Mainstream Performance line, Arm Cortex-M3 MCU with 512 Kbytes of Flash memory, 72 MHz CPU, motor control, USB and CAN



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Core: ARM® 32-bit Cortex®-M3 CPU

72 MHz maximum frequency, 1.25 DMIPS/MHz (Dhrystone 2.1) performance at 0 wait state memory access

Single-cycle multiplication and hardware division


256 to 512 Kbytes of Flash memory

up to 64 Kbytes of SRAM

Flexible static memory controller with 4 Chip Select. Supports Compact Flash, SRAM, PSRAM, NOR and NAND memories

LCD parallel interface, 8080/6800 modes

Clock, reset and supply management

2.0 to 3.6 V application supply and I/Os

POR, PDR, and programmable voltage detector (PVD)

4-to-16 MHz crystal oscillator

Internal 8 MHz factory-trimmed RC

Internal 40 kHz RC with calibration

32 kHz oscillator for RTC with calibration

Low power

Sleep, Stop and Standby modes

VBAT supply for RTC and backup registers

3 × 12-bit, 1 μs A/D converters (up to 21 channels)

Conversion range: 0 to 3.6 V

Triple-sample and hold capability

Temperature sensor

2 × 12-bit D/A converters

DMA: 12-channel DMA controller

Supported peripherals: timers, ADCs, DAC, SDIO, I2Ss, SPIs, I2Cs and USARTs

Debug mode

Serial wire debug (SWD) & JTAG interfaces

Cortex®-M3 Embedded Trace Macrocell™

Up to 112 fast I/O ports

51/80/112 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant

Up to 11 timers

Up to four 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input

2 × 16-bit motor control PWM timers with dead-time generation and emergency stop

2 × watchdog timers (Independent and Window)

SysTick timer: a 24-bit downcounter

2 × 16-bit basic timers to drive the DAC

Up to 13 communication interfaces

Up to 2 × I2C interfaces (SMBus/PMBus)

Up to 5 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)

Up to 3 SPIs (18 Mbit/s), 2 with I2S interface multiplexed

CAN interface (2.0B Active)

USB 2.0 full speed interface

SDIO interface

CRC calculation unit, 96-bit unique ID

ECOPACK® packages

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