34
KEH-1900,1950
-
Pin Functions (PE5107A)
Pin No.
Pin Name
I/O
Format
Function and Operation
1
mcmute
I
Cassette mechanism mute input
2
tapld
I
Tape loading input
3
EO
O
C
Error output
4
VDD1
Power supply
5
GND
GND
6
VCOIN
I
AM/FM VCO input
7
CE
I
ACC power sense input
8
VDD2
Power supply
9
LCK
I/O
C
Serial clock input and output for LCD driver
10
LDT
O
C
Data output for LCD driver
11
LDI
I
Key/LCD driver data input
12
FMSD
I
FM SD input
13
AMIF
I
AM IF signal input
14
SL
I
Signal level input
15
st
I
FM stereo input
16
sk
Not used
17
DK
Not used
18
swvdd
O
C
Grille power supply control output
19
NC
Not used
20
VST
O
C
Strobe pulse output for electronic volume
21
VCK
O
C
Clock output for electronic volume
22
VDT
O
C
Data output for electronic volume
23
NC
Not used
24
XO
O
Crystal oscillator connection pin
25
XI
I
Crystal oscillator connection pin
26
GND
GND
27–30
NC
Not used
31
TEST
I
Test program mode input
32
dsens
I
Grille detach sense input
33,34
GND
GND
35–38
NC
Not used
39
mute
O
C
System mute output
40
DMINH
O
C
Mechanism mute cancel output
41,42
NC
Not used
43
SYSPW
O
C
System power supply control output
44–48
NC
Not used
49
MS
Not used
C
Cassette mechanism power output
C
AM power control output
C
LOC “L“ output
C
LOC “H” output
C
FM power control output
C
Seek output
Not used
C
LW output
GND
Not used
Not used
Model,function input
62
DM0
I
Model,function input
63
nor
/
REV
I
Tape running input
64
GND
GND
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