Microcomputer Pin Assignment - NEC DPro2070SB Service Manual

Crt display nec-mitsubishi electric visual systems corporation september 2002
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1.6.6.7 Microcomputer pin assignment

#
PORT
ASSIGN
1
H_LOCK
IRQ2/P40
USB-SPARK
2
IRQ1/P41
USB-RESET
3
INPUT SEL
IRQ0/P42
4
HSK
RD/P43
5
SUSPEND
WR/P44
6
C TIME SEL
IOS/AS/P45
7
OPTION
EXCL/o/P46
8
DDC_DATA
SDA0/WAIT
9
FLASH_TX
TxD0/P50
10 BEAM/SHORT
RxD0/P50
11 DDC_SCL
SCL0/SCK0
12 RESET
RES
13 NMI
MNI
14 (+) 5V
Vcc
15 STBY
STBY
16 GND
GND
17 X'TAL
XTAL
18 X'TAL
EXTAL
19 MODE SW1
SW1
20 MODE SW2
SW2
21 GND
AVss
22 KEY1
AN0/P70
23 KEY2
AN1/P71
24 X RAY PRO
AN2/P72
25 TEMP
AN3/P73
26 BEAM TIME
AN4/P74
27 ABL/C TIME
AN4/P75
28 EW_SENSE
AN6/P76
29 SN_SENSE
AN7/P77
30 Vcc
AVcc
31 LED
HFBACK/P60
32 VSYNC OUT
VSYNCO/P61
I/O
FUNCTION
I
H_UNLOCK detection
I/O For FLASH writing
O
Power cut detection
O
SOA output
O
Suspend
O
I
(available as input port)
I/O DDC data
O
PZTAT
I
Beam protector
I/O DDC clock
I
Reset
I
NMI
I
Mode setting
Mode setting
A/D Key input
A/D Key input
A/D X-ray protector
A/D Temp. detection
A/D Time detection
A/D Heater voltage detection
A/D
H. magnetic field detection
A/D
V. magnetic field detection
O
LED output
O
V. sync. output
1- 22
#
PORT
ASSIGN
64 CS8
P37
63 CS7
P36
62 CS6
P35
61 CS5
P34
60 CS4
P33
59 CS3
P32
58 CS2
P31
57 CS1
P30
56 HVADJ
P10/PWMX0
55 BRIGHTNESS
P11/PWMX1
54 SW LIN2
P12/PW2
53 SW LIN1
P13/PW3
52 PURITY_BL
P14/PW4
51 PURITY_BR
P15/PW5
50 PURITY_TL
P16/PW6
49 PURITY_TR
P17/PW7
48 GND
Vss
47 DEGAUSS
P20/PW8
46 V_CANCEL
P21/PW9
45 ROTATION
P22/PW10
44 IIC_SDA
SDA1
43 IIC_SCL
SCL1
42 P OFF
P25/PW13
41 LIN PWM1
P26/PW14
40 6H
P27/PW15
39 Vcc
Vcc
38 Hsync OUT
P67/HSYNCO
37 SOG IN
P66/CSYNCI
36 HSYNC IN
P65/HSYNCI
35 CLAMP OUT
P64/CLAMPO
34 HSYNC SEL
P63/VFBACKI
33 VSYNC IN
V_SYNCI
I/O
FUNCTION
O
CS switching 8
O
CS switching 7
O
CS switching 6
O
CS switching 5
O
CS switching 4
O
CS switching 3
O
CS switching 2
O
CS switching 1
P
HVADJ
P
Brightness
O
SW LIN2
O
SW LIN1
P
Corner purity BL
P
Corner purity BR
P
Corner purity TL
P
Corner purity TR
O
DEGAUSS
V. magnetic field cancel output
P
P
Rotation
I/O Internal IIC data
I/O Internal IIC clock
O
POWER OFF
P
H. linearity
P
6H
O
H. sync. output
I
SYNC ON G input
I
H. sync. input
O
CLAMP OUT
O
HSYNC SEL
I
V. sync. input

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