MDT10P73BA Datasheet, PDF (5/22 Pages) Micon Design Technology Corporation – 8-bit micro-controller

(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)
b7
b6
b5
b4
MDT10P73(BA)
Function
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
(9) PCHLAT: R0A
Indirect Addressing Mode
(10) INTS (Interrupt Status Register): R0B
Bit Symbol
Function
0
RBIF PORT B change interrupt flag, Set when PB <7:4> inputs change
1
INTF Set when INT interrupt occurs
2
TIF Set when TMR0 overflows
3
RBIE 0: Disable PB change interrupt
1: Enable PB change interrupt
4
INTS 0: Disable INT interrupt
1: Enable INT interrupt
This specification are subject to be changed without notice. Any latest information
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P. 5
2008/6 Ver. 1.6