SH7760 Datasheet, PDF (732/1345 Pages) Renesas Technology Corp – SuperHTM RISC engine

Serial audio bus
SSI_SDATA
SSI_SCK
SSI_WS
HAC_BIT_CLK
SSI bridge bus
SSI module
Interrupt
request
Control circuit
Register
SSICR
SSISR
SSITDR
SSIRDR
DMA request
Data buffer
Barrel shifter
MSB
Shift register
LSB
Bit counter
Serial clock control
Divider
Figure 20.1 Block Diagram of SSI Module
20.2 Input/Output Pins
Table 20.1 lists the pin configurations relating to the SSI module.
Table 20.1 Pin Configuration
Name
SSI_SCK0
SSI_WS0
SSI_SDATA0
HAC_BIT_CLK0
SSI_SCK1
SSI_WS1
SSI_SDATA1
HAC_BIT_CLK1
Number of Pins
1
1
1
1
1
1
1
1
I/O
Input/Output
Input/Output
Input/Output
Input
Input/Output
Input/Output
Input/Output
Input
Function
Serial bit clock
Word select
Serial data input/output
Divider input clock (oversampling clock)
Serial bit clock
Word select
Serial data input/output
Divider input clock (oversampling clock)
Rev. 1.0, 02/03, page 682 of 1294