ATSAMD21E15B-AU vs ATSAMD21E17D-AF Comparison
Detailed side-by-side comparison of ATSAMD21E15B-AU by Microchip Technology and ATSAMD21E17D-AF 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
ATSAMD21E15B-AU - 32KB Flash ARM Cortex-M0+ MCU | Microchip
ATSAMD21E15B-AU ✓ ActiveMicrochip Technology
ATSAMD21E17D-AF - ARM Cortex-M0+ MCU, 48MHz, 128KB | Microchip
ATSAMD21E17D-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E15B-AU | ATSAMD21E17D-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Maximum Clock Frequency | 48 MHz | — |
| Flash Memory | 32 KB | 128 KB |
| SRAM | 4 KB | 16 KB |
| Supply Voltage | 1.62 V to 3.6 V (3.3 V nominal) | — |
| Operating Temperature | -40 °C to +85 °C (industrial) | -40C to +125C (extended / automotive) |
| Package | 32-pin TQFP | 32-pin TQFP (7x7 mm) |
| GPIO Count | Up to 26 | — |
| ADC | 12-bit, 20 channels | 12-bit, up to 350 ksps, 14 channels |
| DAC | 10-bit, 1 channel | 12-bit, 2 channels |
| SERCOM | 6 configurable (UART/SPI/I²C) | 6 (configurable as USART/SPI/I2C/LIN) |
| Timers/Counters | TC x6, TCC x2 | — |
| Analog Comparators | 2 | — |
| RTC | Yes (32.768 kHz) | 32.768 kHz with calendar/alarm |
| Programming Interface | Serial Wire Debug (SWD) | — |
| RoHS Status | Compliant | Compliant |
| Maximum CPU Clock | — | 48 MHz |
| Auxiliary Flash (RWW) | — | 4 KB |
| Mounting Type | — | Surface Mount (Gull-Wing) |
| Supply Voltage (VDD) | — | 1.62 V to 3.63 V |
| USB | — | USB 2.0 Full-Speed with on-chip PHY |
| Timer/Counters | — | Three 16-bit TC |
| DMA Channels | — | 12-channel DMAC + 12-channel Event System |
| Temperature Grade | — | Automotive / Extended (AF suffix) |
| Functional Safety | — | FuSa firmware & documentation (IEC 61508 SIL 2 collateral) |