Arm Cortex-M3 processor, running at frequencies of up to 180 MHz

Arm Cortex-M3 built-in Memory Protection Unit (MPU) supporting eight regions

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

Non-maskable Interrupt (NMI) input

JTAG and Serial Wire Debug

ETM and ETB support

System tick timer

168 kB SRAM for code and data use

32 kB ROM containing boot code and on-chip software drivers

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

12 MHz internal RC oscillator trimmed to 1 % accuracy

Ultra-low power RTC crystal oscillator

Clock output

Two PLLs allow CPU operation up to the maximum CPU rate

Quad SPI Flash Interface with four lanes and data rates of up to 40 MB/s

One High-speed USB 2.0 Host/Device/OTG interface with DMA support

Four 550 UARTs with DMA support: one UART with full modem interface

One UART with IrDA interface

One C_CAN 2.0B controller with one channel

Two SSP controllers with FIFO and multi-protocol support

One Fast-mode Plus I2C-bus interface with monitor mode

One standard I2C-bus interface with monitor mode and standard I/O pins

One I2S interface with DMA support and with one input and one output

External Memory Controller (EMC)

SD/MMC card interface

Eight-channel General-Purpose DMA (GPDMA) controller

Up to 49 General-Purpose Input/Output (GPIO) pins

GPIO registers are located on the AHB for fast access

State Configurable Timer (SCT) subsystem on AHB

Four general-purpose timer/counters with capture and match capabilities

One motor control PWM for three-phase motor control

One Quadrature Encoder Interface (QEI)

Repetitive Interrupt timer (RI timer)

Windowed watchdog timer

Ultra-low power Real-Time Clock (RTC) on separate power domain

Alarm timer; can be battery powered

One 10-bit DAC with DMA support and a data conversion rate of 400 kSamples/s

Two 10-bit ADCs with DMA support and a data conversion rate of 400 kSamples/s

Hardware-based AES security engine programmable through an on-chip API

Two 128-bit secure OTP memories for AES key storage and customer use

Unique ID for each device

Single 3.3 V (2.2 V to 3.6 V) power supply with on-chip voltage regulator

RTC power domain can be powered separately by a 3 V battery supply

Four reduced power modes

Overdrive mode to increase CPU and bus clock frequency

Processor wake-up from Sleep mode via wake-up interrupts

Wake-up from Deep-sleep, Power-down, and Deep power-down modes

Brownout detect with four separate thresholds for interrupt and forced reset

Power-On Reset (POR)

Industrial

Consumer

White goods

RFID readers

e-Metering