5
Pin No.
Pin Name
Signal Name
I/O
Purpose/Description
Normal Operation
Level
20
P06/BUZ/DK
VFD_STB
O
VFD driver latch output
H/L
21
P27/RST
RST
I
Microcomputer reset
L (a)
22
P10/TM0IO/RMO
VFD_BLK
O
VFD driver blank output
L (a)
23~25
NC
O
Not used (Open)
L
26
P14/TM4IO
PN_SC_REQ
O
System control communication, send request output
H (a)
27
P20/IRQ0
PN_MC_REQ
I
System control communication, receive request input
H (a)
28
P21/IRQ/SENS
PN_SC_CON
I
System control communication, panel operation control
H (a)
29
P22/IRQ2
REMOCON
I
Remote control signal input
H/L
30
P23/IRQ3
KR0
I
Key return signal input 0
H/L
31
P24/IRQ4
KR1
I
Key return signal input 1
H/L
32
P50/WE
KR2
I
Key return signal input 2
H/L
33
P51/RE
KR3
I
Key return signal input 3
H/L
34
P52/CS
KR4
I
Key return signal input 4
H/L
35
P53/A16
NC
O
Not used (Open)
L
36
P54/A17
NC
O
Not used (Open)
L
37
P60/A0
KS0
O
Key scan signal output 0
H/L
38
P61/A1
KS1
O
Key scan signal output 1
H/L
39
P62/A2
KS2
O
Key scan signal output 2
H/L
40
P63/A3
KS3
O
Key scan signal output 3
H/L
41
P64/A4
KS4
O
Key scan signal output 4
H/L
42~56
NC
O
Not used (Open)
L
57
P83/D3/LED3
ENB
O
Peak hold IC output switching enable
H (a)
58
P82/D2/LED2
SEL_C
O
Peak hold IC output setting change
H (a)
59
P81/D1/LED1
SEL_B
O
Peak hold IC output setting change
H (a)
60
P80/D0/LED0
SEL_A
O
Peak hold IC output setting change
H (a)
61
VREF–
VREF–
I
Connected to GND
L
62
PA0/AN0
PH_IN
I
Peak hold input terminal
A
63,64
NC (GND)
I
Not used (GND)
L
Level: High level (active)
→
H (a), Low level (active)
→
L (a)
KS1
KS2
KS3
KS4
M1
M2
SA
PAUSE
M3
M4
FM
M5
M6
AM
ATT
VOL (+)
TUN (+)
DISP
VOL (–)
TUN (–)
CD-EJ is detected by the System Controller.
Allocation of Multi-press Keys
Key Allocation
Function
While ALL OFF,
Start the unit in test mode.
DSP + EQ + SRC
While ALL OFF,
Span switching (Valid only with K and M Types)
M1 + M5 + SRC
AM: [9K/10K]. FM: [50K/200K]
MICROCOMPUTER’S TERMINAL DESCRIPTION
DPX-4010,4010/PH4
www. xiaoyu163. com
QQ 376315150
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