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CP2401

Silicon Laboratories
Part Number CP2401
Manufacturer Silicon Laboratories
Description 128/64 SEGMENT LCD DRIVER
Published Dec 9, 2010
Detailed Description CP2400/1/2/3 128/64 S EGMENT L C D D RIVER LCD Driver Controls Digital Bus Interface 4-wire up to 128 segments (48...
Datasheet PDF File CP2401 PDF File

CP2401
CP2401

Overview
CP2400/1/2/3 128/64 S EGMENT L C D D RIVER LCD Driver Controls Digital Bus Interface 4-wire up to 128 segments (48-pin packages) or 64 segments (32-pin package) Supports static, 2-mux, 3-mux, and 4-mux displays On-chip bias generation with internal charge pump Low power blink capability SPI Interface operates up to 2.
5 Mbps with synchronous external clock or up to 1 Mbps with internal clock (CP2400/2 only).
GPIO Expander Expands GPIO count by up to 36 pins (48-pin packages) or 20 pins (32-pin package) GPIO pins may be configured to push-pull or open-drain outputs with two drive levels.
GPIO may also be used as digital inputs (CP2400/1/2/3 pullups included) Port Match Capability can wake up host controller using interrupt pin 5 V Tolerant I/O SMBus/I2C Interface operates up to 400 kHz with internal clock (CP2401/3 only).
Dedicated RST and INT pins.
Optional CLK pin can be used as a CMOS clock input.
2-wire Optional PWR pin (SMBus/I2C devices only) places the device in a low power mode.
SPI devices use the NSS pin to place the device in a low power mode.
Low Power 1.
8–3.
6 Ultra V operation with integrated LDO Low Power Mode w/ LCD (<3 µA typical) Shutdown current (0.
05 µA typical) Real Time Clock, SmaRTClock Precision time keeping with 32.
768 kHz watch crystal; self-oscillate mode requires no external crystal; accepts external 32 kHz CMOS clock 36-hour programmable counter with wake up alarm Can wake up the host controller using interrupt pin Low power (<1.
5 µA) Example Applications Handheld Utility Equipment Meters Thermostat Display Home Security Systems Packages Pb-free 256 Bytes RAM General purpose RAM expands the memory available to host controller.
general purpose 16-bit timers 48-pin QFP (9x9 mm footprint) [-Q] 48-pin QFN (7x7 mm footprint) [-M] Pb-free 32-pin QFN (5x5 mm footprint) Pb-free 16-bit Timers Two Ordering Part Numbers CP2400-G[M|Q] CP2401-G[M|Q] (SPI Interface) Clock ...


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