H8SXSLASH1663 datasheet(523/1158 Pages) RENESAS

523 / 1158 page

Section 9 I/O Ports

Rev.1.00 Jun. 07, 2006 Page 471 of 1102

REJ09B0294-0100

(7) PF1/A17

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 PF1DDR bit settings.

Setting

I/O Port

MCU

Operating Mode

Module Name

Pin Function

A17_OE

PF1DDR

On-chip ROM

disabled extended

mode

Bus controller

A17 output



Bus controller

A17 output*



PF1 output

Modes other than

on-chip ROM

disabled extended

mode

I/O port

PF1 input

(initial setting)

Note:

Valid in external extended mode (EXPE = 1)

(8) PF0/A16

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 PF0DDR bit settings.

Setting

I/O Port

MCU

Operating Mode

Module Name

Pin Function

A16_OE

PF0DDR

On-chip ROM

disabled extended

mode

Bus controller

A16 output



Bus controller

A16 output*



PF0 output

Modes other than

on-chip ROM

disabled extended

mode

I/O port

PF0 input

(initial setting)

Note:

Valid in external extended mode (EXPE = 1)

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