A31L213ML

The Abov A31L213ML is an ultra-low power 32-bit microcontroller based on the ARM Cortex-M0+ core, running up to 32 MHz with 64 KB of Flash and 20 KB of SRAM. It integrates a broad set of peripherals—analog, timers, security, display and multiple serial interfaces—making it suitable for embedded applications that require efficient processing, extensive I/O and long battery life.

Targeted markets include smart meters, access control, IoT and portable consumer/healthcare devices where low power, rich peripheral integration and extended temperature operation are important design drivers.

Key Features

• Core ARM Cortex-M0+ 32-bit processor running up to 32 MHz for compact, deterministic embedded control.
• Memory 64 KB Flash program memory and 20 KB SRAM with 32-byte backup register and 4 KB data flash support noted in device family documentation.
• Power and Voltage 1.71–3.6 V supply range with ultra-low power modes: 90 µA/MHz in RUN, 0.99 µA DEEP SLEEP with RTCC + retention, 0.35 µA DEEP SLEEP with power control and 45 nA shutdown (DEEP SLEEP mode 3). 5 µs wakeup time from power modes.
• Timers & RTC Multiple timers including nine general-purpose timers with periodic, one-shot, PWM and capture functionality, plus a Real Time Clock/Calendar and watchdog timer for robust timekeeping and supervision.
• Analog & Sensing 12-bit A/D converter with 16 channels (up to 1 Msps), on-chip temperature sensor and two comparators for sensor interfacing and analog monitoring.
• Security & Randomness AES-128 encryption/decryption unit and a True Random Number Generator (TRNG) for cryptographic and secure key-generation tasks.
• Connectivity Rich serial interfaces including USART, UART, LPUART, SPI, I2C, and Smart Card interface to support a wide range of external devices and subsystems.
• Display & Graphics Integrated LCD driver/controller supporting up to 8 × 39 segments with 16-step contrast control and bias options for low-power display applications.
• DMA, CRC, Debug Seven DMA channels, CRC units (8/16/32-bit), 128-bit unique ID and SWD debug interface to simplify data movement, integrity checks and development.
• I/O and Package 73 programmable I/O pins and available in an 80-LQFP package; specified operating temperature −40 °C to +105 °C for industrial-grade operating ranges.

Typical Applications

• Smart Meters — Metering systems can use the integrated ADC, RTC and low-power modes for accurate measurement and long-term battery operation.
• Smart Card Readers & Access Control — Smart Card interface, secure AES engine and True RNG enable secure transaction and authentication designs.
• Home & Building Automation — Timers, multiple serial interfaces and LCD controller support user interfaces, sensor aggregation and device control.
• IoT & Wireless Sensor Nodes — Ultra-low power consumption, multiple low-speed serial buses and rich analog front-end make the device suited for battery-powered sensor endpoints.
• Portable Healthcare & Consumer Devices — Compact memory, ADC channels and secure functions support data acquisition, local user interface and secure data handling.

Unique Advantages

• Highly integrated peripheral set: Combines ADC, LCD controller, timers, communication ports, AES and TRNG to reduce BOM and simplify board-level design.
• Ultra-low power operation: Multiple power modes with sub-microamp deep-sleep options and fast 5 µs wakeup reduce energy consumption in battery-powered applications.
• Security-ready: AES-128 engine and True RNG provide on-chip cryptographic capabilities for secure key storage and encrypted communications.
• Flexible analog and timing resources: 12-bit 16-channel ADC, temperature sensor, comparators and nine timers support precise sensing and control tasks.
• Rich connectivity: Multiple USART/UART/LPUART, SPI, I2C and Smart Card interfaces enable connection to displays, sensors, memory and secure peripherals.
• Industrial temperature range: Specified −40 °C to +105 °C operation supports deployment in demanding environmental conditions.

Why Choose A31L213ML?

The A31L213ML balances processing capability, extensive peripheral integration and ultra-low power consumption in a compact 80-LQFP package. It is positioned for embedded designs that need reliable sensor interfacing, secure transactions, display support and long battery life without sacrificing I/O density.

This device is suitable for engineers designing metering, access control, IoT endpoints, building automation and portable consumer or healthcare products who require a scalable MCU platform with on-chip security, robust analog resources and industrial temperature operation.

Request a quote or submit an inquiry to our sales team to discuss pricing, lead times and volume availability for the A31L213ML.