Understanding the 12864 LCD Display Module

Understanding the 12864 LCD Display Module

The 12864 LCD module is a common general-purpose LCD module. This page provides an introduction to the 12864 LCD module’s program, pins, interfaces, drivers, and font library based on our company’s 12864 LCD module (JBG12864E01-08W).

JBG12864E01-08W is a 4-bit/8-bit parallel, 2-wire or 3-wire interface module, which contains a graphic dot matrix LCD module with international level one and two simplified Chinese character libraries. The display resolution is 128*64, with 8198 built-in 16*16 Chinese characters and 128 16*8 ASCII characters. This model has a simple interface, convenient instruction operations, and can create a fully Chinese human-machine interaction graphical interface. It can display 8*4 lines of 16*16 dot matrix characters and can also complete graphical displays.

Understanding the 12864 LCD Display Module

Basic Features

Power Supply Voltage (VDD): 3.0-5.5V

Display Resolution: 128*64

Built-in Chinese Character Library: 8192 (Simplified and Traditional options)

Built-in Dot Matrix Characters: 128 16*8 dot matrix characters

Clock Frequency: 2mHz

Display Type: STN, blue film, negative display

Drive Method: 1/64Duty, 1/9Bias

Viewing Angle Direction: 6 points

Backlight Type: White LED backlight

Communication Method: Serial or parallel optional

Operating Temperature: -20°C to 70°C

Storage Temperature: -30°C to 80°C

Storage Humidity: 20% to 90% RH

Interface: 8-bit data bus

Driver Model: SNB6400+SNB0064

Dimensions: 63.2 (L) * 54.0 (W) * 9.5 (H)

Display Area: 54.0 (L) * 36.0 (W)

Effective Viewing Area: 50.00 (L) * 31.32 (W)

Pixel Size: 0.35*0.45

Pixel Pitch: 0.39*0.49

Understanding the 12864 LCD Display Module

Understanding the 12864 LCD Display Module

Interface Description

Pin 1: VSS, Ground

Pin 2: VDD, Driver Power Supply (5V)

Pin 3: V0, Contrast Adjustment

Pin 4: RS, RS=”H” means DB7-DB0 is display data, RS=”L” means DB7-DB0 is display command data.

Pin 5: RW,

Pin 6: E, Enable Signal

Pins 7-14: Data Lines

Pin 15: CS1, Chip Section

Pin 16: CS2, Chip Section

Pin 17: RST, Reset

Pin 18: VEE, Driver Voltage Output

Pin 19: Backlight Positive Terminal

Pin 20: Backlight Negative Terminal

Understanding the 12864 LCD Display Module

Understanding the 12864 LCD Display Module

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