128x64 Grafik-Modul-Anzeigen
Modellnummer WG12864J3
►Grafik-Modul 128x64
►IC: ST7920
►3,3-V-Stromversorgung
►1/64 duty cycle
►Negative Spannung optional
►Chinesische Version
►Schnittstelle: 6800/SPI
Zeichnung
Data source ref:WG12864J3-TFH-V#T
Technische Daten
Schnittstelle Pin-Funktion
Pin No. | Symbol | Level | Beschreibung |
---|---|---|---|
1 | VSS | 0V | Ground |
2 | VDD | 3,3V | Supply voltage for logic |
3 | VO | - | Supply voltage for LCD |
4 | RS | H/L | H: Data , L : Instruction |
5 | R/W | H/L | H: Read (Module --> MPU) L: Write(MPU --> Module) |
6 | E | H/L | Enable signal |
7 | DB0 | H/L | Data bus line |
8 | DB1 | H/L | Data bus line |
9 | DB2 | H/L | Data bus line |
10 | DB3 | H/L | Data bus line |
11 | DB4 | H/L | Data bus line |
12 | DB5 | H/L | Data bus line |
13 | DB6 | H/L | Data bus line |
14 | DB7 | H/L | Data bus line |
15 | A | - | Power Supply for LED backlight ( + ) |
16 | K | - | Power Supply for LED backlight ( - ) |
17 | RST | H/L | Reset LCM |
18 | Vout | - | Positive voltage for LCD |
mechanische Daten
Artikel | Ausmaß | Einheit |
---|---|---|
Number of dots | 128 x 64 | - |
Module Ausmaß | 93,0 x 70,0 x 13,6(Max) | mm |
Anzeigebereich | 72,0 x 40,.0 | mm |
Active area | 66,52 x 33,24 | mm |
Dot size | 0,48 x 0,48 | mm |
Dot pitch | 0,52 x 0,.52 | mm |
Duty | 1/32 | |
Backlight-Typ | LED | |
IC | ST7920 | |
Schnittstelle | 6800 |
Absolute Maximalwertimum Ratings
Artikel | Symbol | Mindestwert | typischer Wert | Maximalwert | Einheit |
---|---|---|---|---|---|
Betriebstemperatur | TOP | -20 | - | +70 | ℃ |
Lagertemperatur | TST | -30 | - | +80 | ℃ |
Input Voltage | VIN | -0,3 | - | VDD+0,3 | V |
Supply voltage for Logic | VDD-VSS | -0,3 | - | 5,5 | V |
Supply voltage for LCD | VO-VSS | 0 | - | 7,0 | V |
Elektrische Eigenschaften
Artikel | Symbol | Bedingung | Mindestwert | typischer Wert | Maximalwert | Einheit |
---|---|---|---|---|---|---|
Supply Voltage For Logic | VDD-VSS | - | 3,0 | 3,3 | 3,6 | V |
Supply Voltage For LCD | V0-VSS | Ta=-20℃ Ta=25℃ Ta=70℃ |
- 4,4 - |
- 4,6 - |
- 4,8 - |
V V V |
Input High Volt. | VIH | - | 0,7VDD | - | VDD | V |
Input Low Volt. | VIL | - | -0,3 | - | 0,6 | V |
Output High Volt. | VOH | - | 0,8VDD | - | VDD | V |
Output Low Volt. | VOL | - | - | - | 0,1 | V |
Supply Current | IDD | VDD=3,3V | - | 2,6 | 3,0 | mA |
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