STM32G474RBT3

This is an Arm® Cortex®-M4 32-bit MCU+FPU operating at up to 170 MHz, delivering 213 DMIPS performance, with rich analog peripherals, a math accelerator, and a 12-channel high-resolution timer with 184 ps resolution.

Key features

• Core: Arm 32-bit Cortex-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait-state execution from Flash memory, frequency up to 170 MHz with 213 DMIPS, MPU, DSP instructions
• Operating conditions:
• VDD, VDDA voltage range: 1.71 V to 3.6 V
• Mathematical hardware accelerators
• CORDIC for trigonometric functions acceleration
• FMAC: filter mathematical accelerator
• Memories
• 512 Kbytes of Flash memory with ECC support, two banks read-while-write, proprietary code readout protection (PCROP), securable memory area, 1 Kbyte OTP
• 96 Kbytes of SRAM, with hardware parity check implemented on the first 32 Kbytes
• Routine booster: 32 Kbytes of SRAM on instruction and data bus, with hardware parity check (CCM SRAM)
• External memory interface for static memories FSMC supporting SRAM, PSRAM, NOR and NAND memories
• Quad-SPI memory interface
• Reset and supply management
• Power-on/power-down reset (POR/PDR/BOR)
• Programmable voltage detector (PVD)
• Low-power modes: sleep, stop, standby and shutdown
• VBAT supply for RTC and backup registers
• Clock management
• 4 to 48 MHz crystal oscillator
• 32 kHz oscillator with calibration
• Internal 16 MHz RC with PLL option (± 1%)
• Internal 32 kHz RC oscillator (± 5%)
• Up to 107 fast I/Os
• All mappable on external interrupt vectors. Several I/Os with 5 V tolerant capability
• Interconnect matrix
• 16-channel DMA controller
• 5 x 12-bit ADCs 0.25 μs, up to 42 channels. Resolution up to 16-bit with hardware oversampling, 0 to 3.6 V conversion range
• 7 x 12-bit DAC channels
• 3 x buffered external channels 1 MSPS
• 4 x unbuffered internal channels 15 MSPS
• 7 x ultra-fast rail to-rail analog comparators
• 6 x operational amplifiers that can be used in PGA mode, all terminals accessible
• Internal voltage reference buffer (VREFBUF) supporting three output voltages (2.048 V, 2.5 V, 2.95 V)
• 17 timers:
• HRTIM (Hi-Resolution and complex waveform builder): 6 x16-bit counters, 184 ps resolution, 12 PWM
• 2 x 32-bit timer and 2 x 16-bit timers with up to four IC/DC/PWM or pulse counter and quadrature (incremental) encoder input
• 3 x 16-bit 8-channel advanced motor control timers, with up to 8 x PWM channels, dead time generation and emergency stop
• 1 x 16-bit timer with 2 x IC/OCs, one OCN/PWM, dead time generation and emergency stop
• 2 x 16-bit timers with IC/OC/OCN/PWM, dead time generation and emergency stop
• 2 x watchdog timers (independent, window)
• 1 x SysTick timer: 24-bit downcounter
• 2 x 16-bit basic timers
• 1 x low-power timer
• Calendar RTC with alarm, periodic wakeup from stop/standby
• Communication interfaces
• 3 x FDCAN controller supporting flexible data rate
• 4 x I²C Fast mode plus (1 Mbit/s) with 20 mA current sink, SMBus/PMBus, wakeup from stop
• 5 x USART/UARTs (ISO 7816 interface, LIN, IrDA, modem control)
• 1 x LPUART
• 4 x SPIs, 4 to 16 programmable bit frames, 2 x with multiplexed half duplex I²S interface
• 1 x SAI (serial audio interface)
• USB 2.0 full-speed interface with LPM and BCD support
• IRTIM (infrared interface)
• USB Type-C/USB power delivery controller (UCPD)
• True random number generator (RNG)
• CRC calculation unit, 96-bit unique ID
• Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell