Modulo Lcd Grafico 128x64
The controller of this LCD is a ST7920
Items size unit
Module volume 93 X 70 X13 mm
View area 72 X40 mm
Point distance 0.52 X 0.52 mm
Point size 0.48 X0.48 mm
Parallel mode interface definition:
Pin number definition level Function specification
1 VSS 0V Power supply negative
2 VDD +5V Power supply positive
3 V0 - Contrast control
4 RS H/L RS=H:shows data RS=L:controls instruction
5 R/W H/L R/W+H,E=H,data was read DB7-DB0
R/w=L,E=H=L:the data of DB7-DB0 was written to IR or DR
6 E H/L Enable pin
01/07/14 DB0-DB7 H/L Data line
15 PSB H/L PSB=H,parallel mode,PSB=L,serial mode
16 NC - Empty pin
17 /RESET H/L Reset terminal,low level valid
18 Voult - Module drives voltage output terminal
19 A +5V Backlight power supply positive
20 K 0V Backlight power supply negative
Serial module interface definition:
Pin number definition level Function specification
1 VSS 0V Power supply negative
2 VDD +5V Power supply positive
3 V0 - Contrast control
4 CS H/L Chip selection terminal,high level valid
5 SID H/L Serial data input terminal
6 CLK H/L Serial synchronous clock
15 PSB H/L PSB=H,parallel mode,PSB=L,serial mode
17 /RESET H/L Reset terminal,low level valid
19 A +5V Backlight power supply positive
20 K 0V Backlight power supply negative