stac9708 ETC-unknow, stac9708 Datasheet - Page 9

• Manufacturer Part Number: stac9708
• Description: Multi-channel Ac97 Codec With Multi-codec Option
• Manufacturer: ETC-unknow

SigmaTel, Inc.
1
.
PIN/SIGNAL DESCRIPTIONS
# denotes active low
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.
SIGNAL NAME
SDATA_OUT
SDATA__IN
XTL_OUT
BIT_CLK
RESET #
XTL_IN
SYNC
EAPD
CID0
CID1
TYPE
O
O
O
O
I
I
I
I
I
I
Serial, time division multiplexed, AC'97 output stream
Serial, time division multiplexed, AC'97 input stream
Table 3. Digital Signal List
Preliminary
9
External Amplifier Power Down
48 kHz fixed rate sample sync
12.288 MHz serial data clock
Multi-Codec ID select – bit 0
Multi-Codec ID select – bit 1
AC'97 Master H/W Reset
24.576 MHz Crystal
24.576 MHz Crystal
DESCRIPTION
STAC9708/11
10/02/98