Samsung S3C2451X, User Manual

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Preliminary
AC97 CONTROLLER S3C2451 RISC MICROPROCESSOR
27-16
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
AC97 MIC IN CHANNEL FIFO ADDRESS REGISTER (AC_MICADDR)
To index the internal MIC-in FIFO address.
Register Address R/W Description Reset Value
AC_MICADDR 0x5B000014 R AC97 Mic In Channel FIFO Address Register 0x00000000
AC_MICADDR Bit Description Initial State
-
[31:20] Reserved. 0000
Read address
[19:16] MIC in channel FIFO read address 0000
-
[15:4] Reserved. 0x000
Write address
[3:0] MIC in channel FIFO write address 0000
AC97 PCM OUT/IN CHANNEL FIFO DATA REGISTER (AC_PCMDATA)
This is PCM out/in channel FIFO data register.
Register Address R/W Description Reset Value
AC_PCMDATA 0x5B000018 R/W AC97 PCM Out/In Channel FIFO Data Register 0x00000000
AC_PCMDATA Bit Description Initial State
Right data
[31:16] PCM out/in right channel FIFO data
Read : PCM in right channel
Write : PCM out right channel
0x0000
Left data
[15:0] PCM out/in left channel FIFO data
Read : PCM in left channel
Write : PCM out left channel
0x0000
AC97 MIC IN CHANNEL FIFO DATA REGISTER (AC_MICDATA)
This is MIC-in channel FIFO data register.
Register Address R/W Description Reset Value
AC_MICDATA 0x5B00001C R AC97 MIC In Channel FIFO Data Register 0x00000000
AC_MICDATA Bit Description Initial State
-
[31:16] Reserved 0x0000
Mono data
[15:0] MIC in mono channel FIFO data 0x0000