ATSAMD21E15B-AU vs ATSAMD21E15B-AUT Comparison
Detailed side-by-side comparison of ATSAMD21E15B-AU by Microchip Technology and ATSAMD21E15B-AUT 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
ATSAMD21E15B-AUT - 32KB Flash Cortex-M0+ MCU, 32-TQFP | Microchip
ATSAMD21E15B-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E15B-AU | ATSAMD21E15B-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.45 | $1.40 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Maximum Clock Frequency | 48 MHz | — |
| Flash Memory | 32 KB | 32 KB |
| SRAM | 4 KB | 4 KB |
| Supply Voltage | 1.62 V to 3.6 V (3.3 V nominal) | — |
| Operating Temperature | -40 °C to +85 °C (industrial) | — |
| Package | 32-pin TQFP | 32-pin TQFP (7x7 mm) |
| GPIO Count | Up to 26 | 26 (estimated for 32-TQFP, full SAM D21E pinout) |
| ADC | 12-bit, 20 channels | 10-bit, 12 channels |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| 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) | — |
| RoHS Status | Compliant | Compliant (Green, Pb-free) |
| CPU Clock Speed | — | 48 MHz |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| I/O Voltage | — | 3.3 V typical |
| Carrier Type | — | Tape & Reel (AUT suffix) |
| Operating Temperature Range | — | -40C to +85C (industrial) |
| Communication Interfaces | — | 6x SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device/Host |
| DMA Channels | — | 5 |
| Active Power Consumption | — | 70 uA/MHz |
| Sleep Power Consumption | — | [DATA_NEEDED: Sleep mode uA at full RAM retention] |
| MSL Level | — | MSL3 (per TQFP tape and reel convention) |