SH7670 Datasheet, PDF (612/1292 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

Section 16 Serial Sound Interface (SSI)
Figure 16.2 shows a block diagram of the SSI module.
Serial audio bus
SSIDATA
Peripheral bus
SSI module
Control
circuit
Interrupt
request
Register
SSICR
SSISR
SSITDR
SSIRDR
DMA request
Data buffer
Barrel shifter
MSB
Shift register
LSB
SSIWS
Bit counter
SSISCK
Serial clock control
Divider
EXTAL
XTAL
CKIO
AUDIO_CLK
Legend:
SSICR: Control register
SSISR: Status register
SSITDR: Transmit data register
SSIRDR: Receive data register
Figure 16.2 Block Diagram of SSI
Rev. 1.00 Nov. 14, 2007 Page 586 of 1262
REJ09B0437-0100