STM32F042G6U6

ARM-based 32-bit MCU, up to 32 KB Flash, crystal-less USB FS 2.0, CAN, 9 timers, ADC and comm. interfaces, 2.0 - 3.6 V

Key features

• Core: ARM 32-bit Cortex-M0 CPU, frequency up to 48 MHz
• Memories - 16 to 32 Kbytes of Flash memory - 6 Kbytes of SRAM with HW parity
• CRC calculation unit
• Reset and power management - Digital and I/Os supply: VDD = 2 V to 3.6 V - Analog supply: VDDA = from VDD to 3.6 V Selected I/O: VDDIO2 = 1.65 V to 3.6 V - Power-on/Power down reset (POR/PDR) - Programmable voltage detector (PVD) - Low power modes: Sleep, Stop, 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 x6 PLL option - Internal 40 kHz RC oscillator - Internal 48 MHz oscillator with automatic trimming based on ext. synchronization
• Up to 38 fast I/Os - All mappable on external interrupt vectors - Up to 24 I/Os with 5 V tolerant capability and 8 with independent suppy VDDIO2
• 5-channel DMA controller
• One 12-bit, 1.0 μs ADC (up to 10 channels) - Conversion range: 0 to 3.6 V - Separate analog supply: 2.4 V to 3.6 V
• Up to 14 capacitive sensing channels for touchkey, linear and rotary touch sensors
• Calendar RTC with alarm and periodic wakeup from Stop/Standby
• One 16-bit advanced-control timer for six channel PwM output
• One 32-bit and four 16-bit timers, with up to four IC/OC, OCN, usable for IR control decoding
• Independent and system watchdog timers
• SysTick timer
• One I2C interface supporting Fast Mode Plus (1 Mbit/s) with 20 mA current sink, SMBus/PMBus and wakeup
• Two USARTs supporting master synchronous SPI and modem control, one with ISO7816 interface, LIN, IrDA, auto baud rate detection and wakeup feature
• Two SPIs (18 Mbit/s) with 4 to 16 programmable bit frames, one with I2S interface multiplexed
• CAN interface
• USB 2.0 full-speed interface, able to run from internal 48 MHz oscillator and with BCD and LPM support
• HDMI CEC, wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID
• All packages ECOPACK2