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S3C2440A MICROCONTROLLER
Table of Contents
(Continued)
Chapter 23
Camera Interface
(Continued)
Preview Pre-Scaler Control Register 1...........................................................................................23-25
Preview Pre-Scaler Control Register 2...........................................................................................23-26
Preview Main-Scaler Control Register............................................................................................23-26
Preview DMA Target Area Register................................................................................................23-26
Preview Status Register...............................................................................................................23-27
Image Capture Enable Register.....................................................................................................23-27
Chapter 24
AC97 Controller
Overview.............................................................................................................................................24-1
Features.....................................................................................................................................24-1
AC97 Controller Operation....................................................................................................................24-2
Block Diagram ............................................................................................................................24-2
Internal Data Path........................................................................................................................24-3
Operation Flow Chart ...........................................................................................................................24-4
AC-Link Digital Interface Protocol..........................................................................................................24-5
AC-Link Output Frame (SDATA_OUT) ...........................................................................................24-6
AC-Link Input Frame (SDATA_IN) .................................................................................................24-6
AC97 Powerdown................................................................................................................................24-7
AC97 Controller Special Registers ........................................................................................................24-9
AC97 Global Control Register (AC_GLBCTRL) ...............................................................................24-9
AC97 Global Status Register (AC_GLBSTAT) ................................................................................24-10
AC97 Codec Command Register (AC_CODEC_CMD).....................................................................24-10
AC97 Codec Status Register (AC_CODEC_STAT) .........................................................................24-11
AC97 PCM Out/In Channel FIFO Address Register (AC_PCMADDR)...............................................24-11
AC97 MIC in Channel FIFO Address Register (AC_MICADDR) ........................................................24-12
AC97 PCM Out/In Channel FIFO Data Register (AC_PCMDATA).....................................................24-12
AC97 MIC in Channel FIFO Data Register (AC_MICDATA)..............................................................24-12