LC75806PT Description
ENA1425 LC75806PT CMOS IC 1/4 and 1/3-Duty LCD Display Driver with Key Input Function http://onsemi. Overview The LC75806PT is 1/4 duty and 1/3 duty LCD display driver that can directly drive up to 304 segments and can control up to 9 general-purpose output ports. This product also incorporates a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring.
LC75806PT Key Features
- Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)
- Capable of driving up to 304 segments using 1/4 duty and up to 231 segments using 1/3 duty
- Switching between key scan output and segment output can be controlled from serial data
- The key scan operation enabled/disabled state can be controlled from serial data
- Switching between segment output port and general-purpose output port can be controlled from serial data
- Switching between general-purpose output port, clock output port, and segment output port can be controlled
- Serial data I/O supports CCB format munication with the system controller. (Support 3.3V and 5V operation)
- Sleep mode and all segments off functions that are controlled from serial data
- The frame frequency of the mon and segment output waveforms can be controlled from serial data
- Switching between RC oscillator operating mode and external clock operationg mode can be controlled from