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