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SCU-2456ZRN,2556ZRN
7.2 IC
-
Pin Functions(PE5157A)
Pin No.
Pin Name
avpow
1
2
PEE
brxen
3
binh
4
5
A/b
auxmute
6
7
MUTE
8
BSET
9
VSS
10
NC
11
ACCMUTE
12
NC
brst
13
14
AMPMUTE
15
SYSPW
16
PCE
am/FM
17
bsrq
18
19
RDSSEL
rdsrst
20
rdsen
21
kdt),!
22,23
24
VSS
kdt@
25
26
NC
kst)-@
27-29
30
NC
31
VDT
32
VST
33
VCK
tmute
34
35
RESET
36
REMIN
bsens
37
asens
38
*vsens
39
40
VDD
41
X2
42
X1
43
IC
44
XT2
45
XT1
46
AVSS
47
SL
48
K7MUTE
49
CDMUTE
50
PDI
51
RDSRDY
52
SD
testin
53
54
TELMUT
55
AVDD
56
AVREF
57
RDSDTI
58
RDSDTO
rdsck
59
60
PDO
38
I/O
Format
Function and Operation
O
C
A Vref watching terminal
O
C
Beep tone output
I/O
C
Communication reception enable input/output
O
C
Communication data input inhibit
I
Model select
O
C
AUX mute
O
C
Synthesis mute output
O
C
BUS communication reset output
GND
Not used
O
C
ACC ON mute
Not used
O
C
Reset output
O
C
Amp Mute output
O
C
System power supply control output
O
C
Chip enable output for PLL IC
O
C
AM/FM select output
I
Communication request input
O
C
Select output for RDS IC
O
C
Reset output for RDS IC
O
C
Enable output for RDS IC
I
Key data 0,1
GND
I
Key data 2
Connect to GND
O
C
Key strobe 0-2
Not used
O
C
Data output for electronic volume
O
C
Strobe pulse output for electronic volume
O
C
Clock output for electronic volume
O
C
Tuner mute output
I
Reset input
I
Remote control pulse input
I
Back up power sense input
I
ACC power sense input
I
8V sense input
Power supply
Crystal oscillator connection pin
Crystal oscillator connection pin
Connect to GND
Not used
Connect to GND
I
A/D GND
I
Tuner SD level detector input
O
Mute control output for cassette
O
Mute control output for CD
I
Data input from PLL IC
I
Ready input from RDS IC
I
SD input
I
Test program mode input
I
Telephone mute signal input
Positive power supply terminal for analog circuit
I
Reference voltage
I
Serial data input for RDS IC
O
Serial data output for RDS IC
I/O
C
Serial clock output for RDS IC
O
C
Data output for PLL IC
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