SH7261 datasheet(822/1348 Pages) RENESAS

Part #	SH7261

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

PDF	1348 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 18 Serial Sound Interface (SSI)

Rev. 2.00 Sep. 07, 2007 Page 790 of 1312

REJ09B0320-0200

2. Sony Format

Figure 18.5 shows Sony format and figure 18.6 shows Matsushita format. Padding is assumed in

both cases, but may not be present in a final implementation if the system word length equals the

data word length.

MSB

LSB

MSB

LSB

SSISCK

SSIWS

SSIDATA

SCKP = 0, SWSP = 0, DEL = 1, CHNL = 00, SPDP = 0, SDTA = 0

System word length > data word length

System word 1

System word 2

Data word 1

Data word 2

Padding

Figure 18.5 Sony Format

(Transmitted and Received in the order of Serial Data and Padding Bits)

3. Matsushita Format

MSB

LSB

System word 1

System word 2

Data word 1

Data word 2

Padding

MSB

LSB

Prev.

SSISCK

SSIWS

SSIDATA

SCKP = 0, SWSP = 0, DEL = 1, CHNL = 00, SPDP = 0, SDTA = 1

System word length > data word length

Figure 18.6 Matsushita Format

(Transmitted and Received in the order of Padding Bits and Serial Data)

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