STM32F302RET6TR

This is an ARM Cortex-M4 32-bit MCU with an integrated FPU, operating at up to 72MHz, featuring Flash and SRAM, and supporting multiple functional modules including FSMC, ADC, DAC, comparators, and op-amps, with an operating voltage range of 2.0V to 3.6V.

Key features

• Core: ARM Cortex-M4 32-bit CPU with 72 MHz FPU, single-cycle multiplication and HW division, 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. – 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
• Two ADCs 0.20 μs (up to 18 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
• One 12-bit DAC channels with analog supply from 2.4 to 3.6 V
• Four ultra-fast rail-to-rail analog comparators with analog supply from 2.0 to 3.6 V
• Two 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 11 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 One 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
• One 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 I²C 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 I2S interface
• USB 2.0 full-speed interface with LPM support
• Infrared transmitter
• SWD, Cortex-M4 with FPU ETM, JTAG
• 96-bit unique ID