ATSAMD21E15B-AFT vs ATSAMD21E15B-AU Comparison
Detailed side-by-side comparison of ATSAMD21E15B-AFT by Microchip Technology and ATSAMD21E15B-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
ATSAMD21E15B-AFT - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD21E15B-AFT ✓ ActiveMicrochip Technology
ATSAMD21E15B-AU - 32KB Flash ARM Cortex-M0+ MCU | Microchip
ATSAMD21E15B-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E15B-AFT | ATSAMD21E15B-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M0+ | — |
| Core Bit Width | 32-bit | — |
| Maximum Clock Frequency | 48 MHz | 48 MHz |
| Program Memory (Flash) | 32 KB (32K x 8) | — |
| Data Memory (SRAM) | 4 KB | — |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| I/O Pins | 26 (max) | — |
| Package | 32-pin TQFP (7x7 mm) | 32-pin TQFP |
| Mounting Type | Surface Mount | — |
| ADC | 12-bit, up to 14 channels | 12-bit, 20 channels |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| Timer/Counters | TC: 3 x 16-bit, TCC: 2 x 16-bit | — |
| Communication Interfaces | 6 x SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device, I2S | — |
| Functional Safety | IEC 60730 Class B (FuSa variant) | — |
| Operating Temperature Range | -40 C to +125 C | — |
| RoHS Status | Compliant | Compliant |
| MSL Level | MSL3 (per JEDEC J-STD-020) | — |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Flash Memory | — | 32 KB |
| SRAM | — | 4 KB |
| Supply Voltage | — | 1.62 V to 3.6 V (3.3 V nominal) |
| Operating Temperature | — | -40 °C to +85 °C (industrial) |
| GPIO Count | — | Up to 26 |
| SERCOM | — | 6 configurable (UART/SPI/I²C) |
| Timers/Counters | — | TC x6, TCC x2 |
| Analog Comparators | — | 2 |
| RTC | — | Yes (32.768 kHz) |
| Programming Interface | — | Serial Wire Debug (SWD) |