Samsung S3C2440A User Manual download pdf (Page 512)

100

101

AC97 CONTROLLER S3C2440A RISC MICROPROCESSOR

24-10

AC97 CODEC STATUS REGISTER (AC_CODEC_STAT)

AC_CODEC_STAT 0x5B00000C R AC97 Codec Status Register 0x00000000

AC_CODEC_STAT Bit Description Initial State

Reserved

[31:23] 0x00

Address

[22:16] CODEC Status Address 0x00

Data

[15:0] CODEC Status Data 0x0000

Note: If you want to read data from AC97 codec register via the AC_CODEC_STAT register, you should follow these steps.

1. Write command address and data on the AC_CODEC_CMD register with Bit [23] =1.

2. Have a delay time.

3. Read command address and data from AC_CODEC_STAT register.

AC97 PCM OUT/IN CHANNEL FIFO ADDRESS REGISTER (AC_PCMADDR)

AC_PCMADDR 0x5B000010 R AC97 PCM Out/In Channel FIFO Address Register 0x00000000

AC_PCMADDR Bit Description Initial State

Reserved

[31:28] 0000

Out Read Address

[27:24] PCM out channel FIFO read address 0000

Reserved

[23:20] 0000

In Read Address

[19:16] PCM in channel FIFO read address 0000

Reserved

[15:12] 0000

Out Write Address

[11:8] PCM out channel FIFO write address 0000

Reserved

[7:4] 0000

In Write Address

[3:0] PCM in channel FIFO write address 0000

1 2 ... 507 508 509 510 511 512 513 514 515 516 517 ... 559 560

Comments to this Manuals

No comments

Samsung S3C2440A User Manual Page 512

Comments to this Manuals

Related products and manuals for Laptops Samsung S3C2440A