Home Prodotti LCM COG WO128128A

Circolare Display LCD COG 128x128

Modello numero WO128128A

►LCD COG
►LCD Grafico
►128×128 punti
►A bordo Controllore ST75161
►Alimentatore +3.3V
►1/136 duty cycle
►Interfaccia : 6800/8080/SPI/I2C

DISEGNO

Circular COG Graphic LCD 128x128 - WO128128A- Winstar Display

SPECIFICHE TECNICHE

Funzione dei Pin di Interfaccia

Pin No. Simbolo descrizione
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

Specifiche generali

Articolo Dimensioni Unità
A matrice di punti (Risoluzione) 128 x 128
Dimensione del modulo 55.0 x 57.0 x 6.18 mm
Area di visualizzazione 42.0 x 42.0 mm
Area attiva 44.0 x 44.0 mm
Dimensioni del Dot 0.308 x 0.308 mm
Passo del Dot 0.310 x 0.310 mm
Duty 1/136 DUTY,1/12 BIAS
Tipo di backlight LED
IC ST75161

Valori massimi assoluti

Articolo Simbolo Valore Min Valore tipico Valore massimo Unità
Temperatura di lavoro TOP -20 +70
Temperatura di stock 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

Caratteristiche elettriche

Articolo Simbolo Condizione Valore Min Valore tipico Valore massimo Unità
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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