SH7721 datasheet(381/1524 Pages) RENESAS

Part #	SH7721

Description	Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

PDF	1524 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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381 / 1524 page

Section 9

Bus State Controller (BSC)

Rev. 3.00 Jan. 18, 2008 Page 319 of 1458

REJ09B0033-0300

(4)

PCMCIA

• CS5BWCR, CS6BWCR

Bit

Bit Name

Initial

Value

R/W

Description

31 to 22



All 0

Reserved

These bits are always read as 0. The write value should

always be 0.

SA1

SA0

R/W

Space Attribute Specification

Specify memory card interface or I/O card interface when the

PCMCIA interface is selected.

SA1

0: Specifies memory card interface when A25 = 1

1: Specifies I/O card interface when A25 = 1

SA0

0: Specifies memory card interface when A25 = 0

1: Specifies I/O card interface when A25 = 0

Note:

When using the PC card controller, specifies the

following settings.

When the bit 4 (P0USE) in the PCC0GCR register of

PCC is 1 and the bit 5 (P0PCCT) of the PCC0GCR

the bit 4 (P0USE) and the bit 5 (P0PCCT) in the

PCC0GCR register of PCC are 1, both SA1 and SA0

should be 1.

19 to 15



All 0

Reserved

These bits are always read as 0. The write value should

always be 0.

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