Siemens SIMATIC 627B, Operating Instructions Manual

Page: 160 / 244

Detailed descriptions
16.1 Motherboard
SIMATIC Box PC 627B
158
Operating Instructions, 06/2008, A5E00927393-02
Assignment of the display to the display select pins
One of the 15 available displays is configured automatically via the display select inputs. The
display select inputs are connected to pull–up resistors, i.e. if these inputs are not
interconnected, they are high level. The input must be connected to ground to generate a
low level.
Pin no. LCD_SEL3 LCD_SEL2 LCD_SEL1 LCD_SEL0 Display type
0 low low low low reserved
1 low low low high 1280 x 1024 (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 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