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ATSAML21E17B-ANT
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 32TQFP
- Series：SAM L21E
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M0+
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：I2C, LINbus, SCI, SPI, UART/USART, USB
- Peripherals：DMA, POR, PWM, WDT
- Number of I/O：25
- Program Memory Size：128KB (128K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：16K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.63V
- Data Converters：A/D 10x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-TQFP (7x7)
- Package / Case：32-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAML21E17B-ANT is an ARM Cortex-M0+ microcontroller from the SAML21 series, designed for functional safety applications. It features a 48 MHz maximum clock frequency and includes 32 kB of Flash program memory alongside 4 kB of SRAM data RAM. The device 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. It provides 25 general-purpose I/O pins and integrates a 12-bit ADC with 10 channels. Connectivity options include I2C, LIN, SPI, USART, and USB interfaces.
Feature Summary
- Functional Safety (FuSa) compliant design architecture
- Integrated advanced analog peripherals including high-resolution ADCs
- Supports multiple communication protocols including USB and LIN
Applications
- Industrial automation controllers requiring functional safety
- Automotive interior electronics systems
- Medical devices with strict reliability standards
Procurement Notes
Verify the specific suffix 'ANT' against the official Microchip datasheet to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the TQFP-32 package. Check for any recent Product Change Notifications regarding assembly sites or material composition updates prior to finalizing procurement orders.
Selection Notes
Select this component when functional safety certification is required for low-power embedded applications. Compare pin counts and memory sizes against other SAML21 variants to ensure optimal resource allocation. Verify that the 3.3V I/O voltage levels match the system's peripheral requirements.
Part Context
This part belongs to the SAM L21 family of microcontrollers, which are optimized for functional safety in automotive and industrial sectors. It shares architectural similarities with the SAM D21 series but includes enhanced safety features and certifications necessary for critical control applications.
Replacement Considerations
Consult the Microchip SAM L21 Family Selector Guide for verified cross-references. Potential substitutes may include other SAML21 variants with different memory sizes or packages, provided they maintain the same core functionality and safety compliance.
