SAMD21E in SAM Microcontrollers Family
The SAMD21E is a high-performance sub-family of ARM Cortex-M0+ based microcontrollers developed by Microchip Technology. These 32-bit MCUs are designed for low power consumption and high integration in space-constrained applications. Featuring a 48 MHz operating frequency, the SAMD21E series provides a versatile peripheral set, including the Event System for offloading the CPU and the Peripheral Touch Controller, making it a staple for modern embedded systems and IoT end-nodes.
Variants in This Sub-Family
Comparing specs that differ across variants.
| Part Number | RAM | Package | Flash | Temp Range | Stock |
|---|---|---|---|---|---|
| ATSAMD21E18A-MU (Microchip) | 32K | VFQFN-32 | 256KB | -40degC ~ 85degC (.. | 22,657 |
| ATSAMD21E18A-AUT (Microchip Technology) | 32K | TQFP-32 | 256KB | -40degC ~ 85degC (.. | 11,120 |
| ATSAMD21E18A-AFT (Microchip Technology) | 32K | TQFP-32 | 256KB | -40degC ~ 125degC .. | 11,484 |
| ATSAMD21E18A-AU (Microchip) | 32K | TQFP-32 | 256KB | -40degC ~ 85degC (.. | 1,742 |
| ATSAMD21E15B-AFT (Microchip Technology) | 4K | TQFP-32 | 32KB | -40degC ~ 125degC .. | 2,970 |
| ATSAMD21E18A-MUT (Microchip Technology) | 32K | VFQFN-32 | 256KB | -40degC ~ 85degC (.. | 25,047 |
| ATSAMD21E17A-AUT (Microchip Technology) | 16K | TQFP-32 | 128KB | -40degC ~ 85degC (.. | 3,036 |
Variants within the SAMD21E sub-family primarily differ by memory density, packaging, and environmental specifications. Flash capacities range from 32KB to 256KB, while packaging options include TQFP and VQFN formats to suit different assembly processes. Specific suffixes like -AZVAO denote automotive-grade parts qualified for higher temperature ranges and functional safety requirements, while 'T' suffixes indicate tape-and-reel packaging for high-volume automated manufacturing.
