MDT10P7401
Address
18
19
1E
1F
A0~FF
TXSC
BRREG
ADRESL
ADS1
General purpose register
Description
(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
0
1
2
3
4
5
Symbol
C
HC
Z
/PF
/TF
RBS0
Carry bit
Half Carry bit
Zero bit
Power down bit
WDT timer overflow bit
Register Bank select bit
0: 00h~7Fh (Bank0)
1: 80h~FFh (Bank1)
7~6
--
General purpose bit
Function
This specification are subject to be changed without notice. Any latest information
please preview http;//www.mdtic.com.tw
P. 5
2008/06 Ver. 1.2
MDTIC [ Micon Design Technology Corporation ]
