MDT10P721 Datasheet, PDF (4/21 Pages) Micon Design Technology Corporation – 8-bit micro-controller

Address
07
0C
0E
12
14
1F
A0~FF
Description
CPIO C
PIEB1
PSTA
T2PER
SCMSTA
ADS1
General purpose register
MDT10P721
(1) IAR ( Indirect Address Register) : R00
(2) RTCC (Real Time Counter/Counter Register) : R01
(3) PC (Program Counter) : R02,R0A
Write PC --- from PCHLAT
Write PC --- from PCHLAT
LJUMP, LCALL --- from instruction word
RTWI, RET --- from STACK
A11
A10~A8
A7~A0
Write PC --- from ALU
LJUMP, LCALL --- from instruction word
RTWI, RET, RTFI --- from STACK
(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
This specification are subject to be changed without notice. Any latest information
please preview http;//www.mdtic.com.tw
P. 4
2005/6 Ver. 2.0