Technical data

Hardware Information
6-24
SIMATIC Panel PC 670 Computing Unit Equipment Manual
Edition 12/01
Assignment of a display to Display Select pins
Automatic configuration of one of 15 possible displays is performed by means of
the Display Select inputs. The Display Select inputs have pull-up resistors – in
other words, if these inputs are not connected, they go to High. The input has to be
connected to GND for them to go Low.
No. LCD_SEL3 LCD_SEL2 LCD_SEL1 LCD_SEL0 Display type
0 Low Low Low Low Reserved
1 Low Low Low High 640 x 480 (VGA), D-STBN, 16 bit
2 Low Low High Low Reserved
3 Low Low High High 640 x 480 (VGA), TFT, 18 bit
4 Low High Low Low Reserved
5 Low High Low High 1024 x 768 (XGA), TFT, 18 bit
6 Low High High Low 800 x 600 (SVGA), TFT, 18 bit
7 Low High High High Reserved
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
13 High High Low High Reserved
14 High High High Low Reserved
15 High High High High No display/DDC selected display