pa2 2 19 pa1
pa3 3 18 pa0
pa6 4 17 osc1
pa7 5 16 osc2
vss 6 15 vdd
pb0 7 14 pb7
pb1 8 13 pb6
pb2 9 12 pb5
pb3 10 11 pb4