參數(shù)資料
型號: STAC9708
廠商: Electronic Theatre Controls, Inc.
元件分類: Codec
英文描述: Multi-Channel AC97 Codec With Multi-Codec Option
中文描述: 多聲道AC97編解碼器與多編解碼器方案
文件頁數(shù): 9/56頁
文件大?。?/td> 247K
代理商: STAC9708
SigmaTel, Inc.
Preliminary
STAC9708/11
9
10/02/98
1
.
PIN/SIGNAL DESCRIPTIONS
1.1 Digital I/O
These signals connect the
STAC9708/11
to its AC'97 controller counterpart, an external crystal, multi-
codec selection and external audio amplifier.
Table 3
. Digital Signal List
SIGNAL NAME
TYPE
DESCRIPTION
RESET #
I
AC'97 Master H/W Reset
XTL_IN
I
24.576 MHz Crystal
XTL_OUT
O
24.576 MHz Crystal
SYNC
I
48 kHz fixed rate sample sync
BIT_CLK
O
12.288 MHz serial data clock
SDATA_OUT
I
Serial, time division multiplexed, AC'97 input stream
SDATA__IN
O
Serial, time division multiplexed, AC'97 output stream
CID0
I
Multi-Codec ID select – bit 0
CID1
I
Multi-Codec ID select – bit 1
EAPD
O
External Amplifier Power Down
# denotes active low
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