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CDX-GT315C
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3 7 63 1515 0
• IC PIN DESCRIPTION
IC501 MB90F045PF-G-9043-SPE1 (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No.
Pin Name
1
AREASEL0
2
AREASEL1
3
AREASEL2
4
B-OUT SEL
5
BEEP
6
NCO
7
DIAG
8
AMPSTB
9
VOLATT
10
NCO
11
VSS
12
TUATT
13
NSMASK
14
ILLUMI SEL
15
COL SEL
16 to 22
NCO
23
VCC5
24
EEP SIO
25
EEP CKO
26
RDS ON
TE
L 13942296513
27
FL CS
28
FL SO
29
FL SCK
30
NCO
31
RE IN0
32
RE IN1
33
I2C SCK
34
I2C SIO
35
DAVDD
36
AVRH
37
DAVSS
38
QUALITY
39
VSM
40
KEYIN1
41
KEYIN0
42
VSS
43
RCIN0
44 to 47
NCO
48
AD ON
49
MD0
50
MD1
51
www
MD2
52
KEYACK
53
TUATTIN
.
30
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I/O
I
Destination setting pin 0
I
Destination setting pin 1
I
Destination setting pin 2
I
Black-out with/without discrimination signal input
O
Beep signal output
O
Not used. (Open)
I
Status signal input from power amplifier
O
Standby signal output to power amplifier
O
Electronic volume attenuate control signal output
O
Not used. (Open)
—
Ground pin
O
Tuner mute control signal output
O
AEP, UK model: Noise mask signal output
I
Illumination voltage setting signal input
I
Two colors change setting signal input
O
Not used. (Open)
—
Power supply pin (+3.3 V)
I/O
EEPROM bus serial data signal input/output
O
EEPROM bus serial clock signal output
AEP, UK model: RDS (Radio Data System) on signal output
O
US, Canadian, E model: Not used.
O
Fluorescent indicator tube chip select signal output
O
Fluorescent indicator tube serial data signal output
O
Fluorescent indicator tube serial clock signal output
O
Not used. (Open)
I
Rotary encoder signal input 0
I
Rotary encoder signal input 1
O
I2C bus serial clock signal output
I/O
I2C bus serial data signal input/output
—
A/D converter power supply pin (+3.3 V)
—
A/D converter external reference power supply pin (+3.3 V)
—
Ground pin
I
AEP, UK model: Noise detect signal input
I
S-meter voltage detect signal input
I
Key signal input 1
I
Key signal input 0
—
Ground pin
I
Rotary commander key signal input
O
Not used. (open)
O
A/D converter power supply control signal output
I
Operation mode setting pin (Connect to VDD.)
I
Operation mode setting pin (Connect to VDD.)
I
Operation mode setting pin (Connect to VSS.)
I
Key acknowledgment detect signal input
x
ao
u163
y
AEP, UK model: Tuner mute zero cross detect signal input
I
i
US, Canadian, E model: Not used.
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2 9
8
Pin Description
US, Canadian, E model: Not used.
Q Q
3
6 7
1 3
1 5
US, Canadian, E model: Not used.
co
.
9 4
2 8
"H": Black-out
Tuner on: "L"
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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