44
CFD-S35CP
• IC Pin Function Description
MAIN BOARD IC801 uPD784216AGF (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
TU-CE
O
Tuner PLL chip enable signal output
2
TU-DATA
O
Tuner PLL data signal output
3
TU-CLK
O
Tuner PLL clock signal output
4
TU-COUNT
I
Tuner PLL data signal input
5
TU-MUTE
O
IF mute signal output
6
SIMUKE1
I
Destination port input
7
SIMUKE2
I
Destination port input
8
TEST B
I
Not used. (Pull down)
9
VDD
—
Power supply
10
TEST A
I
Not used. (Pull down)
11
EPROM-SCL
O
EEPROM serial clock output
12
EPROM-SDA
I/O
EEPROM serial data input/output
13
SIMUKE3
I
Destination port input
14 to 16
NC
—
Not used. (Open)
17, 18
ISS1, ISS2
O
Tuner beat change signal output
19
TU-ON
O
Tuner power supply control signal output
20
TAPE-ON
O
Tape power supply control signal output
21
CD-ON
O
CD power supply control signal output
22
TEST/VPP
I
Not used. (Pull down))
23, 24
NC
—
Not used. (Open)
25
SLEEP-LED
O
LCD back light control signal output
26, 27
NC
—
Not used. (Open)
28
MP3-LED
O
MP3 LED control signal output
29
LCD-RST
O
LCD driver reset signal output
30
LCD- C/D
O
LCD driver command data output
31
LCD CS
O
LCD driver chip select signal output
32
LCD DATA
O
LCD driver serial data output
33
LCD CLK
O
LCD driver serial clock signal output
34
NC
—
Not used. (Open)
35
FM/AM SHIFT
O
Tuner band control signal output
36
NC
—
Not used. (Open)
37
VDD
—
Power supply
38
X2
O
Oscillation signal output (5 MHz)
39
X1
I
Oscillation signal input (5 MHz)
40
VSS
—
Ground
41
XT2
O
Not used. (Open)
42
XT1
I
Not used. (connected ground)
43
RESET
I
System reset signal input
44
AC-CHK
I
AC power supply check signal input
45
RMC IN
I
Remote control signal input
46
WAKE-UP
I
Key interrupt signal input
47
INITLI
I
Mode read signal input
48
CD-DOOR
I
CD door detection signal input
49
INTB(MP3)
I
Interrupt signal input from MP3 decoder
50
WRQ(CD)
I
CD write request data input
51
AVDD
—
Power supply
52
AVREF0
I
A/D reference voltage input
Summary of Contents for CFD-S35CP
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