Startseite Produkte COG LCD WO128128A2

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

Round LCD, Round LCD Display Module, Round LCD Panel, Round LCD Screen - WO128128A2

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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