Home Produtos LCD Alfanumérico WH4004A

Model No. WH4004A

►Módulo lcd de caractere 40x4
►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
►Interface: 6800
►LED pode ser controlado pelos PIN1, PIN2, PIN15, PIN16 ou A e K

DRAWING

WH4004A - 40x4 Character LCD Display, LCD Display 40x4, Winstar Display LCD 40x4

SPECIFICATIONS

Interface Pin Function

Pin No. Symbol Description
1~8 DB7~DB0 Data bus line
9 E1 Enable signal
10 R/W Read/Write select signal
11 RS Data/ Instruction select signal
12 VO Contrast Adjustment
13 VSS Ground
14 VDD Power supply for logic
15 E2 Enable signal
16 NC No connection
17 A Power supply for B/L +
18 K Power supply for B/L -

Mechanical Data

Item Standard Value Unit
Module Dimension 190.0 × 54.0 mm
Viewing Area 147.0 × 29.5 mm
Mounting Hole 183.0 × 47.0 mm
Character Size 2.78 × 4.89 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 4.35 V

Display Character Address Code

Display Position 1 2 3 4 5 6 7 8 9 10 11 12 --- --- --- 40  
DD RAM Address 00 1                           27 Lin1
DD RAM Address 40 41                           67 Lin2
DD RAM Address 00 01                           27 Lin3
DD RAM Address 40 41                           67 Lin4

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