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ATSAML11E16A-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 32TQFP
- Series：SAM L11
- Mfr：Microchip Technology
- Package：Tray
- 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 ~ 85°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-AU is a 32-bit microcontroller from the SAM L11 series, featuring an ARM Cortex-M23 core operating at 32MHz. It integrates 64KB of Flash memory and 16KB of SRAM within a 32-TQFP package. The device supports a supply voltage range of 1.62V to 3.63V and operates between -40°C and +85°C. Key peripherals include ten 12-bit ADC channels, one 10-bit DAC, DMA, PWM, and standard communication interfaces such as I2C, SPI, UART/USART, and LINbus.
Feature Summary
- Integrates Arm TrustZone technology for hardware-based security isolation
- Optimized for ultra-low power consumption in active and standby modes
- Includes dedicated cryptographic acceleration capabilities
Applications
- Battery-powered IoT sensor nodes
- Secure boot subsystems
- Trusted Execution Environment (TEE) platforms
- Industrial sensor terminals requiring low power and security
Procurement Notes
Verify the specific suffix 'AU' against official Microchip documentation to confirm the TQFP-32 package and industrial temperature range. Ensure compatibility with existing PCB footprints for 32-TQFP components. Confirm that the required pin count and peripheral availability align with the design specifications before finalizing procurement orders.
Selection Notes
Select this component when both high-level security features via TrustZone and ultra-low power efficiency are required. It is suitable for applications needing moderate code storage with efficient processing. Compare against the ATSAML11E16A-MUT variant if a VQFN package is preferred over TQFP for space constraints.
Part Context
This MCU belongs to the SAM L11 family, designed for secure, battery-operated embedded systems. It builds upon the Cortex-M23 architecture to provide enhanced security and energy efficiency compared to previous generations. The series targets markets demanding robust data protection alongside minimal power usage.
Replacement Considerations
The ATSAML11E16A-MUT serves as a functional alternative with identical core specifications but utilizes a 32-VQFN package instead of TQFP. Verify footprint compatibility and thermal management requirements when considering package substitution.
