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STMicroelectronics STM32L081CBT6TR — Microcontrollers & Processors (MCU / MPU / DSP)

STM32L081CBT6TR STMicroelectronics ARM Cortex-M0+ MCU

MPNSTM32L081CBT6TR
Active

STMicroelectronics STM32L0 series ARM Cortex-M0+ 32-bit MCU, STM32L081CBT6TR, 32 MHz, 128 KB Flash, 20 KB RAM, 6 KB EEPROM, 1.65 V to 3.6 V, -40°C to 85°C, 48-LQFP.

$2.5042Ref. price · indicative, final on quote
STMicroelectronics STM32L081CBT6TR datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STM32L081CBT6TR specifications
ParameterValue
SeriesSTM32L0
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.65V ~ 3.6V
Operating temperature-40°C ~ 85°C (TA)
Speed32MHz
PackageTape & Reel (TR)
RAM size20K x 8
Core size32-Bit Single-Core
EEPROM size6K x 8
PeripheralsBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
ConnectivityI²C, IrDA, LINbus, SPI, UART/USART
Number of i (O)40
Core processorARM® Cortex®-M0+
Case48-LQFP
Data convertersA/D 13x12b
Program memory size128KB (128K x 8)

Product details

32 MHz Cortex-M0+ with 128 KB Flash — memory and peripheral fit

With 40 I/O pins in a 48-LQFP package, it suits sensor hubs, industrial I/O nodes, and battery-powered field instruments that need a compact footprint.

The 13-channel 12-bit ADC handles analog inputs from temperature sensors, potentiometers, or current shunts without an external converter.

ST lists the STM32L081CBT6TR as Active (current production). The base product number STM32L081 covers multiple package and temperature variants; the CBT6TR suffix confirms the 48-LQFP, -40°C to 85°C grade, and Tape & Reel shipping format.

Frequently asked questions

How many UART/USART interfaces does STM32L081CBT6TR support?

The connectivity block includes UART/USART, I²C, SPI, IrDA, and LINbus. The exact number of UART/USART channels is not listed in the summary, but the peripheral set supports multiple serial protocols for sensor and actuator communication.