ATSAMD20E17A-AU vs ATSAMD21E17A-AU Comparison
Detailed side-by-side comparison of ATSAMD20E17A-AU by Microchip Technology and ATSAMD21E17A-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
ATSAMD20E17A-AU - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD20E17A-AU ✓ ActiveMicrochip Technology
ATSAMD21E17A-AU - ARM Cortex-M0+ 48MHz 128KB MCU 32-TQFP | Microchip
ATSAMD21E17A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD20E17A-AU | ATSAMD21E17A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory (Flash) | 128 KB (128K x 8) | — |
| SRAM | 16 KB | 16 KB |
| Package | 32-TQFP (7x7 mm) | 32-pin TQFP (7x7 mm), 0.8 mm pitch |
| Pin Count | 32 | — |
| Supply Voltage | 1.62 V to 3.63 V | — |
| Operating Temperature | -40 C to +85 C (industrial) | — |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 350 ksps, up to 20 channels |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| SERCOM | Up to 6 (UART/SPI/I2C configurable) | — |
| USB | USB 2.0 Full-Speed Device | — |
| Peripheral Touch Controller (PTC) | Yes | — |
| Timers | 16-bit and 32-bit TCC/TC | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M0+ (SAM D21E family) |
| CPU Bit Width | — | 32-bit |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Program Flash Memory | — | 128 KB (128K x 8) |
| RWW (Read-While-Write) Flash Section | — | 4 KB |
| Operating Voltage Range (VDDIN) | — | 1.62 V to 3.63 V |
| USB Interface | — | USB 2.0 Full-Speed (12 Mbps) with on-chip transceiver |
| SERCOM Channels | — | 6 (configurable as UART/SPI/I2C) |
| Timer/Counters | — | Three 16-bit TC, one 32-bit TCC, one 24-bit RTC |
| DMA Controller | — | 12 channels |
| Operating Temperature Range | — | -40 C to +85 C (industrial) |
| MSL Level | — | 3 (per JEDEC J-STD-020) |
| Functional Safety (FuSa) | — | SAM D21E family supports FuSa variants |