ST STM32F302CBT6

Arm-based Cortex-M4 32b MCU+FPU, up to 256KB Flash + 40KB SRAM, 2 ADCs, 1 DAC ch., 4 comp, 2 PGA, timers, 2.0-3.6 V

• Core: Arm Cortex-M4 32-bit CPU with FPU (72 MHz max), single-cycle multiplication and HW division, DSP instruction and MPU (memory protection unit)
• Operating conditions: – VDD, VDDA voltage range: 2.0V to 3.6V
• Memories – 128 to 256 Kbytes of Flash memory – Up to 40 Kbytes of SRAM, with HW parity check implemented on the first 16 Kbytes.
• 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 – 32kHz oscillator for RTC with calibration – Internal 8 MHz RC with x 16 PLL option – Internal 40kHz oscillator
• Up to 87 fast I/Os – All mappable on external interrupt vectors – Several 5 V-tolerant
• Interconnect matrix
• 12-channel DMA controller
• Two ADCs 0.20µs (up to 17 channels) with selectable resolution of 12/10/8/6 bits, 0 to 3.6V conversion range, single ended/differential input, separate analog supply from 2 to 3.6V
• One 12-bit DAC channel with analog supply from 2.4 to 3.6V
• Four fast rail-to-rail analog comparators with analog supply from 2 to 3.6V
• Two operational amplifiers that can be used in PGA mode, all terminals accessible with analog supply from 2.4 to 3.6V
• 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 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 One 16-bit timer with 2 IC/OCs, 1 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)
• SysTick timer: 24-bit downcounter
• One 16-bit basic timer to drive the DAC
• Calendar RTC with Alarm, periodic wakeup from Stop/Standby
• Communication interfaces – CAN interface (2.0B Active) Two I2C Fast mode plus (1 Mbit/s) with 20mA current sink, SMBus/PMBus, wakeup from STOP Up to five USART/UARTs (ISO 7816 interface, LIN, IrDA, modem control)
• Up to three SPIs, two with multiplexed half/full duplex I2S interface, 4 to 16 programmable bit frames
• USB 2.0 full speed interface
• Infrared transmitter
• Serial wire debug, Cortex-M4 with FPU ETM, JTAG
• 96-bit unique ID