Panasonic MN101C77C User Manual

Chapter 17    Appendices

XVII - 6

Special Function Registers List

I/O Wait Setup

Clock Switching

Watchdog Time-out

Period Setup

Internal ROM/External Memory Switching

X'3F00'

X'3F01'

X'3F02'

X'3F03'

X'3F05'

X'3F0E'

X'3F0A'

X'3F0B'

X'3F10'

X'3F11'

X'3F12'

X'3F15'

X'3F16'

Address

CPUM

MEMCTR

WDCTR

AREACTR

CSMD01

RCCTR

SBNKR

DBNKR

P0OUT

P1OUT

P2OUT

P5OUT

P6OUT

Register

Bus mode

selection

Oscillation Control

Fixed Wait Setup

Wait mode selection

Wait mode selection

Bank for Source

Address Setup

Bank for Destination

Address Setup

Bit Symbol / Initial Value / Description

Port 0 Output Data

Port 6 Output Data

Bit 4

OSCDBL

EXMEM

Switch

Memory

WDTC1

The lowest value for clear Setup

CS5EXT

CS1W0

-

P0OUT4

-

-

P1OUT4

P5OUT4

P6OUT4

P2OUT4

Bit 3

STOP

STOP mode 

Setup

EXWH

Switch

Wait

WDTC0

CS4EXT

-

-

P0OUT3

-

-

P1OUT3

P5OUT3

P6OUT3

P2OUT3

Bit 2

HALT

HALT Mode

Setup

IRWE

Software Writes

Setup

WDTS1

CS3EXT

CS0W2

P0OUT2

RC2EN

-

-

P1OUT2

Port 1 Output Data

P5OUT2

Port 5 Output Data

P6OUT2

P2OUT2

Bit 1

OSC1

EXW1

WDTS0

CS2EXT

CS0W1

P0OUT1

ROM Correction Control

RC1EN

SBA1

DBA1

P1OUT1

P5OUT1

P6OUT1

P2OUT1

Bit 0

OSC0

EXW0

WDEN

WDT

Activation

CS1EXT

CS0W0

P0OUT0

RC0EN

SBA0

DBA0

P1OUT0

P5OUT0

P6OUT0

P2OUT0

II - 21

II - 25

II - 16

II - 17 

II - 32

IV - 7

Page

II - 18 

IX - 3

II - 28

II - 28

IV - 13

IV - 22

IV - 27

IV - 18

Bit 7

SOSCDBL

  IOW1

-

CS8EXT

CS1MD

-

-

-

-

-

P2OUT7

Port 2

Output Data

Port 2 Output Data

P6OUT7

-

Bit 6

OSCSEL1

IOW0

-

CS7EXT

CS1W2

-

P0OUT6

-

-

-

P6OUT6

-

-

Bit 5

OSCSEL0

IVBM

Interrupt Vector

Address

WDTC2

CS6EXT

CS1W1

-

P0OUT5

-

-

-

P6OUT5

-

-

X'3F06'

CSMD23

Bus mode

selection

Bus mode

selection

Wait mode selection

Wait mode selection

CS3W0

CS2MD

CS2W2

CS2W1

CS2W0

II - 18 

CS3MD

CS3W2

CS3W1

X'3F07'

CSMD45

Bus mode

selection

Bus mode

selection

Wait mode selection

Wait mode selection

CS5W0

CS4MD

CS4W2

CS4W1

CS4W0

II -18

CS5MD

CS5W2

CS5W1

X'3F08'

CSMD67

Bus mode

selection

Bus mode

selection

Wait mode selection

Wait mode selection

CS7W0

CS6MD

CS6W2

CS6W1

CS6W0

II - 18

CS7MD

CS7W2

CS7W1

X'3F09'

CSMD89

Set always

to "1"

Bus mode

selection

Wait mode selection

Wait mode selection

CS9W0

CS8MD

CS8W2

CS8W1

CS8W0

II - 18

Reserved

CS9W2

CS9W1

Port 7 Output Data

X'3F17

X'3F18

P7OUT

P8OUT

P7OUT7

P8OUT7

P7OUT6

P8OUT6

P7OUT5

P8OUT5

P7OUT4

P8OUT4

P7OUT3

P8OUT3

P7OUT2

P8OUT2

P7OUT1

P8OUT1

P7OUT0

P8OUT0

IV - 38

IV - 31

Port 8 Output Data