Good day gentlemen,
I request help them due to the fact that I could not have done that there works a GLCD connected to a microcontroller At89S52, the GLCD is of reference PG24064A-P2 powertip which takes a chip as a controller samsung S6B2086X01, later I relate the pines of conetion:

1 Vss
2 Vdd
3 Vo Contrast
4 RS
5 -R/W
6 E
7 DB0
8 DB1
9 DB2
10 DB3
11 DB4
12 DB5
13 DB6
14 DB7
15 -CS Chip Select
16 -RST Reset
17 Vee
18 NC
19 Anode
20 Katode