STMicroelectronics STM32L4R5QGI6STR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $30.83 | $30.83 |
| 15+ | $7.09 | $106.35 |
| 25+ | $6.94 | $173.50 |
| 50+ | $6.55 | $327.50 |
| 100+ | $5.78 | $578.00 |
| N+ | $1.16 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Tape & Reel (TR) | NULL |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 120MHz |
| Connectivity | CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, SAI, SPI, UART/USART, USB OTG |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 110 |
| Program Memory Size | 1MB (1M x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 640K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 16x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 132-UFBGA (7x7) |
| Package / Case | 132-UFBGA |
| ROHS |
The STM32L4R5QGI6STR is a low-power ARM Cortex-M4 microcontroller from STMicroelectronics, running at 120MHz. It offers 1MB of flash and 640KB of RAM in a 132-UFBGA package. Designed for energy-efficient applications, it supports a supply voltage from 1.71V to 3.6V and includes features like brown-out detection and DMA.
- Efficient processing: 120MHz Cortex-M4 with DSP instructions for signal processing tasks.
- Large memory: 1MB flash and 640KB RAM for complex firmware and data buffering.
- Flexible power: Operates from 1.71V to 3.6V, suitable for battery and regulated supplies.
- Compact package: 132-UFBGA saves PCB space in space-constrained designs.
Portable Instrumentation
The low supply voltage and high-speed processing enable handheld measurement tools with long battery life.
Building Automation
Its multiple I/O and communication interfaces support HVAC control and lighting systems.
Data Acquisition Systems
With 1MB flash, it can store extensive calibration data and logging buffers for industrial sensors.
Consumer Electronics
The 120MHz performance handles user interface rendering and audio processing in smart home devices.
Automotive Aftermarket
Wide temperature range and robust peripherals make it suitable for diagnostic tools and telematics units.
Energy Harvesting
Ultra-low power modes allow operation from solar or vibration energy sources in remote sensors.
- Q: What is the core processor in this device?
- A: It uses an ARM Cortex-M4 core.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C.
- Q: Does it have PWM capabilities?
- A: Yes, it includes PWM timers.
- Q: What is the RAM size?
- A: It has 640KB of RAM.
- Q: What is the core processor in this device?
- A: It uses an ARM Cortex-M4 core.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C.
- Q: Does it have PWM capabilities?
- A: Yes, it includes PWM timers.
- Q: What is the RAM size?
- A: It has 640KB of RAM.

STM32L4R5QGI6STR.pdf