KRC-29Y/35R,379R/RY,479R/RY,481R
4
MICROCOMPUTER'S TERMINAL DESCRIPTION
PORT
No.
PORT NAME I/O
FUNCTION
OPERATING CONDITION
1
DSI
O
DSI control.
2
PANEL
I
Panel detection.
"L" : Panel exists.
3-
-
-
4
AVSS
-
GND.
5
L-RST
O
LCD driver reset.
6
L-CE
O
LCD driver chip enable.
7
AVREF 1
I
Reference voltage
8-
-
-
9
PLL-DATA
I/O
Front-end communication data.
10
PLL-CLK
O
Front-end communication clock.
11
L-DATA L
I
LCD driver communication data.
12
L-DATA S
O
LCD driver communication data.
13
L-CLK
O
LCD driver communication clock.
14
R-DATA
I
RDS data.
15
R-QUAL
I
RDS QUAL.
16
CH-DATA C
I
Changer communication data.
17
CH-DATA H
O
Changer communication data.
18
CH-CLK
I/O
Changer communication clock.
19
M-STBY
I
Cassette tape stand-by detection.
"H" : Stand-by.
20
T-END
I
Tape end detection.
"H" : Run.
"L" : Stop.
21
ACC-DET
I
ACC detection.
22
BU-DET
I
Back-up detection.
23
IC2 TYPE 0
I
For service.
"L" : Normally.
24
IC2 TYPE 1
I
For service.
"L" : Normally.
25
TYPE 0
I
Destination discrimination.
26
TYPE 1
I
Destination discrimination.
27
TYPE REF
O
Reference voltage for destination and service.
28
MOTOR
O
Cassette mechanism motor.
"H" : ON.
"L" : OFF.
29
PLL-CE
O
Front-end communication chip enable.
30
SD
I
Station detection.
"H" : Station exists.
"L" : Station does not exist.
31
ASF
O
Noise detection time constant switch.
32
LO/DX
O
Local seeking switch.
"H" : LO.
"L" : DX.
33
VSS 1
-
GND.
34
P-MUTE
O
Power amplifier muting.
35
SVR
O
SVR control.
36
-
-
-
37
IC2-SCL
O
E-volume communication clock.
38
IC2-SDA
I/O
E-volume communication data.
39
MUTE
O
Muting control.
40
P-STBY
O
Power amplifier stand-by.
(X14-) IC1 : µ -COM
