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• IC501 MB90488BPF-G-122-BNDE1 (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No.
1
AREASEL2
2
AREASEL1
3
AREASEL0
4
5
6
7
8
9
10
11
12
13
14
ILLUMI SEL1
15
ILLUMI SEL2
16
17
18
19
20
21, 22
23
24
TE
L 13942296513
25
26
27
28
29
30
31, 32
33
34
35
36
37
38
39
40
41
42
43
44 to 48
49, 50
51
52
53
www
54
55
56
.
57
58
59
http://www.xiaoyu163.com
Pin Name
I/O
I
Destination function setting signal input 2
I
Destination function setting signal input 1
I
Destination function setting signal input 0
COL SW
I
LED color switch signal input
BEEP
O
Beep signal output
LIST SEL
I
List select signal input
NOSE SW
I
Front panel attachment detection signal input "L": with panel
DIAG
I
Condition signal input from power amplifier
VOLATT
O
Electronic volume attenation control signal output
NCO
O
Not used. (Open)
VSS
—
Ground pin
TUATT
O
Tuner mute control signal output
NSMASK
O
Noise mask signal output
I
Illumination voltage setting signal input 1
I
Illumination voltage setting signal input 2
NCO
O
Not used. (Open)
AUXIN
O
AUX light change signal output "L": AUX, "H": BUS IN
CD SI
O
Not used in this set. (Open)
CD SO
O
Not used in this set. (Open)
CD SCK
O
Not used in this set. (Open)
NCO
O
Not used. (Open)
VCC5
—
Power supply pin
EEP SIO
I/O
Serial data input/output for EEPROM communication
EEP CKO
O
Serial clock output for EEPROM communication
AMPSTB
O
Standby signal output to power amplifier
LCD CE
O
Chip enable signal output to LCD driver
LCD SO
O
Serial data signal output to LCD driver
LCD CKO
O
Serial clock signal output to LCD driver
RDS ON
O
RDS on signal output Tuner on: "L"
NCO
O
Not used. (Open)
I2C CKO
O
I2C BUS serial clock signal output
I2C SIO
I/O
I2C BUS serial data signal input/output
DAVDD
—
A/D converter power supply pin
AVRH
—
A/D converter reference power supply pin
DAVSS
—
A/D converter ground pin
QUALITY
I
Noise detection signal input
VSM
I
S-meter voltage detection signal input
KEYIN1
I
Key signal input 1
KEYIN0
I
Key signal input 0
VSS
—
Ground pin
RC IN0
I
Rotary commander key signal input 0
NCO
O
Not used. (Open)
MD0, MD1
I
Operation mode designation signal input Fixed at "H" in this set.
MD2
I
Operation mode designation signal input Fixed at "L" in this set.
KEYACK
I
Key acknowledge detection signal input
TU ATTIN
I
Tuner mute zero cross detection signal input
BUIN
I
Backup power supply detection signal input
x
ao
CD INTQ
O
Not used in this set. (Open)
y
DAVN
I
RDS data block synchronization detection signal input
i
NCO
O
Not used. (Open)
UNISI
I
SONY BUS data signal input
UNISO
O
SONY BUS data signal output
http://www.xiaoyu163.com
8
Q Q
3
6 7
1 3
u163
.
CDX-R3350/R3350C
2 9
9 4
2 8
Pin Description
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
31
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