Accueil Produits Afficheur COG WO128128A

N° de modèle WO128128A

►Afficheur COG
►Afficheur graphique
►128×128 points
►Contrôleur intégré ST75161
►Alimentation +3.3V
►Taux de rafraichissement 1/136 duty cycle
►Interface : 6800/8080/SPI/I2C

DESSIN

Circular COG Graphic LCD 128x128 - WO128128A- Winstar Display

SPÉCIFICATIONS

Fonction PIN sur l'interface

Pin No. Symbole Description
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

Spécifications générales

Article Dimensions Unité
Matrice de points (Résolution) 128 x 128
Dimensions du module 55.0 x 57.0 x 6.18 mm
Zone d'affichage 42.0 x 42.0 mm
Zone active 44.0 x 44.0 mm
Taille des points 0.308 x 0.308 mm
Pas des points 0.310 x 0.310 mm
Duty 1/136 DUTY,1/12 BIAS
Type de rétroéclairage LED
IC ST75161

Valeurs nominales maximales absolues

Article Symbole Valeur min Valeur type Valeur max Unité
Température de fonctionnement TOP -20 +70
Température de stockage 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

Caractéristiques électroniques

Article Symbole État Valeur min Valeur type Valeur max Unité
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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