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STM32F101C4：Mainstream Access line, ARM Cortex-M3 MCU with 16 Kbytes Flash, 36 MHz CPU

The STM32F101x4 and STM32F101x6 Low-density access line family incorporates the high-performance ARM Cortex^®-M3 32-bit RISC core operating at a 36 MHz frequency, high-speed embedded memories (Flash memory of 16 to 32 Kbytes and SRAM of 4 to 6 Kbytes), and an extensive range of enhanced peripherals and I/Os connected to two APB buses. All devices offer standard communication interfaces (one I²C, one SPI, and two USARTs), one 12-bit ADC and up to two general-purpose 16-bit timers.

The STM32F101xx Low-density access line family operates in the –40 to +85 °C temperature range, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving mode allows the design of low-power applications.

The STM32F101xx Low-density access line family includes devices in three different packages ranging from 36 pins to 64 pins. Depending on the device chosen, different sets of peripherals are included, the description below gives an overview of the complete range of peripherals proposed in this family.

These features make the STM32F101xx Low-density access line microcontroller family suitable for a wide range of applications such as application control and user interface, medical and handheld equipment, PC peripherals, gaming and GPS platforms, industrial applications, PLCs, inverters, printers, scanners, alarm systems, Video intercoms, and HVACs.

Key Features

• Core: ARM® 32-bit Cortex® -M3 CPU
  • 36 MHz maximum frequency,1.25 DMIPS/MHz (Dhrystone 2.1) performance at 0 wait state memory access
  • Single-cycle multiplication and hardware division
• Memories
  • 16 to 32 Kbytes of Flash memory
  • 4 to 6 Kbytes of SRAM
• 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
  • PLL for CPU clock
  • 32 kHz oscillator for RTC with calibration
• Low power
  • Sleep, Stop and Standby modes
  • VBAT supply for RTC and backup registers
• Debug mode
  • Serial wire debug (SWD) and JTAG interfaces
• DMA
  • 7-channel DMA controller
  • Peripherals supported: timers, ADC, SPIs, I2 Cs and USARTs
• 1 × 12-bit, 1 μs A/D converter (up to 16 channels)
  • Conversion range: 0 to 3.6 V
  • Temperature sensor
• Up to 51 fast I/O ports
  • 26/37/51 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant
• Up to 5 timers
  • Up to two16-bit timers, each with up to 4 IC/OC/PWM or pulse counter
  • 2 watchdog timers (Independent and Window)
  • SysTick timer: 24-bit downcounter
• Up to 4 communication interfaces
  • 1 x I2 C interface (SMBus/PMBus)
  • Up to 2 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
  • 1 × SPI (18 Mbit/s)
• CRC calculation unit, 96-bit unique ID
• ECOPACK® packages

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