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STM32G041C6

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Mainstream Arm Cortex-M0+ MCU with 64 Kbytes of Flash memory, 8 Kbytes RAM, 64 MHz CPU, 2x USART, timers, ADC, comm. I/F, AES256, 1.7-3.6V

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Product overview

Description

The STM32G041x6/x8 mainstream microcontrollers are based on high-performance Arm® Cortex®-M0+ 32-bit RISC core operating at up to 64 MHz frequency. Offering a high level of integration, they are suitable for a wide range of applications in consumer, industrial and appliance domains and ready for the Internet of Things (IoT) solutions. The devices incorporate a memory protection unit (MPU), high-speed embedded memories (8 Kbytes of SRAM and up to 64 Kbytes of Flash program memory with read protection, write protection, proprietary code protection, and securable area), DMA, an extensive range of system functions, enhanced I/Os, and peripherals. The devices offer standard communication interfaces (two I2Cs, two SPIs / one I2S, and two USARTs), one 12-bit ADC (2.5 MSps) with up to 19 channels, an internal voltage reference buffer, a low-power RTC, an advanced control PWM timer running at up to double the CPU frequency, four general-purpose 16-bit timers, a 32-bit general-purpose timer, two low-power 16-bit timers, two watchdog timers, and a SysTick timer.
The devices embed AES hardware accelerator and true random number generator (RNG).
The devices operate within ambient temperatures from -40 to 125°C and with supply voltages from 1.7 V to 3.6 V. Optimized dynamic consumption combined with a comprehensive set of power-saving modes, low-power timers and low-power UART, allows the design of low-power applications.
VBAT direct battery input allows keeping RTC and backup registers powered.
The devices come in packages with 8 to 48 pins.

  • All features

    • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 64 MHz
    • -40°C to 85°C/105°C/125°C operating temperature
    • Memories
      • Up to 64 Kbytes of Flash memory with protection and securable area
      • 8 Kbytes of SRAM with HW parity check
    • CRC calculation unit
    • Reset and power management
      • Voltage range: 1.7 V to 3.6 V
      • Power-on/Power-down reset (POR/PDR)
      • Programmable Brownout reset (BOR)
      • Programmable voltage detector (PVD)
      • Low-power modes:Sleep, Stop, Standby, Shutdown
      • VBAT supply for RTC and backup registers
    • Clock management
      • 4 to 48 MHz crystal oscillator
      • 32 kHz crystal oscillator with calibration
      • Internal 16 MHz RC with PLL option (±1 %)
      • Internal 32 kHz RC oscillator (±5 %)
    • Up to 44 fast I/Os
      • All mappable on external interrupt vectors
      • Multiple 5 V-tolerant I/Os
    • 5-channel DMA controller with flexible mapping
    • 12-bit, 0.4 µs ADC (up to 16 ext. channels)
      • Up to 16-bit with hardware oversampling
      • Conversion range: 0 to 3.6V
    • 11 timers (one 128 MHz capable): 16-bit for advanced motor control, one 32-bit and four 16-bit general-purpose, two low-power 16-bit, two watchdogs, SysTick timer
    • Calendar RTC with alarm and periodic wakeup from Stop/Standby/Shutdown
    • Communication interfaces
      • Two I2C-bus interfaces supporting Fast-mode Plus (1 Mbit/s) with extra current sink, one supporting SMBus/PMBus and wakeup from Stop mode
      • Two USARTs with master/slave synchronous SPI; one supporting ISO7816 interface, LIN, IrDA capability, auto baud rate detection and wakeup feature
      • One low-power UART
      • Two SPIs (32 Mbit/s) with 4- to 16-bit programmable bitframe, one multiplexed with I2S interface
    • True random number generator (RNG)
    • AES encryption with 128/256-bit key
    • Development support: serial wire debug (SWD)
    • 96-bit unique ID
    • All packages ECOPACK 2 compliant
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