STM32F334R8T6

ARM®Cortex®-M4 32bit MCU + FPU. It supports CAN interface (2.0 B Active) and one SPI, One I2C with 20 mA current sink to support fast mode plus, SMBus/PMBus, up to 3 USARTs, one with ISO/IEC 7816 interface, LIN, IrDA, modem control communication interfaces.

• Routine booster: 4Kbytes of SRAM on instruction and data bus with HW parity check (CCM)
• Reset and supply management (power-on/power-down reset, programmable voltage detector)
• low power modes: sleep, stop and standby
• Clock management (internal 8MHz RC and internal 40KHz oscillator)
• Up to 51 fast I/O ports, all mappable on external interrupt vectors, several 5V-tolerant
• Interconnect matrix, 7channel DMA controller and two ADC, three 12bit DAC
• Temperature sensor and one operational amplifier, 3 ultra-fast rail to rail analogue comparators
• Up to 18 capacitive sensing channels supporting touch keys, linear and rotary touch sensors
• Serial wire debug (SWD), JTAG debug mode and 96bit unique ID
• Up to 12 timers and calendar RTC with alarm, periodic wakeup from stop