SH7261 datasheet(1023/1348 Pages) RENESAS

1023 / 1348 page

Section 21 CD-ROM Decoder (ROM-DEC)

Rev. 2.00 Sep. 07, 2007 Page 991 of 1312

REJ09B0320-0200

21.3.52

CD-ROM Decoder Stream Data Input Register (STRMDIN0)

STRMDIN0 indicates the 1 byte (from MSB) of the 4 bytes of data that is to be input to the CD-

ROM decoder.

76543210

Bit:

Initial value:

R/W:

00000000

R/W

STRMDIN[31:24]

Bit

Bit Name

Initial

Value

R/W

Description

7 to 0

STRMDIN

[31:24]

All 0

R/W

The highest-order byte (MSB) of the 4-byte input to the

CD-ROM decoder

The CD-ROM decoder has a 4-byte wide data window

or set of registers for data input. The data input to these

registers is handled as a data stream. The amount of

data for one sector is 2352 bytes.

21.3.53

CD-ROM Decoder Stream Data Input Register (STRMDIN1)

STRMDIN1 indicates the next 1 byte, in order from STRMDIN0, of the 4-byte input to the CD-

ROM decoder.

76543210

Bit:

Initial value:

R/W:

00000000

R/W

STRMDIN[23:16]

Bit

Bit Name

Initial

Value

R/W

Description

7 to 0

STRMDIN

[23:16]

All 0

R/W

The next byte, in order from STRMDIN0, of the 4-byte

input to the CD-ROM decoder

The CD-ROM decoder has a 4-byte wide data window

or set of registers for data input. The data input to these

registers is handled as a data stream. The amount of

data for one sector is 2352 bytes.

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