DESCRIPTION

· The CP2400/1/2/3 is a versatile LCD driver and GPIO expander designed for low-power applications. It supports up to 128 segments in 48-pin packages and 64 segments in 32-pin packages. The device includes an integrated real-time clock, 256 bytes of RAM, and two 16-bit timers. It operates on a 1.8–3.6 V supply with an integrated LDO and offers ultra-low power modes.

FEATURES

· Controls up to 128 segments (48-pin) or 64 segments (32-pin).
· Supports static, 2-mux, 3-mux, and 4-mux LCD displays.
· On-chip bias generation with internal charge pump.
· Expands GPIO by up to 36 pins (48-pin) or 20 pins (32-pin).
· 5 V tolerant I/O with push-pull or open-drain output options.
· Precision real-time clock with 32.768 kHz crystal support.
· 256 bytes of general-purpose RAM.
· Two 16-bit timers and multiple clock sources.
· 4-wire SPI (up to 2.5 Mbps) or 2-wire SMBus/I2C (up to 400 kHz) interfaces.
· Ultra-low power modes with shutdown current as low as 0.05 μA.

APPLICATIONS

· Handheld equipment.
· Utility meters.
· Thermostat displays.
· Home security systems.