BU94605AKV Datasheet, PDF (31/84 Pages) Rohm – AAC/WMA/MP3 +SD Memory Card +CD-ROM+MP3 Record

BU94605AKV BU94607AKV BU94702AKV BU94705AKV
11. Serial interface
Slave SPI serial interface
Signal name
I/O
Function
SS_CS
I Slave SPI chip select input
SS_CLK
I Slave SPI clock input
SS_DI
I Slave SPI data input
SS_DO
O Slave SPI data output
This is a slave serial SPI interface terminal.
It supports the SPI format (MODE0, 1, 2 and 3).
You can select the data width from 8, 16 and 32 bit.
An input clock is 2MHz at the maximum.
The interface is available to read and write the specific file data from/to the memory.
11.1 Format
It supports the SPI format (MODE0, 1, 2 and 3).
Datasheet
Remarks
Figure 32. SPI MODE0 Serial format
Figure 33. SPI MODE1 Serial Timing
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TSZ02201-0V2V0E600090-1-2
2012.12.10 Rev.002