AT83SND2C_14 Datasheet, PDF (165/242 Pages) ATMEL Corporation – MPEG I/II-Layer 3 Hardwired Decoder

AT8xC51SND2C/MP3B
Figure 19-12. Slave SPI Interrupt Policy Flows
SPI Initialization
Interrupt Policy
SPI Interrupt
Service Routine
Select Slave Mode
MSTR = 0
Select Format
program CPOL & CPHA
Enable interrupt
ESPI =1
Enable SPI
SPEN = 1
Prepare Transfer
write data in SPDAT
Get Status
Read SPSTA
Get Data Received
read SPDAT
Prepare New Transfer
write data in SPDAT
4341H–MP3–10/07
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