STMicroelectronics STM32G491RCT6TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $14.81 | $14.81 |
| 15+ | $3.40 | $51.00 |
| 25+ | $3.33 | $83.25 |
| 50+ | $3.15 | $157.50 |
| 100+ | $2.78 | $278.00 |
| N+ | $0.56 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32G4 |
| Packaging | Tape & Reel (TR) | NULL |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit |
| Speed | 170MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 52 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 112K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 24x12b SAR; D/A 4x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-LQFP (10x10) |
| Package / Case | 64-LQFP |
| ROHS |
The STM32G491RCT6TR is a high-performance 32-bit MCU from STMicroelectronics, built on the ARM Cortex-M4 core with FPU at 170MHz. It offers 256KB flash and 112KB SRAM in a 64-LQFP package. With a supply range of 1.71V to 3.6V, it includes DMA, I2S, PWM, WDT, and brown-out detection. This MCU is optimized for digital power, motor control, and audio applications requiring advanced signal processing.
- 170MHz Cortex-M4 with FPU – Enables complex floating-point algorithms for power control and audio processing.
- Large 112KB SRAM – Supports extensive data buffering and real-time multitasking without external memory.
- Low-voltage operation (1.71V) – Extends battery life in portable and wearable devices.
- Integrated I2S and high-resolution timers – Ideal for audio and precision PWM applications.
Digital Power Converters
The 170MHz Cortex-M4 with FPU enables high-frequency digital loop control for LLC or PFC converters, with 112KB RAM for complex state machines.
Audio Processing Modules
Integrated I2S and high-speed PWM support audio effects processors or smart speakers, with DMA for glitch-free data streaming.
Battery Management Systems
The low 1.71V operation allows direct power from single-cell Li-ion, while multiple ADCs and timers manage cell balancing and SOC estimation.
Industrial Drives with Field-Oriented Control
170MHz performance and hardware math acceleration enable sensorless FOC for BLDC motors in pumps, fans, and conveyor systems.
Smart Sensors with Edge Processing
Large RAM and fast core handle on-device signal conditioning and anomaly detection, reducing cloud dependency in IoT sensors.
Medical Wearable Monitors
Low-voltage operation and rich analog peripherals support continuous ECG/PPG monitoring with low power consumption.
- Q: What is the core and speed of the STM32G491RCT6TR?
- A: It uses an ARM Cortex-M4 core running at up to 170MHz.
- Q: What is the flash and RAM size?
- A: It has 256KB flash and 112KB SRAM.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V.
- Q: Does it support I2S audio?
- A: Yes, it includes I2S peripheral for audio applications.
- Q: What package is available?
- A: It is offered in a 64-pin LQFP package.
- Q: What is the core and speed of the STM32G491RCT6TR?
- A: It uses an ARM Cortex-M4 core running at up to 170MHz.
- Q: What is the flash and RAM size?
- A: It has 256KB flash and 112KB SRAM.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V.
- Q: Does it support I2S audio?
- A: Yes, it includes I2S peripheral for audio applications.
- Q: What package is available?
- A: It is offered in a 64-pin LQFP package.

STM32G491RCT6TR.pdf