ATSAMD21E15B-AU vs ATSAMD20E15B-AUT Comparison
Detailed side-by-side comparison of ATSAMD21E15B-AU by Microchip Technology and ATSAMD20E15B-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
ATSAMD20E15B-AUT - ARM Cortex-M0+ 48MHz 32KB Flash MCU | Microchip
ATSAMD20E15B-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E15B-AU | ATSAMD20E15B-AUT |
|---|---|---|
| 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 | 48 MHz |
| Flash Memory | 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) | -40C to +85C (Industrial) |
| 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, up to 10 channels |
| DAC | 10-bit, 1 channel | 10-bit, 350 ksps |
| SERCOM | 6 configurable (UART/SPI/I²C) | 6 channels (configurable as USART/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 |
| Program Memory (Flash) | — | 32 KB (32K x 8) |
| Supply Voltage Range | — | 1.62 V to 3.63 V |
| USB | — | Full-Speed USB 2.0 Device |
| Timers | — | 16-bit Timer/Counter, RTC |
| I/O Pins | — | Up to 26 GPIO |
| Mounting Type | — | Surface Mount |
| Family | — | SAM D20 |
| Low-Power Modes | — | Sleep, Standby, Backup with RTC |