RXD-M35
13
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Pin Description
1~10
DGT(13~4)
12~15
DGT(3~0)
O
Output pin of Grid.
11,17
N.C.(1,2)
-
Unused.
16
VPP
-
Power supply (-) for FL driver.
18
VDD
-
Power supply for (+5.0V) FL driver.
19
OSC1
I
Crystal oscillation circuit input.
20
OSC2
O
Crystal oscillation circuit output.
21
VSS
-
GND
Serial data transfer pin.
22
CE
I
Chip select input.
23
S.CK
I
Synchronism clock input.
24
S.DI
I
Transfer data input.
25
S.DO
O
Input pin of system reset.
26~30
P30~P34
O
Control port of current buffer.
31~44
SEG(0~13)
O
Output pin of segment.
6-7 FL Driver : MN12510F (IC801)
Pin No.
Pin Name
I/O
Description
1
LIN
I
Left channel input.
2
LNF
I
Left channel feed back.
3
-VS
-
Power supply (-B)
4
LOUT
O
Left channel output.
5
+VS
-
Power supply (+B)
6-8 Power Amplifier (L Channel) : TDA2030A (IC602)
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9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
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