HITACHI 16X2 LCD DATASHEET PDF

Download the Hitachi HD LCD Controller Datasheet and browse our LCDs that use this controller. Version HDU (LCD-II) (Dot Matrix Liquid. Matrix Multimedia LCD Display LCD Display datasheet . Module uses a Samsung KSU controller, which is similar to the Hitachi HD controller. Advances in the features, miniaturization, and cost of LCD (Liquid Crystal Display ) Nearly every pixel-based alphanumeric LCD module made today uses the Hitachi HD LCD Table 1: Character LCD Pinout.

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Using an extension driver, the device can display up to 80 characters. The Hitachi HD LCD controller is limited to monochrome text displays and is often used in copiersfax machineslaser printersindustrial test equipment, networking equipment, such as routers and storage devices.

Compatible LCD screens are manufactured in several standard configurations. Larger custom sizes are made with 32, 40 and 80 characters and with 1, 2, 4 or 8 lines. The most commonly manufactured larger configuration is 40×4. Character LCDs use a 16 contact interface, commonly using pins or card edge connections on 0.

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Hitachi HD LCD controller – Wikipedia

Those without backlights may have only 14 pins, omitting the two pins powering the light. The nominal operating voltage for LED backlights is 5V at full brightness, with dimming at lower voltages dependent on the details such as LED color. Non-LED backlights often require higher voltages. Selecting 4-bit or 8-bit mode requires careful selection of commands. There are two primary considerations.

First, with D3-D0 unconnected, these lines will always appear low 0b to the HD when it is in 8-bit mode. Second, the LCD may initially be in one of three states:. State3 may occur, for example, if a prior control was aborted after sending only the first 4 bits of a command while the LCD was in 4-bit mode.

Hitachi HD44780 LCD controller

Once in 4-bit mode, character and control data are transferred as pairs of 4-bit “nibbles” on the upper data pins, D7-D4. The four most significant bits must be written first, followed by the four least significant bits The HD instruction set is shown below: More recent compatible chips are available with higher resolution, matched to displays with more pixels.

Two versions of the ROM have been developed: A limited number of custom characters can be programmed into the device in the form of a bitmap using special commands.

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These characters have to be written to the device each time it is switched on, datasheeh they are stored in volatile memory. From Wikipedia, the free encyclopedia. An Introduction to Software and Hardware Interfacing 2nd ed. Sanchez, Julio; Canton, Maria P.

Download the Hitachi HD LCD Controller Datasheet Version

Retrieved from ” https: Hitachi Liquid crystal displays Display devices. All articles datashset unsourced statements Articles with unsourced statements from June Commons category link is on Wikidata Commons category link is on Wikidata using P Views Read Edit View history. In other projects Wikimedia Commons. This page was last edited on 17 Septemberat By using this site, you agree to the Terms of Use and Privacy Policy.

Returns cursor to home position. Also returns display being shifted to the original position. DDRAM content remains unchanged.

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