– 37 –
1
O-ARDY
O
Output ready signal for MD micro controller communication. L: Enable.
2
O-SREQ
O
Request system micro controller output for MD micro controller communication. L: Enable.
3
O-SOUT
O
Output serial data for MD micro controller communication.
4
I-SIN
I
Input serial data for MD micro controller communication.
5
I-ACLK
I
Input serial clock for MD micro controller communication.
6
I-MREQ
I
Request system micro controller output for MD micro-computer communication. L: Enable.
7
NC (SELECT)
-
Not used.
8
O-PCONT
O
Output system power control. H: ON.
9
I-HOLD
I
Detect Hold status. L: HOLD.
10
O-CLKSFT
O
Control clock shift. L: Shift.
11
I-RESET
I
Input reset.
12
XT1
I
Not used (pull up in VDD).
13
XT2
-
Not connected.
14
VSS1
-
Power supply (-) terminal.
15
CF1
I
Input terminal for ceramic oscillator (5.76MHz).
16
CF2
O
Output terminal for ceramic oscillator (5.76MHz).
17
VDD1
-
Power supply (+) terminal.
18
I-JOGA
I
Detect jog dial A.
19
I-JOGB
I
Detect jog dial B.
20
I-KEY1
21
I-KEY2
22
I-RDSIG
I
Input RDS signal level and AD.
23
I-CTON
I
Detect CT deck power. H: OFF, L: ON.
24
I-RDDT
I
Input RDS data.
25
I-COLOR
I
Input LCD back light initial setting.
26
I-TMBASE
I
Input reference frequency for 8Hz clock.
27
I-INIT
I
Input diode matrix initial setting.
28
I-RDCL
I
Input RDS clock.
I
Input received singnal for remote controller.
I
Detect CT deck play. H: PLAY.
I
Detect CT deck record. H: REC.
Control tuner power. H: ON.
Output chip enable for tuner PLL communication.
Output serial data for tuner PLL communication.
Output clock for tuner PLL communication.
36
I-TUDO
I
Input serial data for tuner PLL communication.
37
I-STEREO
I
Detect receiving tuner stereo. H: MONO, L: STEREO.
38
NC
-
Not connected.
39~53
S9~S23
O
Output LCD segment.
54
VDD2
-
Power supply (+) terminal.
55
VCC2
-
Power supply (-) terminal.
56~79
S24~S47
O
Output LCD segment.
Pin No.
Pin Name
I/O
Description
IC DESCRIPTION
IC, LC877264A-EZ
I
Detect tact key AD input.
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9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
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1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
