Siemens PANEL PC 877 Assignment of the display to the display select pins, Display type

Detailed descriptions 17.1 Motherboard

Assignment of the display to the display select pins

The display select inputs are used to configure one of 15 possible displays automatically. The display select inputs are equipped with pull-up resistors, i.e., these inputs have a high signal if they are not connected. The input must be connected to GND if a low signal is to be generated.

Pin No.	LCD_SEL3	LCD_SEL2	LCD_SEL1	LCD_SEL0	Display type
0	low	low	low	low	reserved
1	low	low	low	high	1280x1024 (SXGA), TFT, 2
					x 18-bit, LVDS channel 1
					and 2
2	low	low	high	low	DVI LCD 640 x 480
3	low	low	high	high	DVI LCD 800 x 600
4	low	high	low	low	640 x 480 (VGA), TFT, 18
					bits, LVDS channel 1
5	low	high	low	high	reserved
6	low	high	high	low	1024 x 768 (XGA), TFT, 18
					bits, LVDS channel 1
7	low	high	high	high	800 x 600 (SVGA), TFT, 18
					bits, LVDS channel 1
8	high	low	low	low	reserved
9	high	low	low	high	reserved
10	high	low	high	low	reserved
11	high	low	high	high	reserved
12	high	high	low	low	Reserved 1024 x 768
					(XGA), TFT, 2 x 18-bit,
					LVDS channel 1 and 2
13	high	high	low	high	DVI LCD 1024 x 768
14	high	high	high	low	DVI LCD 1280 x 1024
15	high	high	high	high	No LVDS display or DVI
					LCD with automatic DDC ID

SIMATIC Panel PC 877	17-17
Operating instructions, Release 07/2006, A5E00877780-01