HD6432138SW datasheet(292/1061 Pages) RENESAS

Part #	HD6432138SW

Description	Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

PDF	1061 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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292 / 1061 page

Section 8 I/O Ports

Rev. 4.00 Jun 06, 2006 page 238 of 1004

REJ09B0301-0400

Selection Method and Pin Functions

P94/

WR/IOW

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

operating mode, bit HI12E in SYSCR2, and bit P94DDR.

Operating

mode

Modes 1, 2, 3

(EXPE = 1)

Modes 2, 3 (EXPE = 0)

HI12E

—

P94DDR

—

Pin function

output pin

P94

input pin

P94

output pin

IOW

input pin

P93/

RD/IOR

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

operating mode, bit HI12E in SYSCR2, and bit P93DDR.

Operating

mode

Modes 1, 2, 3

(EXPE = 1)

Modes 2, 3 (EXPE = 0)

HI12E

—

P93DDR

—

Pin function

RD output pin P93 input pin P93 output pin IOR input pin

P92/

IRQ0

P92DDR

Pin function

P92 input pin

P92 output pin

IRQ0 input pin

When bit IRQ0E in IER is set to 1, this pin is used as the

IRQ0 input pin.

P91/

IRQ1

P91DDR

Pin function

P91 input pin

P91 output pin

IRQ1 input pin

When bit IRQ1E in IER is set to 1, this pin is used as the

IRQ1 input pin.

HD6432138SW Datasheet(PDF) 292 Page - Renesas Technology Corp

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