Punktmatrix Display 256x128
Modellnummer WO256128A
►LCD COG
►Grafik LCD
►256x128 Punktmatrix Display
►IC: ST75256
►3,3-V-Stromversorgung
►1/128 duty cycle
►Schnittstelle : 6800/8080/SPI/I2C
Zeichnung
Data source ref: WO256128A-TFH#
Technische Daten
Schnittstelle Pin-Funktion
Pin No, | Symbol | Beschreibung | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | ITOGND | ESD PIN | |||||||||||||||
2 | VG | Power of SEG-drivers | |||||||||||||||
3 | V0 | Positive operating voltage of COM-drivers | |||||||||||||||
4 | XV0 | Negative operating voltage of COM-drivers | |||||||||||||||
5 | CA1P | DC/DC Voltage converte pin | |||||||||||||||
6 | CA1N | DC/DC Voltage converte pin | |||||||||||||||
7 | VDDA | +3,3V | |||||||||||||||
8 | VDD | +3,3V | |||||||||||||||
9 | VSS | ground | |||||||||||||||
10 | COMSCN | Set scan directing of COM | |||||||||||||||
11 | IF1 | These pins select interface operation mode
|
|||||||||||||||
12 | IF0 | ||||||||||||||||
13 | CSB | Chip select input pin | |||||||||||||||
14 | A0 | Whether the access is related to data or command | |||||||||||||||
15 | ERD | Read or write enable terminal | |||||||||||||||
16 | RWR | Read/Write execution control pin | |||||||||||||||
17 | RSTB | Reset input pin | |||||||||||||||
18~25 | D0~D7 | Data bus line | |||||||||||||||
26 | ITOGND | ESD PIN |
mechanische Daten
Artikel | Standardwert | Einheit |
---|---|---|
Punktmatrix | 256 x 128 | - |
Abmaße der modul | 80,0 x 54,0 x 9,5 | mm |
Anzeigebereich | 70,7 x 38,8 | mm |
Aktiver Bereich | 66,54 x 33,26 | mm |
Punktgröße | 0,24 x0,24 | mm |
Punktabstand | 0,26 x 0,26 | mm |
Drive Method | 1/128 Duty, 1/12 Bias | |
Hintergrundbeleuchtung Typ | LED | |
IC | ST75256 | |
Schnittstelle | 4-Line SPI/IIC/8-bit 6800/8-bit 8080 |
absolute Grenzwerte
Artikel | Symbol | Mindestwert | typischer Wert | Maximalwert | Einheit |
---|---|---|---|---|---|
Betriebstemperatur | TOP | -20 | - | 70 | ℃ |
Lagertemperatur | TST | -30 | - | 80 | ℃ |
MPU Interface Input Voltage | VIN | -0,3 | - | VDD+0,3 | V |
Digital Power Supply Voltage | VDD-Vss | -0,3 | - | 4 | V |
LCD Power supply voltage | V0- XV0 | -0,3 | - | 19 | V |
elektrische Eigenschaften
Artikel | Symbol | Bedingung | Mindestwert | typischer Wert | Maximalwert | Einheit |
---|---|---|---|---|---|---|
Supply Voltage For Logic | VDD-VSS | - | 3 | 3,3 | 3,6 | V |
Supply Voltage For LCM | VOP | Ta=-20℃ Ta=25℃ Ta=70℃ |
- 14,2 - |
- 14,5 - |
- 14,8 - |
V V V |
Input High Volt. | VIH | - | 0,7 VDD | - | VDD | V |
Input Low Volt. | VIL | - | VSS | - | 0,3 VDD | V |
Output High Volt. | VOH | - | 0,8 VDD | - | VDD | V |
Output Low Volt. | VOL | - | VSS | - | 0,2 VDD | V |
Supply Current | IDD | VDD=3,3V | - | 1,5 | - | mA |