36
KEH-M6036ZH,M6236ZH
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Pin Functions (PD4944A)
Pin No.
Pin Name
I/O
Format
Function and Operation
1
VST
O
C
Strobe pulse output for electronic volume
2
VCK
O
C
Clock output for electronic volume
3
VDT
O
C
Data output for electronic volume
4
AVSS
I
A/D GND
5,6
NC
Not used
7
AVREF1
(Connect to VDD)
8
KYDT
I
Key data input
9
DPDT
O
C
Display data output
10–13
NC
Not used
14
LCDBK
O
C
LCD back light output
15
RDSTEST
I
RDS test input
16
RDSDI
I
Serial data input for RDS IC
17
RDSDO
O
C
Serial data output for RDS IC
18
RDSCK
O
C
Serial clock for RDS IC
19
RDSRST
O
C
Reset output for RDS IC
20
RDSSEL
O
C
Select output for RDS IC
21–29
NC
Not used
30
DMINH
O
C
31
MECPW
O
C
Cassette mechanism power output
32
taplod
I
Tape loading sense input
33
VSS
GND
34
mcmute
I
Cassette mechanism mute input
35
NR
I
Tape running input
36
swvdd
O
N
Grille power supply control output
37,38
NC
Not used
39
tumute
O
N
Tuner mute output
40
NC
Not used
41
syspw
O
C
System power supply control output
42
PDI
I
Data input from PLL IC
43
PCK
O
C
Serial clock output for PLL IC
44
PDO
O
C
Data output for PLL IC
45
PEE
O
C
Beep tone output
46
PEE1
O
C
Beep tone output
47
PCE2
O
C
Chip enable output for PLL IC
48
NC
Not used
49
TELIN
I
Telephone mute input
50
FMSD
I
FM SD input
I
O
C
Power supply control output for IP BUS interface IC
O
C
Slave power supply control output
Not used
O
C
IP driver data output
I
Not used
O
C
Mute output
I
Reset input
I
Ready input from RDS IC
I
Back up power sense input
I
ACC power sense input
64
NC
Not used
65
dsens
I
Grille detach sense
66
EJECT
I
67
adpw
O
C
Control output for analog input reference power
68
VDD
Power supply
69
X2
Crystal oscillator connection pin
70
X1
Crystal oscillator connection pin
71
IC
GND
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