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MAIN BOARD IC801 uPD7894216AGF-561-3BA-A (SYSTEM CONTROLLER)
Pin No.
Pin Name
1
2
TU-DATA
3
4
TU-COUNT
5
TU-MUTE
6
SIMUKE1
7
SIMUKE2
8
9
10
11
EPROM-SCL
12
EPROM-SDA
13
SIMUKE3
14
15
16
MIC_JACK
17
18
19
20
TAPE-ON
TE
21
L 13942296513
22
TEST/VPP
23
24
25
26
27
28
BUF-CTL
29
LCD-RST
30
LCD INH
31
32
LCD DATA
33
LCD CLK
34
35
FM/AM SHIFT
36
37
38
39
40
41
42
www
43
44
AC-CHK
45
.
46
WAKE-UP
47
48
CD-DOOR
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I/O
TU-CE
O
PLL IC chip enable output
O
PLL IC data output
TU-CLK
O
PLL IC clock output
I
PLL IC IF count data result input
O
Tuner IF request mute control output
I
Destination setting pin (connected to ground)
I
Destination setting pin (connected to ground)
TEST-B
I
Audio test mode input
VDD
—
Power supply (+3.3V)
TEST-A
I
CD/MP3 test mode input
O
EEPROM serial clock output
I/O
EEPROM serial data input/output
I
Destination setting pin (connected to ground)
N.C
—
Not used
N.C
—
Not used
I
Detection of MIC jack signal input (G555CP:not used)
ISS-1
O
REC bias frequency select output (not used)
ISS-2
O
REC bias frequency select output (not used)
TU-ON
O
RADIO power control signal output
O
TAPE power control signal output
CD-ON
O
CD power control signal output
I
Connected to ground
K-LED
O
KARAOKE PON LED control signal output (G555CP:not used)
CTL-B
O
KARAOKE PON mode control signal output (G555CP:not used)
CTL-C
O
KARAOKE PON mode control signal output (G555CP:not used)
LED2
O
LED (illumination) control signal output
LED1
O
LED (illumination) control signal output
O
MIC control signal output (G555CP:not used)
O
LCD driver reset output
O
LCD driver C/D signal output
LCD CS
O
LCD driver chip select output
O
LCD driver data output
O
LCD driver clock output
N.C
—
Not used
O
Radio shift clock signal output
N.C
—
Not used
VDD
—
Power supply pin (+3.3V)
X2
O
Cristal oscillator output (5MHz)
X1
I
Cristal oscillator input (5MHz)
VSS
—
Ground
XT2
O
Not used
XT1
I
Connected to ground
RESET
I
Reset signal input
x
ao
I
AC/DC check detect signal input
y
RMC IN
I
Remote control signal input
i
I
Wake up interrupt signal input
N.C
—
Not used
I
CD door detect signal input
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8
Q Q
3
6 7
1 3
u163
.
CFD-G555CP/G555CPK
2 9
9 4
2 8
Description
1 5
0 5
8
2 9
9 4
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9 9
2 8
9 9
47
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