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Pin
Mark
I/O Function
No.
1~2
KEY2~KEY1
3
THERM/
OVLD
4
KEY 4
5
OVERLOAD2
6
FMST
7
WAKE
8
RDS DI
9
REMOTE
10
RESET
11
RDS CK
12
RDS DT
13
GND
14
XIN
15
XOUT
16
VDD (+5V)
17
LED CK
18
LED DATA
19
SFC1
20
SFC2
21
SEL1
22
HOLD
23
SEL2
24
D.PASS
25
RLY
26
LOUDNESS
27
VGCA
28
VEE
29
S/C SP
30
SP B
31
SP A
32
AF MUTE
I Key Input 1~2
I Thermal/Over load input
I Key Input 4
I Thermal/Over load input 2
I Stereo signal detect
terminal
- Wake up timer LED (Not
used, open)
- Control of RDS IC(Not
used, open)
I Remote control terminal
- Reset detect terminal
- Control of RDS IC (CK)
clock signal (Not used,
open)
- Control of RDS IC (DT)
data signal (Not used,
open)
- GND terminal
I Crystal oscillator terminal
(4 MHz)
O Crystal oscillator terminal
(4 MHz)
- Power supply terminal +5V
O LED driver IC (CK) clock
signal
O LED driver IC (DT) data
signal
I SFC mode encoder input 1
I SFC mode encoder input 2
I Selector encoder for input 1
I Blackout detection terminal
I Selector encoder for input 2
O DSP signal selector
O Relay control output
O Loudness control output
(Not used, open)
- VGCA ON/OFF
- Power supply for FL driver
O Surround/Center speaker
control output
O Speaker B control output
O Speaker A control output
O Muting control output
26
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