Panel Microcomputer - Kenwood DPX-7010MD Service Manual

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MICROCOMPUTER'S TERMINAL DESCRIPTION
Panel Microcomputer M30220MA-101GP (X25 : IC1)
Pin
Pin Name
I/O
1~8
NC
O
9
PWM_CONT_R
O
10
NC
O
11
PWM_CONT_B
O
12
NC
O
13
PWM_CONT_G
O
14,15
NC
O
16
CNvss
17
Xcin
O
18
Xcout
O
19
RESET
20
Xout
O
21
Vss
22
Xin
23
Vcc
24
NMI
25
SP_INT
O
26
SP_SRQ
27
LCD_INH
O
28
LCD_CS
O
29
LCD_CLK
O
30
NC
31
LCD_DO
O
32
NC
O
33
SP_DATA
34
SP_CLK
35
NC
O
36
PN_SC_DATA
O
37
PN_MC_DATA
38
PN_RTS
O
39
PN_CTS
40
NC
O
41
PN_SC_CON
42~46
NC
O
47
REMOCON
48~52
NC
O
53~58
KR5~KR0
59~73
NC
O
74~77
KS3~KS0
O
78~90
SEG47~SEG35
O
91
Vcc
Description
Not used
Red LED brightness control
Not used
Blue LED brightness control
Not used
Green LED brightness control
Not used
I
Processor mode select (external pull down)
Not used
Not used
I
Reset input
Main system clock oscillation
I
Ground
I
Main system clock oscillation
I
Positive power supply terminal
I
Not used (external pull down)
Spectrum analyzer data transfer flag
I
Spectrum analyzer data transfer flag
LCD character light on inhibit
External LCD driver select
External LCD driver clock output
I
Not used (external pull down)
External LCD driver data output
Not used
I
Spectrum analyzer data input
I
Spectrum analyzer clock input
Not used
System microcomputer communication. Data output
I
System microcomputer communication. Data input
RTS output. (Connect PN_CTS of system microcomputer)
I
CTS input. (Connect PN_RTS of system microcomputer)
Not used
I
System microcomputer communination.
Panel microcomputer operation control
Not used
I
Remote controller signal input
Not used
I
Key return signal input 5~0
Not used
Key scan output 3~0
I
Positive power supply terminal
DPX-7010MD
Processing Operation
L: Fixed
H: On
L: Fixed
H: On
L: Fixed
H: On
L: Fixed
L: Fixed
L: Fixed
L: Reset
f=10.0MHz
f=10.0MHz
L: Off
H: Select
L: Fixed
L: Fixed
L: Fixed
L: Fixed
L: Nornal operation
L: Fixed
L: Fixed
L: Fixed
5

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