STMicroelectronics STM32L083CBT6, ARM Cortex-M0+ 32-bit MCU, 32MHz, 128KB Flash, 20KB RAM, 6KB EEPROM, 48-LQFP, -40°C to 85°C, 1.8V-3.6V.
| Parameter | Value |
|---|---|
| Series | STM32L0 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 3.6V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 32MHz |
| Package | Tape & Reel (TR) |
| RAM size | 20K x 8 |
| Core size | 32-Bit Single-Core |
| EEPROM size | 6K x 8 |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART, USB |
| Number of i (O) | 40 |
| Core processor | ARM® Cortex®-M0+ |
| Case | 48-LQFP |
| Data converters | A/D 10x12b; D/A 2x12b |
| Program memory size | 128KB (128K x 8) |
The wide 1.8 V to 3.6 V supply range lets it run directly from two alkaline cells or a single Li-ion cell, and the industrial temperature grade (-40°C to 85°C) covers outdoor sensor nodes, metering, and industrial control panels.
The 128 KB Flash and 6 KB EEPROM store firmware and configuration data. The 20 KB SRAM supports moderate buffering.
The STM32L083C8T6 has 64 KB of Flash and 10 KB of RAM, while the STM32L083CBT6 doubles those to 128 KB Flash and 20 KB RAM. Both share the same 48-LQFP package, pinout, and peripheral set.
The STM32L073CBT6 lacks the integrated LCD driver and the separate EEPROM block that the STM32L083CBT6 includes. Both have 128 KB Flash and 20 KB RAM, but the L073 uses a different memory map and peripheral set.
Yes. The 1.8 V to 3.6 V supply range allows direct operation from two alkaline cells, a single Li-ion cell, or a LiFePO4 cell without an external regulator. The ultra-low-power architecture draws under 100 µA in sleep mode with LCD retention.
The full datasheet and reference manual are available from STMicroelectronics. The base product number is STM32L083; the document covers the entire STM32L083xx family including this variant.