W742S81A Datasheet, PDF (39/47 Pages) Winbond – 4 BIT MICROCONTROLLER

10. INSTRUCTION SET TABLE
Symbol Description
ACC:
Accumulator
ACC.n:
Accumulator bit n
WR:
Working Register
WRP:
WR Page Register
PAGE:
Page Register
DBKR:
Data Bank Register
ROMPR:
ROM Page Register
MR0:
Mode Register 0
MR1:
Mode Register 1
PM0:
Port Mode 0
PM1:
Port Mode 1
PM2:
Port Mode 2
PM5:
Port Mode 5
PSR0:
Port Status Register 0
R:
Memory (RAM) of address R
WDTR:
WatchDog Timer Register
LPL:
LCD data RAM pointer
LPH:
LCD data RAM pointer
R.n:
Memory bit n of address R
SCR:
System Control Register
BUZCR:
Buzzer Control Register
RA:
I/O Port RA
RC:
I/O Port RC
DTMF:
DTMF Register
DTCR:
MTMF Control Pin
MFP:
MFP Output Pin
W742S81A
Publication Release Date: March 2003
- 39 -
Revision A1