ATSAMD21E17A-AF vs ATSAMD20E17A-AU Comparison
Detailed side-by-side comparison of ATSAMD21E17A-AF by Microchip Technology and ATSAMD20E17A-AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMD21E17A-AF - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD21E17A-AF ✓ ActiveMicrochip Technology
ATSAMD20E17A-AU - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD20E17A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E17A-AF | ATSAMD20E17A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Family | SAM D21 / SAM D21E sub-family | — |
| Maximum CPU Clock | 48 MHz | — |
| Flash Program Memory | 128 KB | — |
| SRAM | 16 KB | 16 KB |
| RWW (Read-While-Write) Partition | 4 KB auxiliary flash | — |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | — |
| Operating Temperature Range | -40 C to +125 C (125C GREEN) | — |
| Package | 32-pin TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| USB | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed Device |
| DMA Channels | 12 | — |
| Timer/Counters | Three 16-bit TC | — |
| SERCOM Modules | Up to 6 (configurable as I2C/SPI/UART) | — |
| ADC / DAC | 12-bit ADC, 10-bit DAC | — |
| RoHS Status | Compliant (GREEN) | Compliant |
| Debug Interface | Two-pin Serial Wire Debug (SWD) | — |
| Functional Safety (FuSa) | FuSa-capable family | — |
| Maximum Clock Frequency | — | 48 MHz |
| Program Memory (Flash) | — | 128 KB (128K x 8) |
| Pin Count | — | 32 |
| Supply Voltage | — | 1.62 V to 3.63 V |
| Operating Temperature | — | -40 C to +85 C (industrial) |
| ADC | — | 12-bit, up to 20 channels |
| DAC | — | 10-bit, 1 channel |
| SERCOM | — | Up to 6 (UART/SPI/I2C configurable) |
| Peripheral Touch Controller (PTC) | — | Yes |
| Timers | — | 16-bit and 32-bit TCC/TC |