72
FH-P404
*PD4982A
64
1
16
17
32
33
48
49
-
Pin Functions(PD4942A)
Pin No.
Pin Name
I/O
Function and Operation
1–3
NC
Not used
4
AVSS
A/D GND
5,6
NC
Not used
7
AVREF1
(Connect to VDD)
8
DSPIN
I
UART serial data input
9
ACK
O
Enable output
10,11
NC
Not used
12
FL_b
O
Driver bit data output
13
FLclk
O
Driver clock data output
14,15
NC
Not used
16
TESTIN
I
Test program mode input
17
TESTOUT
O
Test program mode output
18
TESTCLK
I/O
Test data clock input/output
19–32
NC
Not used
33
GND
GND
34–43
NC
Not used
44
FLblk
O
Driver blank output
45
fl
ctb
O
Driver latch strobe output
46
fl
inv
O
Driver output
47–51
NC
Not used
52
SPA
O
Spectrum analyzer clock output
Spectrum analyzer MONO/STEREO select output
Spectrum analyzer strobe signal output
Not used
Reset input
Not used
Test data input
Chip enable input
Not used
Power supply
Crystal oscillator connection pin
Crystal oscillator connection pin
71
GND
GND
72
NC
Not used
73
GND
GND
74
AVDD
Connect to VDD
75
AVREF0
GND
76
SPIN
I
Spectrum analyzer data input
77–80
NC
Not used
*PD4942A
80
1
20
21
40
41
60
61
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