ASAHI KASEI
[AK4702]
PIN/FUNCTION (Continued)
Ground Pin. 0V.
DAC Power Supply Pin. 5V
Normally connected to VSS with a 0.1
µ
F ceramic capacitor in parallel with a
10
µ
F electrolytic cap.
39
MCLK
I
Master Clock Input Pin
An external TTL clock should be input on this pin.
40
BICK
I
Audio Serial Data Clock Pin
41
SDTI
I
Audio Serial Data Input Pin
42
LRCK
I
L/R Clock Pin
43
SCL
I
Control Data Clock Pin
44
SDA
I/O
Control Data Pin
45
PDN
I
Power-Down Mode Pin
When at “L”, the AK4702 is in the power-down mode and is held in reset. The
AK4702 should always be reset upon power-up.
46
RFV
O
Composite Output Pin for RF modulator
47
VCRVOUT
O
Composite/Luminance Output Pin for VCR
48
TVFB
O
Fast Blanking Output Pin for TV
Note: All input pins except pull-up/down pin should not be left floating.
37
38
VSS
VD
-
-
MS0187-E-00
-6-
2002/11
AKM [ ASAHI KASEI MICROSYSTEMS ]
