MDT10P64 Datasheet, PDF (5/18 Pages) Micon Design Technology Corporation – 8-bit micro-controller

(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
MDT10P64
Write PC --- from ALU
LJUMP, LCALL --- from instruction word
RTWI, RET, RTFI --- from STACK
(4) STATUS (Status register) : R03
Bit
Symbol
Function
0
C
Carry bit
1
HC
Half Carry bit
2
Z
Zero bit
3
/PF
Power down Flag bit
4
/TF
WDT Timer overflow Flag bit
5
RBS0
Register Bank Select bit :
0 : 00H --- 7FH ( Bank0 )
1 : 80H --- FFH ( Bank1 )
6-7
General purpose bit
(5) MSR (Memory Bank Select Register) : R04
Memory Bank Select Register :
0 : 00~7F (Bank 0)
1 : 80~FF (Bank1)
b7
b6
b5
b4
b3
b2
b1
b0
(6) PORT A : R05
PA5~PA0, I/O Register
Indirect Addressing Mode
(7) PORT B : R06
PB7~PB0, I/O Register
This specification are subject to be changed without notice. Any latest information please preview
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P.5
2005/6 V1.4