Samsung S5PC110 Manual page 1800

S5PC110_UM
3.4.3 Audio Serial DATA Format ............................................................................................................... 3-4
3.4.4 PCM Word Length and BFS Divider................................................................................................. 3-6
3.4.5 BFS Divider and RFS Divider ........................................................................................................... 3-6
3.4.6 RFS Divider and ROOT Clock.......................................................................................................... 3-7
3.5 Programming Guide................................................................................................................................. 3-8
3.5.1 Initialization ....................................................................................................................................... 3-8
3.5.2 Play Mode (TX mode) with DMA ...................................................................................................... 3-8
3.5.3 Recording Mode (RX mode) with DMA ............................................................................................ 3-8
3.5.4 Example Code .................................................................................................................................. 3-9
3.6 I/O Description ....................................................................................................................................... 3-14
3.7 Register Description............................................................................................................................... 3-15
3.7.1 Register Map .................................................................................................................................. 3-15
4 AC97 Controller ..........................................................................................4-1
4.1 Overview of AC97 Controller ................................................................................................................... 4-1
4.2 Key Features of AC97 Controller ............................................................................................................. 4-1
4.3 AC97 Controller Operation....................................................................................................................... 4-2
4.3.1 Block Diagram of AC97 Controller.................................................................................................... 4-2
4.3.2 Internal Data Path............................................................................................................................. 4-3
4.3.3 Operation Flow Chart ....................................................................................................................... 4-4
4.3.4 AC-link Digital Interface Protocol...................................................................................................... 4-5
4.3.5 AC-link Input Frame (SDATA_IN)..................................................................................................... 4-7
4.3.6 AC97 Power-down............................................................................................................................ 4-9
4.4 I/O Description ....................................................................................................................................... 4-12
4.5 Register Description............................................................................................................................... 4-13
4.5.1 Register Map .................................................................................................................................. 4-13
5 PCM Audio Interface ..................................................................................5-1
5.1 Overview of PCM Audio Interface............................................................................................................ 5-1
5.2 Key Features of PCM Audio Interface ..................................................................................................... 5-1
5.3 PCM Audio Interface................................................................................................................................ 5-2
5.4 PCM Timing ............................................................................................................................................. 5-3
5.5 I/O Description ......................................................................................................................................... 5-5
5.6 Register Description................................................................................................................................. 5-6
5.6.1 Register Map .................................................................................................................................... 5-6
6 SPDIF Transmitter ......................................................................................6-1
6.1 Overview of SPDIF Transmitter ............................................................................................................... 6-1
6.2 Key Features of SPDIF Transmitter......................................................................................................... 6-1
6.3 Block Diagram of SPDIF Transmitter....................................................................................................... 6-2
6.4 Functional Descriptions............................................................................................................................ 6-3
6.4.1 Data Format of SPDIF ...................................................................................................................... 6-3
6.4.2 Channel Coding ................................................................................................................................ 6-5
6.4.3 Preamble .......................................................................................................................................... 6-5
6.4.4 Non-Linear PCM Encoded Source (IEC 61937)............................................................................... 6-6
6.4.5 SPDIF Operation .............................................................................................................................. 6-7
6.4.6 Shadowed Register .......................................................................................................................... 6-8
6.5 I/O Description ......................................................................................................................................... 6-9
6.6 Register Description............................................................................................................................... 6-10
6.6.1 Register Map .................................................................................................................................. 6-10
1 AUDIO SUBSYSTEM
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