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 of SRAM

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

Eight channel General Purpose DMA controller (GPDMA)

Multilayer AHB matrix interconnect provides a separate bus for each AHB master

Split APB bus allows high throughput with few stalls between the CPU and DMA

USB 2.0 full-speed device/Host/OTG controller with dedicated DMA controller

Four UARTs with fractional baud rate generation

CAN 2.0B controller with one channel

SPI controller with synchronous, serial, full duplex communication

Two SSP controllers with FIFO and multi-protocol capabilities

Two I2C-bus interfaces supporting fast mode with a data rate of 400 kbit/s

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

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

10-bit Digital-to-Analog Converter (DAC)

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

Real-Time Clock (RTC)

WatchDog Timer (WDT)

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

Standard JTAG test/debug interface. Boundary scan Description Language (BSDL) is not availablefor this device

Integrated PMU (Power Management Unit)

Four reduced power modes

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

One external interrupt input configurable as edge/level sensitive

Non-maskable Interrupt (NMI) input

Wakeup 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

PLL allows CPU operation up to the maximum CPU rate

USB PLL for added flexibility

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