Pioneer DEH-2800 Service Manual - Page 61

Pin FunctionsPD6340A, NJM2885DL1-33

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5 6 7 NJM2885DL1-33 Thermal Protection Bandgap Reference +- 1 2 3 IN GND OUT - Pin Functions(PD6340A) Pin No. Pin Name I/O 1-5 SEG4-0 O 6-9 COM3-0 O 10 VLCD 11-14 KST3-0 O 15,16 KDT0,1 I 17 REW I 18 DPDT I 19 NC 20 KYDT O 21 MODA 22 X0 23 X1 24 VSS 25,26 KDT2,3 I 27 NC 28 KST4 O 29-32 NC 33-55 SEG35-13 O 56 VDD 57-64 SEG12-5 O * PD6340A Function and Operation LCD segment output LCD common output LCD drive power supply Key strobe output Key data input (analogue input) Remote control reception input Display data input Not used Key data output GND Crystal oscillator connection pin Crystal oscillator connection pin GND Key data input Not used Key strobe output Not used LCD segment output Power supply LCD segment output 16 1 64 17 49 5 48 33 32 DEH-2800MP/XN/UC 6 7 8 A B C D E F 8 61

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DEH-2800MP/XN/UC
61
5
6
7
8
5
6
7
8
C
D
F
A
B
E
NJM2885DL1-33
IN
1
GND
2
OUT
3
Bandgap
Reference
Thermal
Protection
+
-
-
Pin Functions(PD6340A)
Pin No.
Pin Name
I/O
Function and Operation
1-5
SEG4-0
O
LCD segment output
6-9
COM3-0
O
LCD common output
10
VLCD
LCD drive power supply
11-14
KST3-0
O
Key strobe output
15,16
KDT0,1
I
Key data input (analogue input)
17
REW
I
Remote control reception input
18
DPDT
I
Display data input
19
NC
Not used
20
KYDT
O
Key data output
21
MODA
GND
22
X0
Crystal oscillator connection pin
23
X1
Crystal oscillator connection pin
24
VSS
GND
25,26
KDT2,3
I
Key data input
27
NC
Not used
28
KST4
O
Key strobe output
29-32
NC
Not used
33-55
SEG35-13
O
LCD segment output
56
VDD
Power supply
57-64
SEG12-5
O
LCD segment output
* PD6340A
49
48
33
32
17
16
1
64