Overview
The STM32G484QET6 is a mainstream microcontroller from STMicroelectronics, based on the high-performance Arm® Cortex®-M4 32-bit RISC core. This device operates at a frequency of up to 170 MHz and features a single-precision floating-point unit (FPU), DSP instructions, and a memory protection unit (MPU) for enhanced security. It is part of the STM32G484xE family, which is designed to provide a balance between performance and power efficiency.
The microcontroller includes 512 Kbytes of Flash memory and 128 Kbytes of SRAM, along with various protection mechanisms for embedded memory. It also integrates a wide range of peripherals, including high-speed ADCs, DACs, operational amplifiers, and advanced communication interfaces such as USB, CAN-FD, and SPI.
The STM32G484QET6 is suitable for a variety of applications requiring high performance, low power consumption, and advanced security features.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 170 MHz, 213 DMIPS, MPU, DSP instructions |
| Flash Memory | 512 Kbytes with ECC support, two banks read-while-write, proprietary code readout protection (PCROP), securable memory area, 1 Kbyte OTP |
| SRAM | 128 Kbytes with hardware parity check on the first 32 Kbytes, 32 Kbytes of CCM SRAM |
| External Memory Interface | FSMC for static memories (SRAM, PSRAM, NOR, NAND), Quad-SPI flash memory interface |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40 to +85 °C (+105 °C junction), -40 to +125 °C (+130 °C junction) |
| ADCs | Five fast 12-bit ADCs (4 Msps), up to 42 channels, resolution up to 16-bit with hardware oversampling |
| DACs | Seven 12-bit DAC channels (3 external, 4 internal) |
| Timers | Two 32-bit timers, eleven 16-bit timers, one 16-bit low-power timer, high resolution timer with 184 ps resolution |
| Communication Interfaces | Four I2Cs, four SPIs, three USARTs, two UARTs, one low-power UART, three FDCANs, one SAI, USB device, UCPD |
| Security Features | AES 128/256-bit key encryption hardware accelerator, true random number generator (RNG), CRC calculation unit |
| Package | LQFP 128 14x14x1.4 mm |
Key Features
- Core and Performance: 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.
- Mathematical Hardware Accelerators: CORDIC for trigonometric functions acceleration, FMAC: filter mathematical accelerator.
- Memories: 512 Kbytes of Flash memory with ECC support, 128 Kbytes of SRAM, external memory interface for static memories (FSMC), Quad-SPI memory interface.
- Analog Peripherals: Five fast 12-bit ADCs (4 Msps), seven 12-bit DAC channels, seven ultra-fast rail-to-rail analog comparators, six operational amplifiers.
- Timers and Counters: Two 32-bit timers, eleven 16-bit timers, one 16-bit low-power timer, high resolution timer with 184 ps resolution.
- Communication Interfaces: Four I2Cs, four SPIs, three USARTs, two UARTs, one low-power UART, three FDCANs, one SAI, USB device, UCPD.
- Security Features: AES 128/256-bit key encryption hardware accelerator, true random number generator (RNG), CRC calculation unit.
- Power Management: Low-power modes (sleep, stop, standby, shutdown), VBAT supply for RTC and backup registers.
- Development Support: Serial wire debug (SWD), JTAG, Embedded Trace Macrocell™.
Applications
- Industrial Automation: Motor control, industrial control systems, and automation applications benefit from the advanced motor control timers and high-resolution timers.
- Medical Devices: The high precision of the ADCs and DACs, along with the low power consumption, make it suitable for medical devices such as diagnostic equipment and patient monitoring systems.
- Consumer Electronics: Applications requiring advanced audio interfaces, such as audio players and home appliances, can utilize the SAI and other communication interfaces.
- Automotive Systems: The presence of CAN-FD and other automotive-specific interfaces makes it suitable for automotive control units and safety-critical systems.
- IoT and Smart Home Devices: The low power modes and advanced security features make it an ideal choice for IoT devices and smart home applications.
Q & A
- What is the core architecture of the STM32G484QET6?
The STM32G484QET6 is based on the Arm® 32-bit Cortex®-M4 CPU with FPU.
- What is the maximum operating frequency of the STM32G484QET6?
The maximum operating frequency is up to 170 MHz.
- How much Flash and SRAM memory does the STM32G484QET6 have?
The device has 512 Kbytes of Flash memory and 128 Kbytes of SRAM.
- What are the key analog peripherals of the STM32G484QET6?
The device features five fast 12-bit ADCs, seven 12-bit DAC channels, seven ultra-fast rail-to-rail analog comparators, and six operational amplifiers.
- What communication interfaces are available on the STM32G484QET6?
The device includes four I2Cs, four SPIs, three USARTs, two UARTs, one low-power UART, three FDCANs, one SAI, USB device, and UCPD.
- What security features does the STM32G484QET6 offer?
The device features an AES 128/256-bit key encryption hardware accelerator, true random number generator (RNG), and CRC calculation unit.
- What are the operating voltage and temperature ranges of the STM32G484QET6?
The operating voltage range is 1.71 V to 3.6 V, and the operating temperature range is -40 to +85 °C (+105 °C junction) and -40 to +125 °C (+130 °C junction).
- What development tools are available for the STM32G484QET6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- What is the package type of the STM32G484QET6?
The device is available in an LQFP 128 14x14x1.4 mm package.
- What are some typical applications for the STM32G484QET6?
Typical applications include industrial automation, medical devices, consumer electronics, automotive systems, and IoT devices.
