Hitachi

Description

The software drives both a parallel LCD module (based on an HD44780 driver with or without an HD44100 ) and a serial VFD module (based on an MSC7128 Page 1. 1. HD44780U (LCD-II). (Dot Matrix Liquid Crystal Display Controller/ Driver). ADE-207-272(Z). 99.9. Rev. 0.0. Description. The HD44780U Pure display drivers (e.g., MSM5219, UPD7225, HD44100 , LC7942, etc.) generally have a high-frequency serial input and continuously require new display Figure 3 shows the circuit diagram of the digital board. A parallel high contrast LCD module (based on an HD44780 driver with an HD44100 expansion chip) In conjunction with an HD44100 , it can facilitate an 8-way multiplexed higher contrast display. The input level on a port pin selects the appropriate type of