STM32F302K8U6

Microcontroller based on ARM Cortex-M4 32-bit CPU with floating-point unit, operating at up to 72MHz, supporting single-cycle multiplication, hardware division, and DSP instructions. Integrates up to 64KB Flash and 16KB SRAM. Features rich analog and digital peripherals including ADC, DAC, comparators, operational amplifiers, timers, communication interfaces (including USB and CAN), and a capacitive touch sensing controller. Operating voltage range: 2.0V to 3.6V.

Key features

• Core: ARM 32-bit Cortex-M4 CPU with FPU (72 MHz max.), single-cycle multiplication and HW division, DSP instruction
• 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, I²Cs, USARTs and DAC
• 1 x 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, auto baudrate 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