Laptop User Manual

S3C2440A RISC MICROPROCESSOR AC97 CONTROLLER
24-11
AC97 MIC IN CHANNEL FIFO ADDRESS REGISTER (AC_MICADDR)
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
Reserved
[31:20] 0000
Read Address
[19:16] MIC in channel FIFO read address 0000
Reserved
[15:4] 0x000
Write Address
[3:0] MIC in channel FIFO write address 0000
AC97 PCM OUT/IN CHANNEL FIFO DATA REGISTER (AC_PCMDATA)
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
Left Data
[31:16]
PCM out/in left channel FIFO data
Read : PCM in left channel
Write : PCM out left channel
0x0000
Right Data
[15:0]
PCM out/in right channel FIFO data
Read : PCM in right channel
Write : PCM out right channel
0x0000
AC97 MIC IN CHANNEL FIFO DATA REGISTER (AC_MICDATA)
Register Address R/W Description Reset Value
AC_MICDATA 0x5B00001C R/W AC97 MIC In Channel FIFO Data Register 0x00000000
AC_MICDATA Bit Description Initial State
Reserved
[31:16] 0x0000
Mono Data
[15:0] MIC in mono channel FIFO data 0x0000