Home Produtos LCD Alfanumérico WH2004L

Model No. WH2004L

►Módulo lcd de caractere 20x4
►5x8 pontos inclui cursor
►Controlador (ST7066 ou equivalente) integrado
►Alimentação +5V (também disponível para +3V)
►Tensão negativa opcional para fonte de alimentação +3V
►1/16 duty cycle
►LED pode ser controlado pelos PIN1, PIN2, PIN15, PIN16 ou A e K
►Interface : 6800, opção SPI/I2C (RW1063 IC)

DESCRIPTION

►WH2004L : 6800 interface (ST7066 IC)
►WH2004L1 : SPI interface (RW1063 IC)
►WH2004L2 : I2C interface (RW1063 IC)
 

DRAWING

STN LCD Module, STN Display, STN LCD Display, LCD STN 20x4 - WH2004L

SPECIFICATIONS

Interface Pin Function

Pin No. Symbol Description
1 VSS Ground
2 VDD Power supply for logic
3 VO Contrast Adjustment
4 RS Data/ Instruction select signal
5 R/W Read/Write select signal
6 E Enable signal
7~14 DB0~DB7 Data bus line
15 A Power supply for B/L +
16 K Power supply for B/L -
17 NC No connection
18 NC No connection

Mechanical Data

Item Standard Value Unit
Module Dimension 146.0 × 62.5 mm
Viewing Area 123.5 × 43.0 mm
Mounting Hole 139.0 × 55.5 mm
Character Size 4.84 × 9.22 mm

Electrical Characteristics

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 3/5 V
Recmmended LCD Driving
Voltage for Normal Temp.
Version module @25°C
VDD-VO 4.20 V

Display Character Address Code

Display Position 1 2 3 4 5 6 7 8 9 10 11 12 13 --- --- 20
DD RAM Address 00 01                           13
DD RAM Address 40 41                           53
DD RAM Address 14 15                           27
DD RAM Address 54 55                           67

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