MDT10P55A Datasheet, PDF (4/11 Pages) List of Unclassifed Manufacturers – 8-bit micro-controller

(4) STATUS (Status register) : R3
Bit
Symbol
Function
0
C
Carry bit
1
HC
Half Carry bit
2
Z
Zero bit
3
PF
Power down bit
4
TF
WDT Timer overflow Flag bit
5
PAGE
ROM page select bit
6
{{
Unimplemented
7
PCWUF
Pin change wake up from sleep
(5) MSR (Memory Bank Select Register) : R4
b7
b6
b5
b4
b3
b2
MDT10P55A
b1
b0
Read only “1” BANK Select
Indirect Addressing Mode
(6) PORT B : R6
PB5~PB0, I/O Register dPB3 input only.
(7) PORT C: R7
PC5~PC0, I/O Register
(8) TMR (Time Mode Register)
Bit
2{0
3
4
Symbol
PS2{0
PSC
TCE
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
1 : 128
Prescaler assignment bit :
0 { RTCC
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
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P. 4
2006/1 Ver. 1.3