MDT10F73 Datasheet, PDF (4/23 Pages) Micon Design Technology Corporation – 8-bit micro-controller

(2) RTCC (Real Time Counter/Counter Register): R01
MDT10F73
(3) PC (Program Counter): R02, R0A
Write PC --- from PCHLAT
Write PC --- from PCHLAT
LJUMP, LCALL --- from instruction word
RTWI, RET --- from STACK
A11
A10~A8
A7~A0
Write PC --- from ALU
LJUMP, LCALL --- from instruction word
RTWI, RET, RTFI --- from STACK
(4) STATUS (Status register): R03
Bit Symbol
0
C
Carry bit
1
HC
Half Carry bit
2
Z
Zero bit
3
/PF Power down bit
4
/TF
WDT timer overflow bit
5
RBS0 Register Bank select bit
0: 00h~7Fh (Bank0)
1: 80h~FFh (Bank1)
7~6
--
General purpose bit
(5) MSR (Memory Bank Select Register): R04
Memory Bank Select Register:
0: 00h~7Fh (Bank0)
1: 80h~FFh (Bank1)
Function
b7
b6
b5
b4
b3
b2
b1
b0
(6) PORT A: R05
PA5~PA0, I/O Register
(7) PORT B: R06
PB7~PB0, I/O Register
(8) PORT C: R07
PC7~PC0, I/O Register
Indirect Addressing Mode
P. 4
2011/05 Ver. 1.0