Punktmatrix Display 128x64 - COG
Modellnummer WO12864A1
►128x64 COG LCD
►LCD Grafik
►IC: ST7565P
►3,3-V-Stromversorgung
►1/65 duty cycle
►Schnittstelle : 6800/8080/SPI
Zeichnung
Data source ref:WO12864A1-TFH#
Technische Daten
Schnittstelle Pin-Funktion
| Pin No. | Symbol | Level | Beschreibung |
|---|---|---|---|
| 1 | P/S | I | This is the parallel data input/serial data input switch terminal. |
| 2 | C86 | I | This is the MPU interface switch terminal. |
| 3 | VR | I | Output voltage regulator terminal. Provides the voltage between VSS and V0 through a resistive voltage divider. |
| 4~8 | V0~V4 | Power supply | This is a multi-level power supply for the liquid crystal drive. |
| 9 | CAP2N | O | DC/DC voltage converter. Connect a capacitor between this terminal and the CAP2P terminal. |
| 10 | CAP2P | O | DC/DC voltage converter. Connect a capacitor between this terminal and the CAP2N terminal. |
| 11 | CAP1P | O | DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1N terminal. |
| 12 | CAP1N | O | DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1P terminal. |
| 13 | CAP3P | O | DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1N terminal. |
| 14 | VOUT | O | DC/DC voltage converter. Connect a capacitor between this terminal and vss or VDD |
| 15 | VSS | Power supply | Ground |
| 16 | VDD | Power supply | Power supply |
| 17~24 | D7~D0 | I/O | This is an 8-bit bi-directional data bus that connects to an 8-bit or 16-bit standard MPU data bus. |
| 25 | /RD(E) | I | The data bus is in output status when this signal is “L” |
| 26 | /WR(R/W) | I | The data bus are latched at the rising edge of the WR signal |
| 27 | A0 | I | This is connect to the least significant bit of the Norman MPU address bus, and it determines whether the data bits are data or a command. |
| 28 | /RES | I | When RES is set to “L”, the setting are initialized. |
| 29 | /CS1 | I | This is the chip select signal. |
mechanische Daten
| Artikel | Ausmaß | Einheit |
|---|---|---|
| Number of Dots | 128 x 64 | － |
| Module Ausmaß | 60,1 x 44,5 x 5,01(MAX) | mm |
| Anzeigebereich | 54,6 x 32,0 | mm |
| Active area | 49,89 x 27,49 | mm |
| Dot size | 0,36 x 0,4 | mm |
| Dot pitch | 0,39 x 0,43 | mm |
| Duty | 1/65 , 1/9 Bias | |
| Backlight-Typ | LED | |
| IC | ST7565P | |
| Schnittstelle | 6800/8080/4-Line SPI | |
Absolute Maximalwertimum Ratings
| Artikel | Symbol | Mindestwert | typischer Wert | Maximalwert | Einheit |
|---|---|---|---|---|---|
| Betriebstemperatur | TOP | -20 | － | +70 | ℃ |
| Lagertemperatur | TST | -30 | － | +80 | ℃ |
| Power Supply Voltage | VDD | -0,3 | － | 3,6 | V |
| Power supply voltage (VDD standard) | V0,VOUT | -0,3 | － | 14,5 | V |
| Power supply voltage (VDD standard) | V1,V2,V3,V4 | -0,3 | － | V0+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 LCM | V0-VSS | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 9,2 － |
－ 9,5 － |
－ 9,8 － |
V V V |
| Input High Volt. | VIH | － | 0,8 VDD | － | VDD | V |
| Input Low Volt. | VIL | － | VSS | － | 0,2VDD | V |
| Output High Volt. | VOH | IOUT=-0.5mA | 0,8VDD | － | VDD | V |
| Output Low Volt. | VOL | IOUT=0.5mA | VSS | － | 0,2VDD | V |
| Supply Current(No include LED Backlight) | IDD | VDD=3.0V | － | 0,1 | 2,0 | mA |
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