STM32G431CB - 带DSP和FPU的170MHz主流ARM Cortex-M4 MCU，具有128 KB Flash存储器、数学加速器和中等模拟电平集成, STM32G431CBT3TR,

所有功能

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• 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:
  • V_DD, V_DDA voltage range: 1.71 V to 3.6 V
• MathematICal hardware accelerators
  • CORDIC for trigonometric functions acceleration
  • FMAC: filter mathematical accelerator
• Memories
  • 128 Kbytes of Flash memory with ECC support, proprietary code readout protection (PCROP), securable memory area, 1 Kbyte OTP
  • 22 Kbytes of SRAM, with hardware parity check implemented on the first 16 Kbytes
  • Routine booster: 10 Kbytes of SRAM on instruction and data bus, with hardware parity check (CCM SRAM)
• Reset and supply management
  • Power-on/power-down reset (POR/PDR/BOR)
  • Programmable voltage detector (PVD)
  • Low-power modes: sleep, stop, standby and shutdown
  • V_BAT 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 86 fast I/Os
  • All mappable on external interrupt vectors
  • Several I/Os with 5 V tolerant capability
• Interconnect matrix
• 12-channel DMA controller
• 2 x ADCs 0.25 µs (up to 23 channels). Resolution up to 16-bit with hardware oversampling, 0 to 3.6 V conversion range

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• 4 x 12-bit DAC channels
  • 2 x buffered external channels 1 MSPS
  • 2 x unbuffered internal channels 15 MSPS
• 4 x ultra-fast rail-to-rail analog comparators
• 3 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, 2.9 V)
• 14 timers:
  • 1 x 32-bit timer and 2 x 16-bit timers with up to four IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
  • 2 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
  • 1 x FDCAN controller supporting flexible data rate
  • 3 x I²C Fast mode plus (1 Mbit/s) with 20 mA current sink, SMBus/PMBus, wakeup from stop
  • 4 x USART/UARTs (ISO 7816 interface, LIN, IrDA, modem control)
  • 1 x LPUART
  • 3 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™

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