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S3C24A0A

32-BIT RISC MICROPROCESSOR

Samsung 

Table of Contents (Continued)

Chapter 15 SPI Interface

Overview........................................................................................................................................................15-1

Features................................................................................................................................................15-1

Block Diagram ......................................................................................................................................15-2

SPI Operation ................................................................................................................................................15-3

SPI Special Registers....................................................................................................................................15-6

SPI Control Register .............................................................................................................................15-6

SPI Status Register ..............................................................................................................................15-7

SPI Pin Control Register.......................................................................................................................15-8

SPI Baud Rate Prescaler Register .......................................................................................................15-9

SPI Tx Data Register ............................................................................................................................15-9

SPI Rx Data Register............................................................................................................................15-9

Chapter 16 AC97 Controller

Overview........................................................................................................................................................16-1

Feature .................................................................................................................................................16-1

AC97 Controller Operation ............................................................................................................................16-2

Block Diagram ......................................................................................................................................16-2

Internal Data Path.................................................................................................................................16-3

Operation Flow Chart ....................................................................................................................................16-4

AC-link Digital Interface protocol...................................................................................................................16-5

AC-link Output Frame (SDATA_OUT)..................................................................................................16-6

AC-link Input Frame (SDATA_IN).........................................................................................................16-6

AC97 Powerdown..........................................................................................................................................16-7

AC97 Controller Special Registers................................................................................................................16-9

AC97 Global Control Register (AC_GLBCTRL) ...................................................................................16-9

AC97 Global Status Register (AC_GLBSTAT).....................................................................................16-10

AC97 Codec Command Register (AC_CODEC_CMD) .......................................................................16-11

AC97 Codec Status Register (AC_CODEC_STAT).............................................................................16-11

AC97 PCM Out/In Channel FIFO Address Register (AC_PCMADDR) ...............................................16-11

AC97 MIC in Channel FIFO Address Register (AC_MICADDR) .........................................................16-12

AC97 PCM Out/In Channel FIFO Data Register (AC_PCMDATA)......................................................16-12

AC97 MIC in Channel FIFO Data Register (AC_MICDATA)................................................................16-12

S3C24A0A MICROPROCESSOR

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