STM32G491CET6

STM32G491CET6

STM32G491CEU3

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Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, High Analog level integration
Quantity $ per Unit Savings
1 - 9$7.360%
10 - 24$6.6510%
25 - 99$6.3414%
100 - 249$5.5125%
250 - 499$5.2628%
500$4.7935%
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Parameter NameParameter Value
Supply Voltage Min Volt1.71
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
CoreArm Cortex-M4
ECCN US3A991A2
ECCN EUNEC
Packing TypeTray
ROHS Compliance GradeEcopack2
GradeIndustrial
Package NameUFQFPN 48 7x7x0.55 mm
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, 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: 16 Kbytes of SRAM on instruction and data bus, with hardware parity check (CCM SRAM)
    • 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 86 fast I/Os
    • All mappable on external interrupt vectors
    • Several I/Os with 5 V tolerant capability
  • Interconnect matrix
  • 16-channel DMA controller
  • 3 x ADCs 0.25 µs (up to 36 channels). Resolution up to 16-bit with hardware oversampling, 0 to 3.6 V conversion range
  • 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
  • 4 x operational amplifiers that can be used in PGA mode, all terminals accessible
  • Internal voltage reference