ST STM32F101RET6

High-density access line, ARM-based 32-bit MCU with 256 to 512 KB Flash, 9 timers, 1 ADC and 10 communication interfaces

• Core: ARM 32-bit CortexTM-M3 CPU
• 36 MHz maximum frequency, 1.25 DMIPS/MHz (Dhrystone 2.1) performance
• Single-cycle multiplication and hardware division
• 256 to 512 Kbytes of Flash memory
• up to 48 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 capability
• 32 kHz oscillator for RTC with calibration
• Sleep, Stop and Standby modes
• VBAT supply for RTC and backup registers
• 1 x 12-bit, 1 μs A/D converters (up to 16 channels)
• Conversion range: 0 to 3.6 V
• Temperature sensor
• 2 x 12-bit D/A converters
• Up to 112 fast I/O ports
• 51/80/112 I/Os, all mappable on 16 external interrupt vectors and almost all 5V-tolerant
• Debug mode Serial wire debug (SWD) & JTAG interfaces
• Cortex-M3 Embedded Trace Macrocel ITM
• Up to four 16-bit timers, each with up to 4 IC/OC/PwM or pulse counters
• 2 x watchdog timers (Independent and Window)
• SysTick timer: a 24-bit downcounter
• 2 x 16-bit basic timers to drive the DAC
• Up to 10 communication interfaces
• Up to 2 x I²C interfaces (SMBus/PMBus)
• Up to 5 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
• Up to 3 SPIs (18 Mbit/s)