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SECTION 3
EXPLANATION OF IC TERMINAL
IC701
µ
PD78042AGF-078-3B9 (FL DRIVER)
Pin No.
Pin name
I/O
Description
1
G7
O
2
G6
O
3
G5
O
4
G4
O
FL drive.
5
G3
O
6
G2
O
7
G1
O
8
VDD
–
Power supply (+5V)
9
PLL CE
O
Chip enable output to PLL IC.
10
PLL DATA OUT
O
PLL data output.
11
PLL CLK
I
PLL clock input.
12
PLL DATA IN
I
PLL data input.
13
AST
I
Tuned signal input.
14
ST
I
Stereo signal input.
15
NC
–
Not used. (Ground)
16
NC
–
Not used. (Ground)
17
RESET
I
System reset input.
18
DC CUT
–
Not used. (Open)
19
NC
–
Not used. (Open)
20
AVSS (GND)
–
Ground.
21
MUTE
O
Line mute output.
22
NC
–
Not used. (Open)
23
NC
–
Not used. (Open)
24
NC
–
Not used. (Open)
25
MODEL
–
Not used. (Ground)
26
KEY 3
I
Key input.
27
KEY 2
I
Key input.
28
KEY 1
I
Key input.
29
AVDD
–
Power supply (+5V)
30
AVREF
–
Analog voltage reference.
31
GND
–
Ground.
32
NC
–
Not used. (Open)
33
GND
–
Ground.
34
X1
I
System clock. (5MHz)
35
X2
O
System clock. (5MHz)
36
NC
–
Not used. (Open)
37
POWER SW
I
Power switch input.
38
NC
–
Not used. (Ground)
39
NC
–
Not used. (Ground)
40
NC
–
Not used. (Ground)
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