NEC LCD4215 - Manual (Page 33)

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Pin Assignment
1) Analog RGB input (MiniDsub15p): VGA
Pin No Name
1 Video Signal Red
2 Video Signal Green
3 Video Signal Blue
4 GND
5 DDC-GND
6 Red-GND
7 Green-GND
8 Blue-GND
9 +5V (DDC)
10 SYNC-GND
11 GND
12 DDC-SDA
13 H-SYNC
14 V-SYNC
15 DDC-SCL
2) VIDEO(S) input: VIDEO
Pin No Name
1 GND
2 GND
3 Y (Luminance)
4 C (Chroma)
3) Digital RGB input (DVI-D): DVI
4) RS-232C input
Pin No Name
1 connected to 7&8
2 RXD
3 TXD
4 connected to 6
5 GND
6 connected to 4
7 connected to 1&8
8 connected to 1&7
9 NC
Pin - Assignment of DVI connector:
1 TX2- 9 TX1- 17 TX0-
2 TX2+ 10 TX1+ 18 TX0+
3 Shield (TX2 / TX4) 11 Shield (TX1 / TX3) 19 Shield (TX0 / TX5)
4 NC 12 NC 20 NC
5 NC 13 NC 21 NC
6 DDC-Serial Clock 14 +5V power 22 Shield (TXC)
7 DDC-Serial Data 15 Ground 23 TXC+
8 NC 16 Hot plug detect 24 TXC-
5
10
15
1
6
11
1
6
5
9
Mini D-SUB 15P
D-SUB 9P
1
17
24
16
8
9
This LCD monitor uses RXD, TXD and GND lines for RS-232C control.