beautypg.com

Samsung S3C2440A User Manual

Page 513

background image

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