參數(shù)資料
型號(hào): TLC320AD90C
廠商: Texas Instruments, Inc.
元件分類: Codec
英文描述: Stereo Audio Codec(立體聲音頻編碼譯碼器)
中文描述: 立體聲音頻編解碼器(立體聲音頻編碼譯碼器)
文件頁(yè)數(shù): 15/51頁(yè)
文件大?。?/td> 219K
代理商: TLC320AD90C
2–2
The TLC320AD90C data streams, per the AC‘97 specification, are the following:
PCM playback has two output slots with a two channel composite PCM output stream
PCM record has two input slots with a two channel composite PCM input stream
Control has two output slots with a Control register write port
Status has two input slots with a Control register read port
Additional data streams are defined in the AC‘97 specification but their functionality are not
implemented in the TLC320AD90C
The AC‘97 audio frame is shown in Figure 2–1.
SLOT
CMD
Addr
CMD
Data
PCM
Left
PCM
RightRsrvd Rsrvd Rsrvd Rsrvd Rsrvd Rsrvd Rsrvd Rsrvd
TAG
Status
Addr
Status
Data
PCM
Left
PCM
RightRsrvd Rsrvd Rsrvd Rsrvd Rsrvd Rsrvd Rsrvd Rsrvd
TAG
0
1
2
3
4
5
6
7
8
9
10
11
12
Data Phase = 12 Slots
20 Bits = 240 Bits
Tag Phase = 16 Bits
SYNC
SDATA_OUT
SDATA_IN
Figure 2–1. AC-Link Bidirectional Audio Frame (As Implemented)
2.2.1
The AC-Link signals are shown in Figure 2–2.
AC-Link Signal Definitions
AC‘97 Compliant
Digital Controller
TLC320AD90C
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
RESET
Figure 2–2. AC-Link Signals
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