GLIPIC BOARD Ver C and and Higher
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The GL board 20 pin header  has the following pinouts:

The GL board 20 pin header  has the following pinouts:

PIN ----- PIC PIN ------------ KS0108 pin
01---------- GND --------------- GND
02-----------Vdd 5v--------------Vdd
03---- wiper of 20k pot-----------Vo
04-----------PORTC.1--------------D/I
05---------- PORTC.2--------------R/W
06-----------PORTC.0-------------- E
07-----------PORTD.0--------------DB0
08-----------PORTD.1--------------DB1
09-----------PORTD.2--------------DB2
10-----------PORTD.3--------------DB3
11-----------PORTD.4--------------DB4
12-----------PORTD.5--------------DB5
13-----------PORTD.6--------------DB6
14-----------PORTD.7--------------DB7
15-----------PORTB.1--------------CS1
16-----------PORTB.1--------------CS2
17-----------PORTC.5-------------RESET
18-------one end of 20k pot----- Vee(connects to Vo via the 20k pot)
19-----------PORTE.1---Do not connect to KS0108 LCD*
20-----------PORTE.2---Do not connect to KS0108 LCD*


*If the LCD has a backlight LCD PINS 19 and 20 are used to power the backlight. Usually, for an LED backlight PIN19 is the A (anode) and PIN 20 is K (cathode). However, on some displays the order is reversed. Check LCD documentation before connecting power to them!

If you have a 128x64 KS0108 LCD with the above pinouts, then you can test out the GL board by running the Windows app GLUTIL2.EXE.