{"product_id":"m252le3ae","title":"M252LE3AE","description":"\u003cp\u003eThe NuMicro\u003csup\u003e®\u003c\/sup\u003e M252LE3AE is a low-power microcontroller based on Arm\u003csup\u003e®\u003c\/sup\u003e Cortex\u003csup\u003e®\u003c\/sup\u003e-M23 core for Armv8-M architecture. It runs up to 48 MHz with 128 Kbytes embedded Flash memory and 16 Kbytes embedded SRAM , 4 Kbytes Flash loader memory ( LDROM ) for In-System Programming ( ISP ) , The 32-bit low-power microcontrollers supports wide supply voltage from 1.8 ~ 5.5 V and operating temperature range from - 40 ℃ ~ + 105 ℃ .\u003c\/p\u003e\u003cp\u003eThe NuMicro\u003csup\u003e®\u003c\/sup\u003e M252LE3AE behaves low power consumption in Normal Run mode 138 μA \/ MHz at 48 MHz , Idle mode 60 μA \/ MHz , power down mode 2.5 μA ( RTC on, RAM retention ) , power down mode 1.7 μA ( RTC off, RAM retention ) and Deep Power-down mode. It’s low power, wide supply voltage and fast wake-up features make it suitable for battery-powered IoT applications.\u003c\/p\u003e\u003cp\u003eThe NuMicro\u003csup\u003e®\u003c\/sup\u003e M252LE3AE provides 8 channels of Nuvoton proprietary interface “Programmable Serial I \/ O” ( PSIO ) capable of generating specific waveform to emulate arbitrary serial communication protocols to connect with specific peripherals by PSIO hardware engine. PSIO can be treated as extension of popular serial communication standard ( UART , SPI …etc. ) , niche serial communication standard (specific protocol for EEPROM, cardreader…etc.) and proprietary protocol ( SPI -like protocol for LED-lighting application…etc. ). This PSIO hardware engine can simulate comprehensive serial communication protocol with low CPU loading, low control complexity and high timing precision at the same time.High elasticity and flexibility makes PSIO being a powerful and useful tool while connecting to diverse peripherals.\u003c\/p\u003e\u003cp\u003eThe NuMicro\u003csup\u003e®\u003c\/sup\u003e M252LE3AE integrates Voltage Adjustable Interface ( VAI ) , with 6 I\/O pins to support the 2\u003csup\u003end\u003c\/sup\u003e I\/O voltage from 1.65 ~ 5.5 V to save level shifter components while connecting to external devices.\u003c\/p\u003e\u003cp\u003eThe NuMicro\u003csup\u003e®\u003c\/sup\u003e M252LE3AE provides 1-region programable eXecute-Only-Memory ( XOM ) to secure critical program codes. Accompany with 96-bit Unique Identification ( UID ) and 128-bit Unique Customer Identification ( UCID ) to enhance the product security.\u003c\/p\u003e\u003cp\u003eThe NuMicro\u003csup\u003e®\u003c\/sup\u003e M252LE3AE is equipped with plenty of peripherals such as Timers, Watchdog Timers, RTC, External Bus Interface (EBI), GPIOs x37, up to 24 channels of PWM, Universal Serial Control Interface (USCI) x3, UART x3, QSPI x1, SPI\/ I²S x1, I²C x2, ISO-7816-3 x1, PDMA x8, makes it highly suitable for connecting comprehensive external modules and LED lighting control. The M252LE3AE integrates high performance analog front-end circuit blocks, such as 12 channels of 12-bit 880 kSPS ADC, analog comparator ( ACMP ), temperature sensor, low voltage reset ( LVR ) and brown-out detector ( BOD ) to enhance product performance, reduce external components and form factor simultaneously.\u003c\/p\u003e\u003cp\u003eNuMicro\u003csup\u003e®\u003c\/sup\u003e M252LE3AE supports a crystal-less USB 2.0 full speed device that can generate precise frequency required by USB protocol without the need of external crystal to reduce the BOM cost and PCB size.\u003c\/p\u003e\u003cp\u003eThe package types of the M252LE3AE is LQFP48 ( 7 mm x 7 mm ) . Pin-to-pin compatible in same package makes optimizing product features and performance easily.\u003c\/p\u003e\u003ch5\u003eApplications\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003eSmart Home \/ Smart Home Appliance\u003c\/li\u003e\n\u003cli\u003eIndustrial Control \/ Industrial Automation\u003c\/li\u003e\n\u003cli\u003eSmart City\u003c\/li\u003e\n\u003cli\u003eIoT Device\u003c\/li\u003e\n\u003cli\u003eSecurity Alarm System\u003c\/li\u003e\n\u003cli\u003eElectronic Payments\u003c\/li\u003e\n\u003cli\u003eCommunication Modules\u003c\/li\u003e\n\u003cli\u003ePortable Wireless Data Collector\u003c\/li\u003e\n\u003cli\u003eSmart Door lock\u003c\/li\u003e\n\u003cli\u003eHandheld Medical Device\u003c\/li\u003e\n\u003cli\u003e( GPS ) Location Tracker\u003c\/li\u003e\n\u003cli\u003eElectronic Shelf Labels ( ESL )\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eKey Features\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Characteristics\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eVoltage range: 1.8 V ~ 5.5 V\u003c\/li\u003e\n\u003cli\u003eTemperature range: - 40 ℃ ~ 105 ℃\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eArm\u003csup\u003e®\u003c\/sup\u003e Cortex\u003csup\u003e®\u003c\/sup\u003e-M23, Armv8-M, 48 MHz\u003c\/li\u003e\n\u003cli\u003e32-bit H \/ W multiplier \/ divider\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemories\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e128 KB Flash\u003c\/li\u003e\n\u003cli\u003e16 KB SRAM\u003c\/li\u003e\n\u003cli\u003e4 KB LDROM\u003c\/li\u003e\n\u003cli\u003e1-region eXecute-Only-Memory ( XOM )\u003c\/li\u003e\n\u003cli\u003eISP \/ ICP \/ IAP programming\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClocks\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e4 ~ 32 MHz external high speed crystal oscillator ( HXT ) for precise timing operation\u003c\/li\u003e\n\u003cli\u003e32.768 kHz external low speed crystal oscillator ( LXT ) for RTC function and low-power system operation\u003c\/li\u003e\n\u003cli\u003e48 MHz internal high speed RC oscillator ( HIRC ) for system operation\u003c\/li\u003e\n\u003cli\u003e4.032 MHz internal high speed RC oscillator ( MIRC ) for system operation\u003c\/li\u003e\n\u003cli\u003e38.4 kHz internal low speed RC oscillator ( LIRC ) for Watchdog Timer and wake-up operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower management\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eIntegrated with Power-on Reset, Brown-out Reset and Low Voltage Reset\u003c\/li\u003e\n\u003cli\u003eBuilt-in LDO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e138 μA \/ MHz in operating mode\u003c\/li\u003e\n\u003cli\u003e60 μA \/ MHz in idle mode\u003c\/li\u003e\n\u003cli\u003e2.5 μA in Power down mode ( RTC on, RAM retention )\u003c\/li\u003e\n\u003cli\u003e1.7 μA in Power down mode ( RTC off, RAM retention )\u003c\/li\u003e\n\u003cli\u003e1.45 μA in Deep Power down mode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTimers\u003c\/strong\u003e\u003cul\u003e\u003cli\u003eUp to 4 * 32-bit timers\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePDMA\u003c\/strong\u003e\u003cul\u003e\u003cli\u003e8 channels\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePWM\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e24-channels PWM\u003c\/li\u003e\n\u003cli\u003eSupports trigger ADC\u003c\/li\u003e\n\u003cli\u003eSupports maximum clock frequency up to 96 MHz\u003c\/li\u003e\n\u003cli\u003eSupports independent mode for PWM output \/ Capture input channel\u003c\/li\u003e\n\u003cli\u003eSupports complementary mode for 3 complementary paired PWM output channel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e12 channels 12-bit 880 kSPS ADC\u003c\/li\u003e\n\u003cli\u003e2 sets of rail-to-rail comparators ( ACMP )\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication interfaces\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e3 sets of USCI Configured as UART, SPI or I²C)\u003c\/li\u003e\n\u003cli\u003e3 sets of UART interface\u003c\/li\u003e\n\u003cli\u003e1 set of QSPI interface\u003c\/li\u003e\n\u003cli\u003e1 set of SPI \/ I²S interface ( Configured as SPI or I²S )\u003c\/li\u003e\n\u003cli\u003e2 sets of I²C interfaces\u003c\/li\u003e\n\u003cli\u003e1 set of Smart Card Interface (ISO-7816-3)\u003c\/li\u003e\n\u003cli\u003e16 \/ 8-bits EBI ( External Bus Interface ) interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVAI ( Voltage Adjustable Interface )\u003c\/strong\u003e\u003cul\u003e\u003cli\u003e6 I\/O pins to support the 2\u003csup\u003end\u003c\/sup\u003e I\/O voltage from 1.65 ~ 5.5 V, applied voltage to the V\u003csub\u003eDDIO\u003c\/sub\u003e pin\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePSIO ( Programmable Serial I \/ O )\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003ePSIO ( Programmable Serial I \/ O ) is capable of generating specific waveform to emulate arbitrary serial communication protocols to connect with specific peripherals by PSIO hardware engine.\u003c\/li\u003e\n\u003cli\u003e8 PSIO pins\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB\u003c\/strong\u003e\u003cul\u003e\u003cli\u003e1 set of USB 2.0 full speed device with on-chip PHY ( crystal-less design )\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e96-bit Unique ID ( UID )\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e128-bit Unique Customer ID ( UCID )\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackages\u003c\/strong\u003e\u003cul\u003e\u003cli\u003eLQFP48 ( 7 mm x 7 mm )\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eTechnical Documents\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003eFor more details, please visit Nuvoton Official Website: \u003ca href=\"https:\/\/www.nuvoton.com\/products\/microcontrollers\/arm-cortex-m23-mcus\/m251-m252-series\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eGO\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eM252LE3AE: \u003ca href=\"https:\/\/www.nuvoton.com\/resource-download.jsp?tp_GUID=DA00-M251-M252\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDATASHEET\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nuvoton Direct","offers":[{"title":"Tray","offer_id":43529156493518,"sku":"M252LE3AE","price":1.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/0749\/7934\/files\/1153.jpg?v=1779179601","url":"https:\/\/direct.nuvoton.com\/products\/m252le3ae","provider":"Nuvoton Direct","version":"1.0","type":"link"}