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STM32F303ZE：Mainstream Mixed signals MCUs ARM Cortex-M4 core with DSP and FPU, 512 Kbytes Flash, 72 MHz CPU, MPU, CCM, 12-bit ADC 5 MSPS, PGA, comparators

The STM32F303xD/E family is based on the high-performance ARM^®Cortex^®-M4 32-bit RISC core with FPU operating at a frequency of 72 MHz, and embedding a floating point unit (FPU), a memory protection unit (MPU) and an embedded trace macrocell (ETM). The family incorporates high-speed embedded memories (512-Kbyte Flash memory, 80-Kbyte SRAM), a flexible memory controller (FSMC) for static memories (SRAM, PSRAM, NOR and NAND), and an extensive range of enhanced I/Os and peripherals connected to an AHB and two APB buses.

The devices offer four fast 12-bit ADCs (5 Msps), seven comparators, four operational amplifiers, two DAC channels, a low-power RTC, up to five general-purpose 16-bit timers, one general-purpose 32-bit timer, and up,to three timers dedicated to motor control. They also feature standard and advanced communication interfaces: up to three I²Cs, up to four SPIs (two SPIs are with multiplexed full-duplex I²Ss), three USARTs, up to two UARTs, CAN and USB. To achieve audio class accuracy, the I²S peripherals can be clocked via an external PLL.

The STM32F303xD/E family operates in the -40 to +85°C and -40 to +105°C temperature ranges 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 STM32F303xD/E family offers devices in different packages ranging from 64 to 144 pins.

Depending on the device chosen, different sets of peripherals are included.

Key Features

• Core: ARM® Cortex® -M4 32-bit CPU with 72 MHz FPU, single-cycle multiplication and HW division, 90 DMIPS (from CCM), DSP instruction and MPU (memory protection unit)
• Operating conditions:
  • VDD , VDDA voltage range: 2.0 V to 3.6 V
• Memories
  • Up to 512 Kbytes of Flash memory
  • 64 Kbytes of SRAM, with HW parity check implemented on the first 32 Kbytes.
  • Routine booster: 16 Kbytes of SRAM on instruction and data bus, with HW parity check (CCM)
  • Flexible memory controller (FSMC) for static memories, with four Chip Select
• CRC calculation unit
• Reset and supply management
  • Power-on/Power-down reset (POR/PDR)
  • Programmable voltage detector (PVD)
  • Low-power modes: 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 115 fast I/Os
  • All mappable on external interrupt vectors
  • Several 5 V-tolerant
• Interconnect matrix
• 12-channel DMA controller
• Four ADCs 0.20 μs (up to 40 channels) with selectable resolution of 12/10/8/6 bits, 0 to 3.6 V conversion range, separate analog supply from 2.0 to 3.6 V
• Two 12-bit DAC channels with analog supply from 2.4 to 3.6 V
• Seven ultra-fast rail-to-rail analog comparators with analog supply from 2.0 to 3.6 V
• Four operational amplifiers that can be used in PGA mode, all terminals accessible with analog supply from 2.4 to 3.6 V
• Up to 24 capacitive sensing channels supporting touchkey, linear and rotary touch sensors
• Up to 14 timers:
  • One 32-bit timer and two 16-bit timers with up to four IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
  • Three 16-bit 6-channel advanced-control timers, with up to six PWM channels, deadtime generation and emergency stop
  • One 16-bit timer with two IC/OCs, one OCN/PWM, deadtime generation and emergency stop
  • Two 16-bit timers with IC/OC/OCN/PWM, deadtime generation and emergency stop
  • Two watchdog timers (independent, window)
  • One SysTick timer: 24-bit downcounter
  • Two 16-bit basic timers to drive the DAC
• Calendar RTC with Alarm, periodic wakeup from Stop/Standby
• Communication interfaces
  • CAN interface (2.0B Active)
  • Three I2 C Fast mode plus (1 Mbit/s) with 20 mA current sink, SMBus/PMBus, wakeup from STOP
  • Up to five USART/UARTs (ISO 7816 interface, LIN, IrDA, modem control)
  • Up to four SPIs, 4 to 16 programmable bit frames, two with multiplexed half/full duplex I2 S interface
  • USB 2.0 full-speed interface with LPM support
  • Infrared transmitter
• SWD, Cortex® -M4 with FPU ETM, JTAG
• 96-bit unique ID

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