SH7764 Datasheet, PDF (675/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 18 Serial Sound Interface (SSI)
Section 18 Serial Sound Interface (SSI)
The serial sound interface (SSI) is a module designed to send or receive audio data interface to or
from a variety of devices offering Compatibility with Philips and other formats. It also provides
additional modes for other common formats, as well as support for a multi-channel mode.
18.1 Features
18.1.1 SSI Module Configuration
The SSI module consists of the following blocks:
• SSI_DMAC0 and SSI_DMAC1
• SSI_CH0, SSI_CH1, SSI_CH2, SSI_CH3, SSI_CH4, and SSI_CH5
• SSI_CLKSEL
18.1.2 SSI Features
The SSI has the following features:
• Number of channels: Six channel
• Operating modes: Non-compressed mode
The non-compressed mode supports all serial audio streams divided into channels.
• The SSI module is configured as any of a transmitter or receiver. The serial bus format can be
used.
• Asynchronous transfer between the buffer and the shift register
• Division ratios of the serial bus interface clock can be selected.
• Data transmission and reception can be controlled by the SSI_DMAC0/1 or interrupts.
• Audio clock can be selected for each channel.
• Serial bit clock or serial word select signal can be selected for each channel.
Rev. 1.00 Nov. 22, 2007 Page 619 of 1692
REJ09B0360-0100