Startseite Produkte COG LCD WO128128A

Rundes COG LCDs 128x128

Modellnummer WO128128A

►Punktmatrix Display
►COG LCD
►Grafik LCD
►128×128 Punkte
►Integrierter Controller ST75161
►3,3-V-Stromversorgung
►1/136 duty cycle
►Schnittstelle : 6800/8080/SPI/I2C

Beschreibung

 

Zeichnung

Circular COG Graphic LCD 128x128 - WO128128A- Winstar Display

Technische Daten

Schnittstelle Pin-Funktion

Pin No. Symbol Beschreibung
1 VG VG is the power of SEG-drivers.
2 V0 Positive operating voltage of COM-drivers.
3 XV0 Negative operating voltage of COM-drivers.
4 CA1P DC/DC voltage converter
5 CA1N
6 VDD Power supply
7 VSS Ground
8 COMSCN Set scan direction of COM.
9 IF2 These pins select interface operation mode.
10 IF1
11 IF0
12 CSB Chip select input pin.
13 A0 It determines whether the access is related to data or command.
14 ERD Read / Write execution control pin.
15 RWR Read / Write execution control pin.
16 RSTB Hardware reset input pin
17-24 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.
25 A Anode input for LED backlight.
26 K Cathode input for LED backlight

Allgemeine Spezifikationen

Artikel Ausmaß Einheit
Punktmatrix (Auflösung) 128 x 128
Abmaße der modul 55,0 x 57,0 x 6,18 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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