الصفحة الرئيسية > الدوائر المتكاملة الدوائر المتكاملة > STM32L072RBT6

STM32L072RBT6

Ultra-low-power Cortex-M0+ MCU, 32 MHz, 128KB Flash, USB, LQFP-64

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جزء الشركة المصنعة ： جزء الشركة المصنعة

STM32L072RBT6

الحزمة ： الحزمة

LQFP-64 (10 × 10 × 10 × 1.4 مم)

العلامة التجارية ： العلامة التجارية

فئات المنتجات:：فئات المنتجات

الدوائر المتكاملة الدوائر المتكاملة, المتحكمات الدقيقة (MCU)

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الوصف

نظرة عامة على المنتج

The STM32L072RBT6 is an ultra-low-power 32-bit microcontroller from STMicroelectronics based on the Arm Cortex-M0+ core. Operating at up to 32 MHz with 128 KB Flash, 20 KB RAM, 6 KB EEPROM, and crystal-less USB 2.0, it is designed for battery-powered and energy-sensitive applications in a LQFP-64 package.

المواصفات الرئيسية

الأساسيات	Arm Cortex-M0+
Max Frequency	32 MHz
Flash Memory	128 KB (with ECC)
SRAM	20 KB
Data EEPROM	6 KB (with ECC)
ADC	12-bit, 1.14 Msps, up to 16 channels
DAC	2x 12-bit
التواصل	3x I2C, 2x SPI, 4x USART, LPUART, USB 2.0
الحزمة	LQFP-64 (10 x 10 mm)
جهد الإمداد	1.65V to 3.6V

الميزات

Ultra-low-power: 0.29 uA Standby, 93 uA/MHz Run
Crystal-less USB 2.0 full-speed with BCD and LPM
6 KB data EEPROM with ECC
Up to 24 capacitive sensing channels
2x ultra-low-power comparators with window mode

التطبيقات

Smart meters and energy harvesting
Wearable devices and health monitors
IoT sensors and wireless nodes
USB-connected embedded devices

مقدمة المنتج:STM32L072RBT6 مقدمة المنتج

The STM32L072RBT6 is an ultra-low-power microcontroller from STMicroelectronics’ STM32L0 series, featuring an Arm Cortex-M0+ core running at up to 32 MHz. With 128 KB of ECC-protected Flash, 20 KB SRAM, and 6 KB EEPROM, it provides ample memory for embedded applications. The integrated crystal-less USB 2.0 full-speed interface simplifies PCB design by eliminating the external crystal. Its comprehensive low-power modes (0.29 uA Standby, 0.43 uA Stop) make it ideal for battery-powered and energy-harvesting applications.

مبدأ العمل:STM32L072RBT6 مبدأ العمل

The STM32L072RBT6 achieves ultra-low-power operation through multiple techniques: an adaptive internal voltage regulator adjusts supply voltage based on clock frequency; multiple low-power modes (Sleep, Stop, Standby) shut down unused peripherals and clock domains; the LPUART enables serial communication in Stop mode. The Cortex-M0+ core provides efficient 32-bit processing at 0.95 DMIPS/MHz. The crystal-less USB uses an internal 48 MHz RC oscillator with automatic trimming based on USB SOF packets for accurate timing without an external crystal.

وصف الدبوس:STM32L072RBT6 تعريف الدبوس ووظائفه

دبوس	الاسم	النوع	الوظيفة
1	VDD	الطاقة	Main supply 1.65-3.6V
2-9	PC0-PC7	الإدخال/الإخراج	Port C, ADC inputs, touch sense
10-17	PA0-PA7	الإدخال/الإخراج	Port A, USART2, SPI1, TIM2, ADC
18	PB0	الإدخال/الإخراج	Port B, ADC, TIM3
32	بووت0	المدخلات	Boot mode selection
33-40	PA8-PA15	الإدخال/الإخراج	Port A, MCO, I2C1, SPI1, TIM1, USB
44	VBAT	الطاقة	Battery backup for RTC
55	VDDUSB	الطاقة	USB transceiver supply
64	VDDA	الطاقة	Analog supply

Application Scenarios:In which products and applications isSTM32L072RBT6 مستعمل

Smart metering with USB data download
Wearable health monitoring devices
Wireless sensor nodes with energy harvesting
Portable medical instruments and diagnostics
USB-connected IoT edge devices

Alternative Models:What chips are recommended as replacements for STM32L072RBT6

الشركة المصنعة	رقم الجزء	الحزمة	الملاحظات
STMicroelectronics	STM32L072RZH6	UFBGA-64	Smaller BGA package
STMicroelectronics	STM32L073RBT6	LQFP-64	With LCD controller
STMicroelectronics	STM32L052R8T6	LQFP-64	64KB Flash, lower cost
STMicroelectronics	STM32L082RBT6	LQFP-64	With AES-256 encryption
مختبرات السيليكون	EFR32BG22C112F352IM32	QFN-32	Wireless SoC with BLE, Cortex-M33