ST7920 (ST7921) meghajtó kompatibilis szabvány dot-matrix grafikus LCD kijelző. Kék háttérvilágítással.
Felbontás: 128x64 dots LCD
Jellemzők:
LCD display module with blue backlight.
Small and light appearance, it is easy and convenient to use.
Suitable for copiers, fax machines, laser printers, industrial test equipment,
networking equipment etc.
Backlight: Blue
View area: 7.0cm(L) * 4.4cm(W)
Dots size: 0.48mm (L) * 0.48mm (W)
Dots pitch: 0.52mm (L) * 0.52mm (W)
LCD type: STN (Blue)
Viewing angle: 6 o?clock
Operating temperature: -20 to 70 degree
Storage temperature: -30 to 80 degree
The controller of this LCD is a ST7920:
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 |
7-14 | 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 |