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Description

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.

Features

■ Core: ARM 32-bit Cortex?-M3CPU

– 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

–VBATsupply for RTC and backup registers

■ Debug mode

– Serial wire debug (SWD) and JTAG interfaces

■ DMA

– 7-channel DMA controller

– Peripherals supported: timers, ADC, SPIs, I2Cs and USARTs

■ 1 × 12-bit, 1 ?s 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 I2C 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