MDT10P73 Datasheet, PDF (5/22 Pages) List of Unclassifed Manufacturers – This EPROM-Based 8-bit micro-controller uses a fully static CMOS technology process to achieve higher speed and smaller size with the low power consum

(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(Bandk1)
7-6
General purpose bit
(5) MSR (Memory Bank Select Register) : R04
Memory Bank Select Register :
0 : 00~7F(Bank0)
1 : 80~FF(Bank1)
b7
b6
b5
b4
b3
MDT10P73
b2
b1
b0
Indirect Addressing Mode
(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
(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. INT interrupt flag.
2
TIF
Set when TMR0 overflows.
3
RBIE 0 : disable PB change interrupt
1 : enable PB change interrupt
This specification are subject to be changed without notice. Any latest information
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P. 5
2005/6 Ver. 1.5