H8SXSLASH1663 datasheet(521/1158 Pages) RENESAS

Teilenummer	H8SX/1663

Bauteilbeschribung	Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

PDF	1158 Pages

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Hersteller	RENESAS [Renesas Technology Corp]

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Section 9 I/O Ports

Rev.1.00 Jun. 07, 2006 Page 469 of 1102

REJ09B0294-0100

(3) PF5/A21

The pin function is switched as shown below according to the combination of operating mode, the

EXPE bit, port function control register (PFCR), and the PF5DDR bit settings.

Setting

I/O Port

MCU

Operating Mode

Pin Function

A21_OE

PF5DDR

Bus controller

A21 output*



PF5 output

I/O port

PF5 input

(initial setting)

Note:

Valid in external extended mode (EXPE = 1)

(4) PF4/A20

The pin function is switched as shown below according to the combination of operating mode, the

EXPE bit, port function control register (PFCR), and the PF4DDR bit settings.

Setting

I/O Port

MCU

Operating Mode

Module Name

Pin Function

A20_OE

PF4DDR

On-chip ROM

disabled extended

mode

Bus controller

A20 output



Bus controller

A20 output*



PF4 output

Modes other than

on-chip ROM

disabled extended

mode

I/O port

PF4 input

(initial setting)

Note:

Valid in external extended mode (EXPE = 1)

H8SX/1663 Datenblatt(PDF) 521 Page - Renesas Technology Corp

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