ST7920 LCD module Blue 128*64 with controller

ST7920 LCD module can display alphabets, numbers, Chinese fonts and custom characters. It supports 3 kinds of bus interface, namely 8-bit, 4-bit and serial. All functions are all in a one chip solution. They include display RAM, Character Generation ROM, LCD display drivers and control circuits. With a minimum system configuration, Chinese characters can be easily displayed.

ST7920 includes a character ROM with 8192 16 x 16 dots Chinese fonts. Additionally, it includes 126 16 x 8 dots half-width alphanumerical fonts. Besides, it supports 64 x 256 dots graphic display area for graphic display (GDRAM). Mix mode display with both character and graphic data is possible. ST7920 has built in CGRAM. It also provides 4 sets software programmable 16 x 16 fonts.

Features:

Operation Voltage of 2.7 V to 5.5 V

Supports 8-bit, 4-bit and serial bus MPU interface l 64 x 16-bit display RAM (DDRAM)

Supports 16 words x 4 lines (Max)

LCD display range 16 words x 2 lines
64 x 256-bit Graphic Display RAM (GDRAM)
2 M-bits Character Generation ROM (CGROM):

Support 8192 Chinese words (16×16 dot matrix)
l 16K-bit half-width Character Generation ROM

(HCGROM):

Supports 126 characters (16×8 dot matrix)
l 32-common x 64-segment (2 lines of character)

128x64Dots Serial/Parallel LCD

ST7920 Chinese Fonts built in LCD controller/driver

LCD drivers
Automatic power on reset (POR)
External reset pin (XRESET)
With the extension segment drivers, the display area can display up to 16 x 2 lines

Built-in RC oscillator: