4
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No. Pin Name
I/O
Purpose / Description
Processing Operation
1
VREF-
-
GND
Connected to GND
2
REEL-S
I
Cassette mechanism for rotation of reel detection
Rotation of reel pulse from supply part
3
REEL-T
I
Cassette mechanism for rotation of reel detection
Rotation of reel pulse from take-up part
4
SA01
I
Spectrum analyzer input terminal
63Hz input (from IC352,17PIN)
5
SA02
I
Spectrum analyzer input terminal
150Hz input (from IC352,16PIN)
6
SA03
I
Spectrum analyzer input terminal
330Hz input (from IC352,15PIN)
7
SA04
I
Spectrum analyzer input terminal
1KHz input (from IC352,14PIN)
8
SA05
I
Spectrum analyzer input terminal
3.3KHz input (from IC352,13PIN)
9
SA06
I
Spectrum analyzer input terminal
10KHzinput (from IC352,12PIN)
10
VREF+
-
Power supply input terminal
Connected to BU+5V
11
VDD1
-
Power supply input terminal
Connected to BU+5V
12
OSC2
O
Main crystal output terminal
X1 (8.38MHz)
13
OSC1
I
Main crystal input terminal
X1 (8.38MHz)
14
VSS
-
GND
Connected to GND
15
XI
I
Sub crystal input terminal
X2 (32.768KHz)
16
XO
O
Sub crystal output terminal
X2 (32.768KHz)
17
MMOD
I
Memory extension mode setting input terminal
Connected to GND
18
MODE3
I
Operation mode of cassette mechanism detection input terminal SW3 from cassette mechanism
19
MODE1
I
Operation mode of cassette mechanism detection input terminal SW1 from cassette mechanism
20
MODE2
I
Operation mode of cassette mechanism detection input terminal SW2 from cassette mechanism
21
CH-DATAH
O
Control of external CD Changer
Data out put for external CD changer
22
CH-DATAC
I
Control of external CD Changer
Data input from external CD changer
23
CH-CLK
I/O
Control of external CD Changer
CLOCK input / output terminal for external CD changer
24
BEEP
O
BEEP sound output terminal
BEEP ON "H" BEEP OFF "L"
25
SUB M+
O
Motor driver control output terminal
Control of sub motor for cassette mechanism
26
BU-DET
I
BU voltage detection input terminal
L : BU detection
27
CH-REQC
I
Control of external CD Changer
REQ input from external CD changer
Remote control signal input terminal
Remote control signal input terminal
LCD driver control output terminal
DATA input form LCD driver (from IC900, 97PIN)
Connected to GND
L : RESET
Adjustment of brightness for LED
PWM output for RED LED
Motor driver control output terminal
Control of sub motor for cassette mechanism
Adjustment of brightness for LED
PWM output for BLUE LED
Illumination LE power supply control output terminal
H : illumination ON
(to operation key)
38
/LCD-INH
O
Control of LCD driver
INH output for LCD driver (to IC900, 96PIN)
39
LCD-CE
O
Control of LCD driver
CE output for LCD driver(to IC900, 98PIN)
40
LED GRN
O
Adjustment of brightness for LED
PWM output for GREEN LED
41
NC
O
-
Connected to GND
42
LCD-DO
O
Control of LCD driver
DATA output for LCD driver (to IC900, 100PIN)
43
LCD-DI
I
Control of LCD driver
DATA input from LCD driver (from IC900, 97PIN)
44
LCD-CLK
O
Control of LCD driver
CLK output for LCD driver (to IC900, 99PIN)
IC1 (MAIN PWB UNIT)
DPX-3030/MP4030
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