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ATSAML11E16A-AFT
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 32TQFP
- Series：SAM L11
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M23
- Core Size：32-Bit Single-Core
- Speed：32MHz
- Connectivity：I2C, LINbus, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：25
- Program Memory Size：64KB (64K x 8)
- Program Memory Type：FLASH
- EEPROM Size：2K x 8
- RAM Size：16K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.63V
- Data Converters：A/D 10x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-TQFP (7x7)
- Package / Case：32-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAML11E16A-AFT is a 32-bit microcontroller from the SAM L11 series, manufactured by Microchip Technology. It integrates an ARM Cortex-M23 core operating at a maximum frequency of 32 MHz. The device features 64 KB of Flash memory and 16 KB of SRAM. It operates within a supply voltage range of 1.62 V to 3.63 V and supports an industrial temperature range of -40°C to +85°C. The component is housed in a 32-pin TQFP package with 25 available I/O lines.
Feature Summary
- Integrates Arm TrustZone technology for hardware-based security isolation between secure and non-secure execution environments.
- Supports low-power operation modes including active run and standby states optimized for battery-powered applications.
- Includes built-in cryptographic accelerators for secure boot and data protection functions.
Applications
- Secure Internet of Things (IoT) nodes requiring trusted execution environments
- Industrial sensor terminals with safety-critical firmware requirements
- Battery-operated devices needing extended standby life
Procurement Notes
Verify the specific suffix 'AFT' against official Microchip documentation to confirm the TQFP-32 package and industrial temperature grade. Ensure compatibility with existing PCB footprints and thermal management strategies for surface-mount assembly. Cross-reference ordering information with authorized distributors to confirm current availability and lead times.
Selection Notes
Select this model when a balance of moderate code storage capacity and robust security features is required. The TQFP-32 package facilitates easier prototyping compared to QFN variants. Consider the 16 KB RAM limit for complex application logic and verify that the 32 MHz clock speed meets real-time processing demands.
Part Context
This component belongs to the SAM L11 family, designed specifically for ultra-low power and security-focused embedded applications. It shares architectural similarities with other SAM L11 variants but differs in memory size and package type. The family emphasizes energy efficiency alongside hardware security extensions provided by the Cortex-M23 core.
Replacement Considerations
Check for other SAM L11 variants with different memory configurations or packages. Verify pin-to-pin compatibility if substituting within the same series. Confirm that alternative parts support the same TrustZone capabilities and temperature ranges.
