Description:

The TM1730 is a memory-mapped, multifunctional LCD driver dedicated chip supporting either 80-dot mode (20 SEG × 4 COM) or 128-dot mode (16 SEG × 8 COM), with a built-in maximum key scan matrix circuit of 20×1 or 16×1. The software configuration features of the TM1730 make it suitable for a variety of LCD applications, including LCD modules and display subsystems. The connection between the host controller and the TM1730 requires only a 2-wire I²C communication interface. This product offers excellent performance and high reliability.

Features:

Operating voltage: 2.4 V to 5.5 V

Fabricated with CMOS process

Various display modes:

In 20×4 display mode: 20 SEG and 4 COM, 1/3 bias, 1/4 duty

In 16×8 display mode: 16 SEG and 8 COM, 1/4 bias, 1/8 duty

Key scan function:

Maximum 20×1 matrix scan circuit in 20×4 display mode

Maximum 16×1 matrix scan circuit in 16×8 display mode

R/W address auto-increment

Optional hardware interrupt

Built-in maximum 16 × 8-bit display data register

I²C communication interface

Package type: SOP-28

Applications:

Industrial control indicators

Digital clocks, thermometers, counters, voltmeters

Instrument reading displays

Other consumer application LCD displays