| Base Part Number | ATSAML21E |
| Connectivity | I |
| Core Processor | ARM |
| Core Size | 32-Bit |
| Data Converters | A/D 10x12b; D/A 2x12b |
| EEPROM Size | - |
| Lead Free Status / RoHS Status | RoHS Compliant |
| Manufacturer Part Number | ATSAML21E15B-ANT |
| Manufacturer Standard Lead Time | 6 Weeks |
| Mounting Type | Surface Mount |
| Number of I/O | 25 |
| Operating Temperature | -40 |
| Oscillator Type | Internal |
| Package / Case | 32-TQFP |
| Packaging | Reel |
| Peripherals | DMA, POR, PWM, WDT |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 4K x 8 |
| Series | SAM L21E |
| Speed | 48MHz |
| Standard Package | 2,000 |
| Supplier Device Package | 32-TQFP (7x7) |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.63V |