Arm® Cortex-M3 processor, running at frequencies of up to 100 MHz

Arm Cortex-M3 built-in Nested Vectored Interrupt Controller (NVIC)

Up to 128 kB on-chip flash programming memory

Up to 32 kB On-chip SRAM

In-System Programming (ISP) and In-Application Programming (IAP)

Eight channel General Purpose DMA controller (GPDMA)

Ethernet MAC with RMII interface and dedicated DMA controller

USB 2.0 full-speed device/Host/OTG controller

Four UARTs with fractional baud rate generation, internal FIFO, and DMA support

CAN 2.0B controller with two channels

SPI controller with synchronous, serial, full duplex communication

Two SSP controllers with FIFO and multi-protocol capabilities

Three enhanced I2C bus interfaces

70 General Purpose I/O (GPIO) pins with configurable pull-up/down resistors

12-bit/8-ch Analog/Digital Converter (ADC) with conversion rates up to 200 kHz

Four general purpose timers/counters

One motor control PWM with support for three-phase motor control

Quadrature encoder interface that can monitor one external quadrature encoder

One standard PWM/timer block with external count input

Low power RTC with a separate power domain and dedicated oscillator

WatchDog Timer (WDT)

Arm Cortex-M3 system tick timer, including an external clock input option

Repetitive interrupt timer provides programmable and repeating timed interrupts

Each peripheral has its own clock divider for further power savings

Standard JTAG test/debug interface for compatibility with existing tools

Integrated PMU (Power Management Unit)

Four reduced power modes: Sleep, Deep-sleep, Power-down, and Deep power-down

Single 3.3 V power supply (2.4 V to 3.6 V)

Four external interrupt inputs configurable as edge/level sensitive

Non-maskable Interrupt (NMI) input

Wake-up Interrupt Controller (WIC)

Processor wake-up from Power-down mode via any interrupt

Brownout detect with separate threshold for interrupt and forced reset

Power-On Reset (POR)

Crystal oscillator with an operating range of 1 MHz to 25 MHz

4 MHz internal RC oscillator trimmed to 1 % accuracy

Code Read Protection (CRP) with different security levels

Unique device serial number for identification purposes

eMetering

Lighting

Industrial networking

Alarm systems

White goods

Motor control