Siemens SIMATIC PANEL PC 877 - Manual (Page 209)

Detailed descriptions
17.1 Motherboard
SIMATIC Panel PC 877
Operating instructions, Release 07/2006, A5E00877780-01
17-17
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