YMF743 Datasheet, PDF (4/24 Pages) YAMAHA CORPORATION – AC’97 Revsion2.1 Audio CODEC with Digital Audio I/F

YMF743
No.
Name
I/O
Function
29
CAP1
A Connect to the analog ground with a 2200pF capacitor.
30
CAP2
A Connect to the analog ground with a 0.015mF capacitor.
31
CAP3
A Connect to the analog ground with a 0.01mF capacitor.
32
CAP4
A Connect to the analog ground with 2200pF capacitors.
33
CAP5
A Connect to the analog ground with a 0.015mF capacitor.
34
CAP6
A Connect to the analog ground with a 0.01mF capacitor.
35
LINE_OUT_L
AO Line Output Left Channel
36
LINE_OUT_R AO Line Output Right Channel
37
MONO_OUT
AO Monaural Output
Analog power supply (+5.0V)
38
AVdd2
- Connect to the digital ground with 0.1mF and 47mF capacitors.
Connect this pin to Avdd1.
39
LNLVL_OUT_L AO True LINE Level Output Left Channel
40
MSEL
I Mode Select, which changes the pin function of No.43 – 46, 48.
41
LNLVL_OUT_R AO True LINE Level Output Right Channel
42
AVss2
- Analog ground. Connect to Avss1.
The function is selected at 62h TX bit.
47
EAPD (DIT)
O TX=“0”, External Amplifier Power Down
TX=“1”, Digital Audio Interface Output (48kHz)
1. MSEL= “High” (Connect to analog power supply.)
No.
Name
I/O
Function
43
ZV_LR
I- Zoomed Video Port L/R clock
44
ZV_SIN
I- Zoomed Video Port serial data
45
Reserved
- Do not connect externally.
46
EXT24M
O 24.576MHz clock output
48
ZV_BCK
I- Zoomed Video Port bit clock
2. MSEL= “Low” (Connect to analog ground.)
No.
Name
I/O
Function
43
DIT
O Digital Audio Interface Output (48kHz)
44
Reserved
- Do not connect externally.
45
CODEC ID0#
I+ CODEC ID
46
CODEC ID1#
I+ CODEC ID
48
Reserved
- Do not connect externally.
Note) AI: Analog Input Pin, AO: Analog Output Pin, I+: Input Pin with a Pull-up resistor,
I-: Input Pin with a Pull-down resistor
4
December 18, 2000