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¡ 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.