Purchase HD44780U, In-stock HD44780U From SeekIC.
MFG:HITCHIA D/C:00+
Part Number: HD44780U
MFG: HITCHIA
D/C: 00+
Description: The HD44780U dot-matrix liquid crystal display controller and driver LSI displays alphanumerics,Japanese kana character...
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HD44780U
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DataSheet
General Description
HD44780U General Description
The HD44780U dot-matrix liquid crystal display controller and driver LSI displays alphanumerics,Japanese kana characters, and symbols. It can be configured to drive a dot-matrix liquid crystal display under the control of a 4- or 8-bit microprocessor. Since all the functions such as display RAM, character generator, and liquid crystal driver, required for driving a dot-matrix liquid crystal display are internally provided on one chip, a minimal system can be interfaced with this controller/driver.
A single HD44780U can display up to one 8-character line or two 8-character lines.
The HD44780U has pin function compatibility with the HD44780S which allows the user to easily replace an LCD-II with an HD44780U. The HD44780U character generator ROM is extended to generate 208 5 8 dot character fonts and 32 5 10 dot character fonts for a total of 240 different character fonts.
The low power supply (2.7V to 5.5V) of the HD44780U is suitable for any portable battery-driven product requiring low power dissipation.
HD44780U Features
* 5 8 and 5 10 dot matrix possible
* Low power operation support:
2.7 to 5.5V
* Wide range of liquid crystal display driver power
3.0 to 11V
* Liquid crystal drive waveform
A (One line frequency AC waveform)
* Correspond to high speed MPU bus interface
2 MHz (when VCC = 5V)
* 4-bit or 8-bit MPU interface enabled
* 80 · 8-bit display RAM (80 characters max.)
* 9,920-bit character generator ROM for a total of 240 character fonts
208 character fonts (5 · 8 dot)
32 character fonts (5 · 10 dot)
* 64 · 8-bit character generator RAM
8 character fonts (5 · 8 dot)
4 character fonts (5 · 10 dot)
* 16-common · 40-segment liquid crystal display driver
* Programmable duty cycles
1/8 for one line of 5 · 8 dots with cursor
1/11 for one line of 5 · 10 dots with cursor
1/16 for two lines of 5 · 8 dots with cursor
* Wide range of instruction functions:
Display clear, cursor home, display on/off, cursor on/off, display character blink, cursor shift,display shift
* Pin function compatibility with HD44780S
* Automatic reset circuit that initializes the controller/driver after power on
* Internal oscillator with external resistors
* Low power consumption
* Low power operation support:
2.7 to 5.5V
* Wide range of liquid crystal display driver power
3.0 to 11V
* Liquid crystal drive waveform
A (One line frequency AC waveform)
* Correspond to high speed MPU bus interface
2 MHz (when VCC = 5V)
* 4-bit or 8-bit MPU interface enabled
* 80 · 8-bit display RAM (80 characters max.)
* 9,920-bit character generator ROM for a total of 240 character fonts
208 character fonts (5 · 8 dot)
32 character fonts (5 · 10 dot)
* 64 · 8-bit character generator RAM
8 character fonts (5 · 8 dot)
4 character fonts (5 · 10 dot)
* 16-common · 40-segment liquid crystal display driver
* Programmable duty cycles
1/8 for one line of 5 · 8 dots with cursor
1/11 for one line of 5 · 10 dots with cursor
1/16 for two lines of 5 · 8 dots with cursor
* Wide range of instruction functions:
Display clear, cursor home, display on/off, cursor on/off, display character blink, cursor shift,display shift
* Pin function compatibility with HD44780S
* Automatic reset circuit that initializes the controller/driver after power on
* Internal oscillator with external resistors
* Low power consumption
HD44780U Connection Diagram
HD44780U
PDF/DataSheet Download
- Datasheet: HD44780U
- File Size: 324071 KB
- Manufacturer: HITACHI [Hitachi Semiconductor]
- Click here to Download
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