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

Arm Cortex-M3 Built-in Nested Vector Interrupt Controller (NVIC)

Up to 512 KB of on-chip flash programmable memory

Up to 64 kB of on-chip SRAM

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

8-channel Universal DMA Controller (GPDMA)

Ethernet MAC with RMII interface and dedicated DMA controller

USB 2.0 full speed device/host /OTG controller

Four UART with decimal baud rate generator, internal FIFO, and DMA support

Dual channel CAN 2.0B controller

SPI controller with synchronous, serial, full duplex communication

2 SSP controllers with FIFO and multi-protocol capabilities

Three enhanced I2C bus interfaces

I2S (audio chip interconnection) interface

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

12 bit /8 channel analog/digital converter (ADC) with conversion rate up to 200 kHz

10 bit digital/analog converter (DAC) with dedicated conversion timer and DMA

4 universal timers/counters

A motor control PWM, support three-phase motor control

Orthogonal encoder interface to monitor an external orthogonal encoder

A standard PWM/ timer module with external counting input

Low power RTC with separate power domain and dedicated oscillator

Watchdog Timer (WDT)

The Arm Cortex-M3 system beat timer includes an external clock input option

The repeat Interrupt timer provides programmable and repeat timed interrupts

To further save power, each peripheral has its own clock divider

Standard JTAG testing/debugging interface compatible with existing tools

Integrated PMU(Power Management Unit)

Four low-power modes: Sleep mode, deep sleep mode, power failure mode, and deep power failure mode

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

Four external interrupt inputs that can be configured as edge/level triggered

Unmasked interrupt (NMI) input

Wake up Interrupt Controller (WIC)

The processor wakes up from power down mode with any interrupt

Power failure detection using separate thresholds for interrupt and forced reset

Power-on Reset (POR)

Crystal oscillators operating from 1 MHz to 25 MHz

4 MHz internal RC oscillator calibrated to 1% accuracy

Code Read Protection with different levels of Security (CRP)

A unique serial number that can be used for chip identification