ST7920 128X64 Green GLCD

This is a 128 x 64 green graphical LCD with ST7920 LCD Controller/driver.

Main this about this display is that it supports three different types of interface namely 8 bit, 4 bit and Serial SPI interface. This GLCD has a yellow green background with 128x64 monochrome dark green pixels.

ST7920 LCD controller/driver IC can display alphabets, numbers, Chinese fonts and self-defined characters. It supports 3 kinds of bus interface, namely 8 bit/4bit and serial. All functions, including display RAM, character generator ROM, LCD display drivers and control circuits are all in a one-chip solution. With a minimum system configuration, a Chinese character display system can easily achieved.

Features of ST7920 GLCD

• Built-in Controller (ST7920)

• +5V Power Supply

• 1/64 Duty Cycle

• Color:Green, yellow color

• Voltage operating range: - 2.7 to 5.5V

• Support 8 bit, 4 bit, serial bus MPU interface  

• 64 x 16-bits character display RAM (max. 16 chars x 4 lines, LCD display range 16 char. X 2 lines

• 64 x 256-bits graphic display RAM（GDRAM）

• 2M-bits Chinese fonts ROM (CGROM)

• supporting 8192 Chinese fonts (16x16 dot matrix)

• 16K-bits half height ROM (HCGROM) supporting

• 126 character set (16x8 dot matrix)

• 64 x 16-bits character generation RAM (CGRAM)

• 15 x 16-bits total 240 ICON RAM（IRAM）

• 33-common x 64-segment (2 lines display) LCD drivers

• Automatic power on reset

• External reset pin (XRESET)

• With extension segment drivers display area can up to 16x2 lines

Related Link

• ST7920 LCD controller/driver PDF

• ST7920 128x64 GLCD Manual