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xvi S3C2410A MICROPROCESSOR
Table of Contents (Continued)
Chapter 21 IIS-BUS Interface
Overview.............................................................................................................................................21-1
Block Diagram ....................................................................................................................................21-2
Functional Descriptions........................................................................................................................21-2
Transmit or Receive Only Mode ....................................................................................................21-2
Audio Serial Interface Format................................................................................................................21-3
IIS-Bus Format............................................................................................................................21-3
MSB (Left) Justified .....................................................................................................................21-3
Sampling Frequency and Master Clock .........................................................................................21-4
IIS-Bus Interface Special Registers .......................................................................................................21-5
IIS Control (IISCON) Register........................................................................................................21-5
IIS Mode Register (IISMOD) Register.............................................................................................21-6
IIS Prescaler (IISPSR) Register.....................................................................................................21-7
IIS FIFO Control (IISFCON) Register..............................................................................................21-8
IIS FIFO (IISFIFO) Register...........................................................................................................21-8
Chapter 22 SPI Interface
Overview.............................................................................................................................................22-1
Features.....................................................................................................................................22-1
Block Diagram ............................................................................................................................22-2
SPI Operation .............................................................................................................................22-3
SPI Special Registers..........................................................................................................................22-7
SPI Control Register....................................................................................................................22-7
SPI Status Register.....................................................................................................................22-8
SPI Pin Control Register ..............................................................................................................22-9