YMF752 Datasheet, PDF (3/14 Pages) YAMAHA CORPORATION – AC97 Rev2.1 Audio CODEC with SRC

YMF752
PIN DESCRIPTION
No.
Name
I/O
Function
Digital power supply (+3.3V)
1
DVdd1
- Connect to the digital ground with 0.1mF and 47mF capacitors.
Connect this pin to DVdd2.
2
XTL_IN
I 24.576MHz Clock Input
3
XTL_OUT
O 24.576MHz Clock Output
4
DVss1
- Digital ground. Connect this pin to DVss2.
5
SDATA_OUT
I AC’97 Serial Input Stream
6
BIT_CLK
I/O AC’97 Bit Clock
7
DVss2
- Digital ground. Connect this pin to DVss1.
8
SDATA_IN
O AC’97 Serial Output Stream
Digital power supply (+3.3V)
9
DVdd2
- Connect to the digital ground with 0.1mF and 47mF capacitors.
Connect this pin to DVdd1.
10
SYNC
I SYNC Input (Fixed at 48kHz)
11
RESET#
I Hardware Reset
12
PC_BEEP
AI PC Speaker Beep
13
PHONE
AI Telephony Input
14
AUX_L
AI AUX Input Left Channel
15
AUX_R
AI AUX Input Right Channel
16
VIDEO_L
AI Video Audio Input Left Channel
17
VIDEO_R
AI Video Audio Input Right Channel
18
CD_L
AI CD Audio Input Left Channel
CD Audio Analog Ground
19
CD_GND
AI
Connect this pin to CD Ground or Analog Ground.
20
CD_R
AI CD Audio Input Right Channel
21
MIC1
AI Microphone Input 1
22
MIC2
AI Microphone Input 2
23
LINE_IN_L
AI Line Input Left Channel
24
LINE_IN_R
AI Line Input Right Channel
Analog Power Supply (+5.0V)
25
AVdd1
- Connect to the analog ground with 0.1mF and 47mF capacitors.
Connect this pin to AVdd2.
26
AVss1
- Analog ground. Connect this pin to AVss2.
Analog Reference Voltage
27
Vref
AO
Connect to the analog ground with 0.1mF and 10mF capacitors.
28
Vrefout
AO Analog Reference Voltage Output
3
July 2, 1999