S3C2440A 데이터 시트보기 (PDF) - Samsung

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S3C2440A

32-BIT CMOS MICROCONTROLLER

Samsung 

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

Dma Transfer ..............................................................................................................................21-3

Transmit and Receive Mode..........................................................................................................21-3

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

Overview .............................................................................................................................................22-1

Features .....................................................................................................................................22-1

Block Diagram ............................................................................................................................22-2

SPI Operation .....................................................................................................................................22-3

Programming Procedure...............................................................................................................22-3

SPI Transfer Format.....................................................................................................................22-4

Transmitting Procedure for DMA ...................................................................................................22-5

Receiving Procedure for DMA .......................................................................................................22-5

SPI Special Registers ..........................................................................................................................22-6

SPI Control Register ....................................................................................................................22-6

SPI Status Register.....................................................................................................................22-7

SPI Pin Control Register ..............................................................................................................22-8

SPI Baud Rate Prescaler Register ................................................................................................22-9

SPI Tx Data Register ...................................................................................................................22-9

SPI Rx Data Register...................................................................................................................22-9

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S3C2440A MICROCONTROLLER

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