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5-3 Pin Description of Main Microprocessor
Pin No.
Pin Name
1
CD_PROTECTION
2
CD_OPEN_SW
3
CD_OPEN_M
4
CD_CLOSE_M
5
CD_CLOSE_SW
6
RDS_DATA
7
CE
8
BYTE
9
CNVSS
10
XCIN
11
XCOUT
12
RESET
13
XOUT
14
VSS
15
XIN
16
VCC(B.U)
17
NMI
18
REMOCON
19
RDS_CLK
20
SCOR
21
SCLK
22
SENSE
23
CD_CLK
TE
L 13942296513
24
XLAT
25
CD_DATA
26
SYSM
27
CDRST
28
SQCK
29
SUBQ
30
NC
31
K_DATA
32
MD_DATA
33
MD_SCK
34
LED2
35
LCD_DATA
36
NC
37
LCD_CLK
38
LED1
39
ENC1
40
ENC2
41
DECK_CMP
42
DECK_SOL
43
PLAY_SW
44
CrO2_SW
45
PACK_SW
46
REC_F_SW
47,48
NC
www
49
REC_R_SW
50
NORMAL_BIAS
.
CIRCUIT DESCRIPTION
I/O
I
Detection port for CD protection.
I
CD open detection switch input.
O
CD tray motor control output (open).
O
CD tray motor control output (close).
I
CD close detection switch input.
I
RDS data input.
I
Power failure input port.
I
GND.
I
GND.
I
Timer clock input (32.768kHz).
O
Timer clock output (32.768kHz).
I
Reset signal input for microprocessor.
O
Main clock oscillator(10MHz).
I
GND.
I
Main clock oscillator(10MHz).
I
Power supply(+5.0v).
I
Connected to VCC.
I
Remote control signal input.
I
RDS clock input.
I
Sub code synchronized signal input.
O
CD sense data read out clock.
I
CD sense input.
O
CD DSP clock output.
O
CD DSP latch output.
O
CD DSP data output.
O
CD DSP system mute output.
O
CD DSP reset signal output.
O
CD sub code clock output.
I
CD sub code input.
O
Unused.
O
MD data output (MD version only).
I
MD data input (MD version only).
O
MD clock output (MD version only).
O
Control port of standby/timer LED(red).
O
Data output to LCD driver IC.
O
Unused.
O
Clock output to LCD driver IC.
O
Control port of standby/timer LED (green).
I
Rotary encoder input (up).
I
Rotary encoder input (down).
O
Deck capstan motor control.
O
Deck solenoid control.
I
Deck play switch input.
I
Deck CrO2 detection switch input.
I
Deck pack switch input.
I
Deck forward rec switch input.
-
Unused.
I
Deck reverse rec switch input.
O
Deck bias (Normal/CrO2) change-over.
x
ao
u163
y
i
RXD-M32MD
2 9
8
Description
H = NORMAL
H = OFF
H = OFF
H = OFF
H = ON
H = AC ON
H = NORMAL
Q Q
3
6 7
1 3
1 5
L = ON
L = ON
H = CrO2
H = OFF
H = OFF
H = OFF
co
.
9 4
2 8
L = PROTECTION ON
L = ON
L = ON
L = ON
L = OFF
L = AC OFF
L = RESET
0 5
8
2 9
9 4
2 8
L = LATCH
L = Normal
L = ON
L = ON
m
L = ON
9 9
9 9
13
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