10/30
¡ Semiconductor MSM66201/66P201/66207/66P207
SFR
Address
(HEX)
Name Symbol R/W
8/16-bit
Operation
Reset
0000
0001
0002
0003
0004I
0005I
0006
0007
0010I
0011
0012I
0013
0018
0019
001A
001B
001CI
System stack printer
Local register base
Program status word
Accumulator
Standby control register
Watchdog timer
Peripheral control register
Stop code acceptor
Interrupt request register
Interrupt enable register
External Iinterrupt control register
SSP
(ASSP)
LRB
(ALRB)
PSWL
(APSW)
PSWH
ACC
SBYCON
WDT
PRPHF
STPACP
IE
EXICON
IRQ
R/W
W
R/W
W
8/16
8
8/16
FFH
FFH
undefined
C8H
0CH
00H
00H
F8H
FDH
"0"
00H
00H
00H
00H
FCH
00H/WDT
is stopped
0020
0021
0022
0023
0024
0025
0026I
0028
0029
002A
002C
002D
002E
002F
0030
0031
Port 0 data register
Timer 0 counter
P3IO
P3SF
P4
P4IO
TM0
R/W
8
undefined
Port 0 mode register
Port 2 secondary function control register
P3
P2SF
P2IO
P2
P1IO
P1
P0IO
P0
P4SF
Port 5
P5
0032
0033
Timer 0 register
TMR0
0034
0035
Timer 1 counter
TM1
0036
0037
Timer 1 register
TMR1
Port 1 data register
Port 1 mode register
Port 2 data register
Port 2 mode register
Port 3 secondary function control register
Port 3 data register
Port 3 mode register
Port 4 secondary function control register
Port 4 data register
Port 4 mode register
R
R/W 16
00H
undefined
00H
undefined
00H
07H
undefined
00H
00H
undefined
00H
00H
—
00H
00H
00H
00H
00H
00H
00H
00H
Note: A I mark in the address column indicates that there is a bit that does not exist in the
register.