128x128 Rundes COG LCDs (+PCB)
Modellnummer WO128128A2
►Punktmatrix Display
►COG LCD
►Grafik LCD
►128×128 Punkte
►Integrierter Controller ST75161
►3-V-Stromversorgung
►1/136 duty cycle
►Schnittstelle : Default 8080, Option 6800, SPI-4 Line/SPI-3Line 9bit, I2C
Zeichnung
Technische Daten
Schnittstelle Pin-Funktion
| Pin No. | Symbol | Beschreibung |
|---|---|---|
| 1 | VDD | Power supply |
| 2 | NC | No Connection |
| 3 | VSS | Ground |
| 4 | CSB | Chip select input pin. |
| 5 | A0 | It determines whether the access is related to data or command. |
| 6 | ERD | Read / Write execution control pin. |
| 7 | RWR | Read / Write execution control pin. |
| 8 | RSTB | Hardware reset input pin |
| 9-16 | D0-D7 | When using 8-bit parallel interface: 8080 or 6800 mode:8 bit bi-directional data bus When using serial interface : 4-line SPI or 3-line SPI mode D[7:4] : fix to “H” by VDD1. D[3:1] : serial input/output data (SDA). D[0] : serial input clock (SCL). D1 to D3 must be connected together (SDA) When using serial interface : I2C interface D[7] : SA[1], I2C slave address bit. Must be connected to VDD1 or VSS1. D[6] : SA[0], I2C slave address bit. Must be connected to VDD1 or VSS1. D[5:4] : fix to “H” by VDD1. D[3:2] : SDA_OUT, serial data and acknowledge output for the I2C interface. D[1] : SDA_IN, serial input data D[0] : SCL, serial input clock . D1 to D3 must be connected together (SDA) CSB must be fixed to “L” by VSS1. |
| 17 | A | Anode input for LED backlight. |
| 18 | K | Cathode input for LED backlight |
Allgemeine Spezifikationen
| Artikel | Ausmaß | Einheit |
|---|---|---|
| Punktmatrix (Auflösung) | 128 x 128 | － |
| Abmaße der modul | 60,0 x 62,79 x 8,6 | mm |
| Anzeigebereich | 42,0 x 42,0 | mm |
| Aktiver Bereich | 44,0 x 44,0 | mm |
| Punktgröße | 0,308 x 0,308 | mm |
| Punktabstand | 0,310 x 0,310 | mm |
| Duty | 1/136 Duty,1/12 Bias | |
| Backlight-Typ | LED | |
| IC | ST75161 | |
Absolute Grenzwerte
| Artikel | Symbol | Mindestwert | typischer Wert | Maximalwert | Einheit |
|---|---|---|---|---|---|
| Betriebstemperatur | TOP | -20 | － | +70 | ℃ |
| Lagertemperatur | TST | -30 | － | +80 | ℃ |
| Power Supply Voltage | VDD | -0,3 | － | 4.0 | V |
| LCD Power supply voltage | VLCD | -0,3 | － | 20 | V |
| LCD Power supply voltage | V0-XV0 | -0,3 | － | 19 | V |
| Input voltage | VIN | -0,3 | VDD+0,3 | V |
Elektrische Eigenschaften
| Artikel | Symbol | Bedingung | Mindestwert | typischer Wert | Maximalwert | Einheit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 2,7 | 3,0 | 3,3 | V |
| Supply Voltage For LCD | VOP | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 13,7 － |
－ 14,0 － |
－ 14,3 － |
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=3,0V | － | 2,0 | － | mA |
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