SH7261 datasheet(1002/1348 Pages) RENESAS

Part #	SH7261

Description	32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

PDF	1348 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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1002 / 1348 page

Section 21 CD-ROM Decoder (ROM-DEC)

Rev. 2.00 Sep. 07, 2007 Page 970 of 1312

REJ09B0320-0200

21.3.21

Pre-ECC Correction Subheader: File Number (Byte 16) Data Register (SHEAD00)

SHEAD00 indicates the file number value in the subheader before ECC correction (byte 16).

76543210

Bit:

Initial value:

R/W:

00000000

RRRRRRRR

SHEAD00[7:0]

Bit

Bit Name

Initial

Value

R/W

Description

7 to 0

SHEAD00[7:0]

All 0

File number value in the subheader before ECC

correction (byte 16)

For sectors not in Mode 2, this register contains the

byte of data at the corresponding position.

21.3.22

Pre-ECC Correction Subheader: Channel Number (Byte 17) Data Register

(SHEAD01)

SHEAD01 indicates the channel number value in the subheader before ECC correction (byte 17).

76543210

Bit:

Initial value:

R/W:

00000000

RRRRRRRR

SHEAD01[7:0]

Bit

Bit Name

Initial

Value

R/W

Description

7 to 0

SHEAD01[7:0]

All 0

Channel number value in the subheader before ECC

correction (byte 17)

For sectors not in Mode 2, this register contains the

byte of data at the corresponding position.

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