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نمایشگر GLCD 64x128 گرافیکی بک لایت آبی با درایور ST7920
نمایشگر GLCD 64x128 گرافیکی بک لایت آبی با درایور ST7920 نمایشگر GLCD 64x128 گرافیکی بک لایت آبی با درایور ST7920

نمایشگر GLCD 64x128 گرافیکی بک لایت آبی با درایور ST7920

نمایشگر GLCD 64x128 گرافیکی بک لایت آبی با درایور ST7920

از 1 رای
کد محصول : 4274768

Description

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.
ST7920 includes character ROM with 8192 16X16 dots Chinese fonts and 126 16X8 dots half height alphanumerical fonts. Also for graphic display it supports 64x256 dots graphic display area(GDRAM)and 240 dots ICON RAM. Mix mode display with both character and graphic data is possible. ST7920 has built in 4 sets CGRAM providing software programmable 16X16 font.
ST7920 has wide operating voltage (2.7V to 5.5V) and low power consumption suitable for battery power portable device.
ST7920 LCD driver consists of 33 common and 64 segments. Together with extension segment driver ST7921, ST7920 can support up to 33 common x 256 segments display.


Features
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
RC oscillator built in (with external R)
Low power design
- Normal mode (450uA Typ VDD=5V)
- Standby mode (30uA Max VDD=5V)
VLCD (V0~ Vss): max 7V
Graphic and character mix modes display
Multiple instructions:
- (Display clear)
- (Return home)
- (Display on/off)
- (Cursor on/off)
- (Display character blink)
- (Cursor shift)
- (Display shift)
- (Vertical line scroll)
- (By_line reverse display)
- (Standby mode)
Built in voltage booster (2 times)
1/33 Duty
Bare chip available




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