MDT1010 Datasheet, PDF (4/20 Pages) Micon Design Technology Corporation – 8-bit micro-controller

(4) STATUS (Status register) : R3
Bit
0
1
2
3
4
5
67
Symbol
C
HC
Z
PF
TF
page 0
Function
Carry bit
Half Carry bit
Zero bit
Power loss Flag bit
Time overflow Flag bit
Page select bit :
0 : 000H --- 1FFH
1 : 200H --- 3FFH
General purpose bit
MDT1010
(5) MSR (Memory Select Register) : R4
(6) PORT A : R5
PA3~PA0, I/O Register
(7) PORT B : R6
PB7~PB0, I/O Register
(8) TMR (Time Mode Register)
Bit
20
3
4
5
Symbol
PS2 0
PSC
TCE
TCS
Function
Prescaler Value
RTCC rate
WDT rate
000
1:2
1:1
001
1:4
1:2
010
1:8
1:4
011
1 : 16
1:8
100
1 : 32
1 : 16
101
1 : 64
1 : 32
110
1 : 128
1 : 64
111
1 : 256
Prescaler assignment bit :
0 RTCC
1 : 128
1 Watchdog Timer
RTCC signal Edge :
0 Increment on low-to-high transition on RTCC pin
1 Increment on high-to-low transition on RTCC pin
RTCC signal set :
0 Internal instruction cycle clock
1 Transition on RTCC pin
This specification are subject to be changed without notice. Any latest information please preview
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P.4
2005/6 Ver1.4