نظرة عامة على المنتج
The STM32L052K6U6 is an ultra-low-power ARM Cortex-M0+ microcontroller from STMicroelectronics with 32KB Flash, 8KB RAM, 2KB EEPROM, and USB 2.0 crystal-less capability. Operating at up to 32 MHz from 1.65V to 3.6V, it integrates a 12-bit ADC, 12-bit DAC, two comparators, and multiple communication interfaces in a UFQFPN-32 (5 x 5 mm) package.
المواصفات الرئيسية
- Core: ARM Cortex-M0+, 32 MHz max (0.95 DMIPS/MHz)
- Flash: 32KB with ECC
- RAM: 8KB
- Data EEPROM: 2KB with ECC
- ADC: 12-bit, 1.14 Msps, 10 channels
- DAC: 12-bit, 1 channel with output buffer
- Comparators: 2x ultra-low-power (window mode)
- USB: 2.0 crystal-less with LPM and battery charging detect
- USART: 2x (ISO 7816, IrDA)
- LPUART: 1x low-power
- SPI: Up to 2x (16 Mbit/s)
- I2C: 2x (SMBus/PMBus)
- Capacitive Sensing: Up to 24 channels
- DMA: 7-channel
- GPIO: 27 I/O (5V tolerant)
- Supply Voltage: 1.65V ~ 3.6V
- Operating Temperature: -40°C ~ 125°C
- Package: UFQFPN-32 (5 x 5 mm)
الميزات
- Ultra-low-power: 0.27 µA Standby, 0.4 µA Stop, 88 µA/MHz Run
- Fast wakeup: 3.5 µs from RAM, 5 µs from Flash
- Internal 16 MHz RC (±1%), 48 MHz RC for USB auto-calibration
- Multiple low-power modes with RTC and RAM retention
- Brown-out reset with 5 selectable thresholds
- True random number generator (RNG)
- CRC calculation unit and 96-bit unique ID
- Firewall protection for secure code execution
التطبيقات
- USB peripheral devices (HID, CDC, custom class)
- Portable medical instruments
- Smart meters and energy harvesting
- Wearable electronics
- Sensor nodes with capacitive touch