The LPC11A11FHN33 is an ARM Cortex-M0 based, low-cost 32-bit microcontroller, 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 LPC11A11FHN33 operates at CPU frequencies of up to 50 MHz. Analog/mixed-signal subsystems can be configured by software from interconnected digital and analog peripherals.
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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 (SWD)
* JTAG boundary scan
* System tick timer
* 8 kB on-chip flash program memory
* 512 B on-chip EEPROM data memory; byte erasable and byte programmable
* 2 kB SRAM data memory
* 16 kB boot ROM
* In-System Programming (ISP) for flash and In-Application Programming (IAP)
* Includes ROM-based 32-bit integer division and I2C-bus driver routines
* 28 General Purpose I/O (GPIO) pins
* Up to 16 pins are configurable with a digital input glitch filter
* GPIO pins can be used as edge and level sensitive interrupt sources
* High-current source output driver (20 mA) on one pin (PIO0_21)
* High-current sink driver (20 mA) on true open-drain pins (PIO0_2 and PIO0_3)
* Four general purpose counter/timers
* Programmable Windowed WatchDog Timer (WWDT)
* 10-bit ADC with input multiplexing among 8 pins
* 10-bit DAC with flexible conversion triggering
* Highly flexible analog comparator with a programmable voltage reference
* Integrated temperature sensor
* Internal voltage reference
* UnderVoltage Lockout (UVLO) protection against power-supply droop below 2.4 V
* USART with fractional baud rate generation
* Two SSP controllers with FIFO and multi-protocol capabilities
* I2C-bus interface supporting the full I2C-bus specification and Fast-mode Plus
* Crystal Oscillator (SysOsc) with an operating range of 1 MHz to 25 MHz
