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FUJITSU MB91460 SERIES FR60 User Manual

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Chapter 30 I/O Ports

1.I/O Ports Functions

P07_4

P07_4

TP04_0

General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to ‘0’.

A4

I/O pin for bit 4 of the external address bus. This function is enabled when the
external bus is enabled.

P07_3

P07_3

TP04_0

General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to ‘0’.

A3

I/O pin for bit 3 of the external address bus. This function is enabled when the
external bus is enabled.

P07_2

P07_2

TP04_0

General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to ‘0’.

A2

I/O pin for bit 2 of the external address bus. This function is enabled when the
external bus is enabled.

P07_1

P07_1

TP04_0

General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to ‘0’.

A1

I/O pin for bit 1 of the external address bus. This function is enabled when the
external bus is enabled.

P07_0

P07_0

TP04_0

General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to ‘0’.

A0

I/O pin for bit 0 of the external address bus. This function is enabled when the
external bus is enabled.

Port 08

P08_7

P08_7

TP04_0

General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to ‘0’.

RDY

Input pin for external wait (if RDY enabled for the corresponding CS area).
This function is enabled when the external bus is enabled.

P08_6

P08_6

TP04_0

General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to ‘0’.

BRQ

Input pin for external bus request (if sharing enabled for the corresponding CS
area). This function is enabled when the external bus is enabled.

P08_5

P08_5

TP04_0

General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to ‘0’.

BGRNTX

Output pin for external bus granted (if sharing enabled for the corresponding
CS area). This function is enabled when the external bus is enabled.

P08_4

P08_4

TP04_0

General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to ‘0’.

RDX

Output pin for external bus read strobe. This function is enabled when the
external bus is enabled.

P08_3

P08_3

TP04_0

General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to ‘0’.

WRX3

Output pin for external bus write strobe. This function is enabled when the
external bus is enabled.

P08_2

P08_2

TP04_0

General purpose I/O. This function is enabled in the single-chip mode or by
setting the corresponding PFR to ‘0’.

WRX2

Output pin for external bus write strobe. This function is enabled when the
external bus is enabled.

Pin Name

I/O Signal

Circuit

Type

Function