H8SXSLASH1663R datasheet(699/1504 Pages) RENESAS

Teilenummer	H8SX/1663R

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

PDF	1504 Pages

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Hersteller	RENESAS [Renesas Technology Corp]

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699 / 1504 page

Section 13 I/O Ports

Rev. 2.00 Sep. 24, 2008 Page 667 of 1468

REJ09B0412-0200

Bit

Bit Name

Initial

Value

R/W

Description

BSE

R/W

BS Output Enable

Enables/disables the

BS output

0: Disables the

BS output

1: Enables the

BS output

RDWRS*

R/W

RD/

WR Output Pin Select

Selects the output pin for RD/

0: Specifies pin PA1 as RD/

WR-A output pin

1: Specifies pin PB6 as RD/

WR-B output pin

RDWRE*

R/W

RD/

WR Output Enable

Enables/disables the RD/

WR output

0: Disables the RD/

WR output

1: Enables the RD/

WR output

ASOE

R/W

AS Output Enable

Enables/disables the

AS output

0: Specifies pin PA6 as I/O port

1: Specifies pin PA6 as

AS output pin



Reserved

This bit is always read as 0. The write value should

always be 0.

Notes: 1. If multiple

CS outputs are specified to a single pin according to the CSn output pin

select bit (n = 2), multiple

CS signals are output from the pin. For details, see section

9.5.3, Chip Select Signals.

2. If an area is specified as a byte control SDRAM space, the pin functions as RD/

output regardless of the RDWRE bit value.

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