STM32F103RET6

High-density performance line Arm®-based 32-bit MCUs with 256 to 512 KB Flash, USB, CAN, 11 timers, 3 ADCs and 13 communication interfaces.

Key features

• 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
• 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
• 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