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STM32F302K6：Mainstream Mixed signals MCUs ARM Cortex-M4 core with DSP and FPU, 64 Kbytes Flash, 72 MHz CPU, CCM, 12-bit ADC 5 MSPS, Comparator, Op-Amp

The STM32F302x6/8 family is based on the high-performance ARM® Cortex®-M4 32-bit RISC core operating at a frequency of up to 72 MHz and embedding a floating point unit (FPU). The family incorporates high-speed embedded memories (up to 64 Kbytes of Flash memory, 16 Kbytes of SRAM), and an extensive range of enhanced I/Os and peripherals connected to two APB buses.

The devices offer a fast 12-bit ADC (5 Msps), three comparators, an operational amplifier, up to 18 capacitive sensing channels, one DAC channel, a low-power RTC, one general-purpose 32-bit timer, one timer dedicated to motor control, and up to three general-purpose 16-bit timers, and one timer to drive the DAC. They also feature standard and advanced communication interfaces: three I²Cs, up to three USARTs, up to two SPIs with multiplexed full-duplex I2S, a USB FS device, a CAN, and an infrared transmitter.

The STM32F302x6/8 family operates in the –40 to +85°C and –40 to +105°C temperature ranges from at a 2.0 to 3.6 V power supply. A comprehensive set of power-saving mode allows the design of low-power applications.

The STM32F302x6/8 family offers devices in 32-, 48-, 49- and 64-pin packages.

The set of included peripherals changes with the device chosen.

Key Features

• Core: ARM® 32-bit Cortex®-M4 CPU with FPU (72 MHz max.), single-cycle multiplication and HW division, DSP instruction
• Memories
  • 32 to 64 Kbytes of Flash memory
  • 16 Kbytes of SRAM on data bus
• CRC calculation unit
• Reset and power management
  • VDD , VDDA voltage range: 2.0 to 3.6 V
  • Power-on/Power down reset (POR/PDR)
  • Programmable voltage detector (PVD)
  • Low-power: Sleep, Stop, and Standby
  • VBAT supply for RTC and backup registers
• Clock management
  • 4 to 32 MHz crystal oscillator
  • 32 kHz oscillator for RTC with calibration
  • Internal 8 MHz RC with x 16 PLL option
  • Internal 40 kHz oscillator
• Up to 51 fast I/O ports, all mappable on external interrupt vectors, several 5 V-tolerant
• Interconnect matrix
• 7-channel DMA controller supporting timers, ADCs, SPIs, I2 Cs, USARTs and DAC
• 1 × ADC 0.20 μs (up to 15 channels) with selectable resolution of 12/10/8/6 bits, 0 to 3.6 V conversion range, single ended/differential mode, separate analog supply from 2.0 to 3.6 V
• Temperature sensor
• 1 x 12-bit DAC channel with analog supply from 2.4 to 3.6 V
• Three fast rail-to-rail analog comparators with analog supply from 2.0 to 3.6 V
• 1 x operational amplifier that can be used in PGA mode, all terminal accessible with analog supply from 2.4 to 3.6 V
• Up to 18 capacitive sensing channels supporting touchkey, linear and rotary sensors
• Up to 9 timers
  • One 32-bit timer with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
  • One 16-bit 6-channel advanced-control timer, with up to 6 PWM channels, deadtime generation and emergency stop
  • Three 16-bit timers with IC/OC/OCN or PWM, deadtime gen. and emergency stop
  • One 16-bit basic timer to drive the DAC
  • 2 watchdog timers (independent, window)
  • SysTick timer: 24-bit downcounter
• Calendar RTC with alarm, periodic wakeup from Stop/Standby
• Communication interfaces
  • Three I2Cs with 20 mA current sink to support Fast mode plus
  • Up to 3 USARTs, 1 with ISO 7816 I/F, autobaudrate detect and Dual clock domain
  • Up to two SPIs with multiplexed full duplex I2S
  • USB 2.0 full-speed interface
  • 1 x CAN interface (2.0B Active)
  • Infrared transmitter
• Serial wire debug (SWD), JTAG
• 96-bit unique ID

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