STM32L152 in STM32 Family
The STM32L152 sub-family from STMicroelectronics is a series of ultra-low-power microcontrollers based on the ARM Cortex-M3 core. These devices bridge the gap between high performance and energy efficiency using a proprietary ultra-low-leakage process technology. They are designed for applications requiring long battery life, featuring flexible power management modes and integrated liquid crystal display (LCD) drivers. This sub-family is a staple for engineers developing portable medical devices, industrial sensors, and smart metering solutions where power consumption is critical.
Variants in This Sub-Family
Comparing specs that differ across variants.
| Part Number | RAM | EEPROM Size | I/O Pins | Package | ADC/DAC | Flash | Stock |
|---|---|---|---|---|---|---|---|
| STM32L152CBT6A (STMicroelectronics) | 32K | 4K | 37 | LQFP-48 | A/D 16x12b; D/A 2x.. | 128KB | 2,468 |
| STM32L152RET6 (STMicroelectronics) | 80K | 16K | 51 | LQFP-64 | A/D 21x12b; D/A 2x.. | 512KB | 527 |
| STM32L152VCT6 (STMicroelectronics) | 32K | 8K | 83 | LQFP-100 | A/D 25x12b; D/A 2x.. | 256KB | 600 |
| STM32L152C8T6 (STMicroelectronics) | 32K | 4K | 37 | LQFP-48 | A/D 16x12b; D/A 2x.. | 64KB | 495 |
| STM32L152RBT6 (STMicroelectronics) | 16K | 4K | 51 | LQFP-64 | A/D 20x12b; D/A 2x.. | 128KB | 424 |
| STM32L152C8T6A (STMicroelectronics) | 32K | 4K | 37 | LQFP-48 | A/D 16x12b; D/A 2x.. | 64KB | 490 |
| STM32L152VET6 (STMicroelectronics) | 80K | 16K | 83 | LQFP-100 | A/D 25x12b; D/A 2x.. | 512KB | 476 |
| STM32L152RBT6A (STMicroelectronics) | 32K | 4K | 51 | LQFP-64 | A/D 20x12b; D/A 2x.. | 128KB | 19 |
Variants within the STM32L152 series are distinguished primarily by Flash memory capacity, ranging from 32 KB to 512 KB, and package pin counts from 48 to 144 pins. Higher pin-count versions, like the RET6, offer more GPIOs and expanded peripheral multiplexing options compared to compact variants like the C8T6. Some variants also include specialized hardware features such as Op-Amps, dual DACs, and different RAM configurations to suit specific analog-heavy or data-intensive applications.
