Samsung YP-P10 User Manual download pdf (Page 548)

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101

S3C2440A RISC MICROPROCESSOR AC97 CONTROLLER

24-11

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

NTOES:

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

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

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Samsung YP-P10 User Manual Page 548

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