The LPC1110FD20 is an ARM Cortex-M0 based, low-cost 32-bit MCU, designed for 8/16-bit microcontroller applications, offering performance, low power, simple instruction set and memory addressing together with reduced code size compared to existing 8/16-bit architectures. The LPC1110FD20 operates at CPU frequencies of up to 50 MHz. The LPC1110FD20 includes up to 4 kB of flash memory, up to 1 kB of data memory, one Fastmode Plus I²C-bus interface, one RS-485/EIA-485 UART, one SPI interface with SSP features, four general purpose counter/timers, a 10-bit ADC, and up to 16 general purpose I/O pins.
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## Features
* ARM Cortex-M0 processor, running at frequencies of up to 50 MHz
* ARM Cortex-M0 built-in Nested Vectored Interrupt Controller (NVIC)
* Serial Wire Debug
* System tick timer
* 4 kB on-chip flash programming memory
* 1 kB SRAM
* In-System Programming (ISP) and In-Application Programming (IAP)
* 16 General Purpose I/O (GPIO) pins with configurable pull-up/-down resistors
* High-current output driver (20 mA) on one pin
* Programmable WatchDog Timer (WDT)
* 10-bit ADC with input multiplexing among 5 pins
* UART with fractional baud rate generation
* One SPI controller with SSP features and FIFO and multi-protocol capabilities
* I²C-bus interface supporting full I²C-bus specification and Fast-mode Plus
* Integrated PMU (Power Management Unit) to minimize power consumption
* Power profiles residing in boot ROM (LPC1100Land LPC1100XL series only)
