STMicroelectronics STM32L071CBY6TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.64 | $5.64 |
| 15+ | $3.71 | $55.65 |
| 25+ | $3.63 | $90.75 |
| 50+ | $3.43 | $171.50 |
| 100+ | $3.02 | $302.00 |
| N+ | $0.60 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L0 |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core |
| Speed | 32MHz |
| Connectivity | I2C, IrDA, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 37 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 6K x 8 |
| RAM Size | 20K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.65V ~ 3.6V |
| Data Converters | A/D 13x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 49-WLCSP (3.29x3.26) |
| Package / Case | 49-UFBGA, WLCSP |
| ROHS |
The STMicroelectronics STM32L071CBY6TR is a 32-bit ARM Cortex-M0+ microcontroller designed for ultra-low-power applications. It operates from 1.65V to 3.6V at up to 32MHz, with 128KB of flash and 20KB of SRAM. The 49-UFBGA WLCSP package is extremely compact, making it ideal for space-constrained IoT and portable devices. It includes DMA, I2S, PWM, and multiple reset features for robust performance.
- Ultra-Low Voltage (1.65V): Operates from a single alkaline cell or Li-ion battery.
- High Memory (128KB Flash / 20KB RAM): Supports complex applications and data buffering.
- Compact WLCSP Package: Minimizes PCB area for miniaturized products.
- Rich Peripherals: DMA, I2S, and PWM enable versatile connectivity and control.
IoT End Nodes
The 32MHz Cortex-M0+ and 128KB flash handle protocol stacks, while 1.65V operation enables single-cell battery use.
Portable Medical Devices
Its low power and small WLCSP package allow for miniaturized glucose meters or pulse oximeters.
Smart Accessories
DMA and I2S support audio and sensor data streaming in smartwatches or earbuds.
Industrial Sensors
The wide voltage range and robust reset features ensure reliable operation in 3.3V industrial transmitters.
Consumer Electronics
With 20KB RAM, it can buffer data for display or communication in remote controls or toys.
Battery Management
Its low quiescent current and PWM outputs are suitable for monitoring and balancing cells in battery packs.
- Q: What is the core processor?
- A: It is based on the ARM Cortex-M0+ 32-bit core, running at up to 32MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.65V to 3.6V, supporting low-voltage battery applications.
- Q: How much flash and RAM does it have?
- A: It has 128KB of flash and 20KB of SRAM.
- Q: What package is available?
- A: It comes in a 49-UFBGA (WLCSP) package, ideal for compact designs.
- Q: What is the core processor?
- A: It is based on the ARM Cortex-M0+ 32-bit core, running at up to 32MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.65V to 3.6V, supporting low-voltage battery applications.
- Q: How much flash and RAM does it have?
- A: It has 128KB of flash and 20KB of SRAM.
- Q: What package is available?
- A: It comes in a 49-UFBGA (WLCSP) package, ideal for compact designs.

STM32L071CBY6TR.pdf