MDT10P7212_11 Datasheet, PDF (5/18 Pages) Micon Design Technology Corporation – 8-bit micro-controller

(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)
7-6
--
General purpose bit
(5) MSR (Memory Bank Select Register): R04
Memory Bank Select Register:
0: 00h~7Fh (Bank0)
1: 80h~FFh (Bank1)
MDT10P7212
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
PC4~PC0, I/O Register
(9) PORT E: R09
PE2~PE0, I/O Register
(10) PCHLAT: R0A
Indirect Addressing Mode
(11) 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
This specification are subject to be changed without notice. Any latest information
please preview http;//www.mdtic.com.tw
P. 5
2011/3 VER1.4