Table of Contents
Advertisement
KRC-535/865
QQ
MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
UPD703033GC138 (IC1: X14-)
SYSTEM MICROCOMPUTER
Pin
Name
1
AM+B
2
FM+B
3
AFS
4
PLL-DATA
5
PLL-CLK
6
Evdd
7
GND
8
N.C
9
BEEP
10
REMO
11
P-ON
12
P-STBY
13
IC2-SDA
14
IC2-SCK
15
P-MUTE
16
PRE-MUTE
17
D/A-SDA/DIM-CON
18
TEST
19
P-CON
TE
20
ANT-CON
L 13942296513
21
MUTE
22
N.C
23
ACC-DET
24
DIMMER
25
SW-5V
26
CH-MUTE
27
CH-CON
28
CH-REQH
29
CH-RST
30
EXT-AMP-CONT O
31
RESET
32
XT1
33
XT2
34
REGC
35
X2
36
X1
37
Vss
38
Vdd
39
CLKOUT
40
N.C
www
41
MOTOR
42
MODE3
43
MODE1
44
MODE2
45
N.C
46
SUB1
4
I/O
Purpose
O
AM power supply terminal.
O
FM power supply terminal.
O
Constant switching when noise is detected.
I/O DATA input/output terminal from/to F/E.
I/O CLOCK input/output terminal from/to F/E.
-
Positive power supply terminal.
-
Grounding terminal.
O
No connection.
O
Beep output terminal.
I
Remote control input terminal.
O
SW 14 V control terminal.
O
Power IC STBY terminal control.
I/O IC2 DATA line.
O
IC2 CLOCK line.
O
Power IC muting terminal.
O
Pre-Out muting terminal.
O
D/A data line. (V-LED)
-
Test pin.
O
Power control terminal.
O
Antenna control terminal.
O
Muting terminal.
O
No connection.
I
Acc detection terminal.
I
Small detection terminal.
O
5 V power supply terminal.
I
Muting request from CH.
O
CH control output.
O
Request output to CH.
O
Reset output to CH.
External amplifier control terminal (In 200 ms).
I
Reset input terminal
I
Sub-clock connection terminal.
-
Sub-clock connection terminal.
Output terminal for the capacitor in the regulator
-
in µ-COM.
-
Main clock connection terminal.
I
Main clock connection terminal.
-
Grounding terminal.
-
Positive power supply terminal.
O
Internal System Clock output.
O
No connection.
O
Cassette mechanism main motor output terminal.
x
ao
y
I
Cassette mechanism mode detection terminal.
I
Cassette mechanism mode detection terminal.
.
i
I
Cassette mechanism mode detection terminal.
O
Outputs Low. No connection.
O
Sub-motor output terminal (1).
8
During AM operation: H.
During FM operation: H.
Last FM with RDS model: H
During FM seek or AM search: L.
During reception: H.
Power ON: H. Power OFF: L.
Power IC OFF: L. Power IC ON: H.
During reset: Input.
Power OFF: L. All OFF: L.
During TEL muting: L.
During momentary power down: L.
Power ON: H. Power OFF: L.
Q Q
TUNER, TI ON: H
3
6 7
1 3
ON: Open. OFF: L.
The time constant is 0.48 ms with all models.
Acc detected: L. Acc not detected: H.
ON: L. OFF: H.
ON: L. OFF: H.
ON: H. OFF: L.
ON: H. OFF: L.
Requested: L.
Normal: L. When the system is reset, turns H then
L in 400 ms after recovery from reset.
L 40 ms: Bass boost OFF. L 70 ms: Bass boost LOW.
L 100 ms: Bass boost HIGH.
Normal: H. Reset: L.
The clock count is active even when Power is OFF.
Power ON: Oscillated.
Power OFF or momentary power down: Oscillation stopped.
When the motor is running: H.
When it is stopped: L.
u163
.
2 9
9 4
2 8
Operation Description
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
Advertisement
Table of Contents
