ATSAMD20E14A-AUT vs ATSAMD21E17A-AU Comparison
Detailed side-by-side comparison of ATSAMD20E14A-AUT 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
ATSAMD20E14A-AUT - Cortex-M0+ MCU 48MHz 16KB FLASH TQFP-32
ATSAMD20E14A-AUT ✓ ActiveMicrochip Technology
ATSAMD21E17A-AU - ARM Cortex-M0+ 48MHz 128KB MCU 32-TQFP | Microchip
ATSAMD21E17A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD20E14A-AUT | ATSAMD21E17A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.55 | $2.30 |
| Core | ARM Cortex-M0+ | — |
| Architecture | 32-bit RISC | — |
| Maximum Clock Speed | 48 MHz | — |
| Program Memory (Flash) | 16 KB (16K x 8) | — |
| SRAM | 2 KB | 16 KB |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| Package | 32-TQFP (7x7 mm) | 32-pin TQFP (7x7 mm), 0.8 mm pitch |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature (Industrial) | -40C to +85C | — |
| Supply Voltage (Analog) | 1.62 V to 3.63 V | — |
| ADC | 12-bit, up to 10 channels [DATA_NEEDED: exact channel count for E variant] | 12-bit, up to 350 ksps, up to 20 channels |
| DAC | 10-bit | 10-bit, 1 channel |
| SERCOM (Configurable Serial) | Up to 6 channels | — |
| Timers | 16-bit TC [DATA_NEEDED: instance count] | — |
| Comparators | 2 analog comparators | — |
| RTC | 32 kHz with calendar | — |
| PTC (Peripheral Touch Controller) | Yes | — |
| Event System | Yes (inter-peripheral signalling) | — |
| Debug Interface | SWD | — |
| Peripheral Supply | [DATA_NEEDED: I/O supply current typ.] | — |
| RoHS Status | Compliant | Compliant |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] | 3 (per JEDEC J-STD-020) |
| Process Technology | [DATA_NEEDED: process node] | — |
| 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) |
| Functional Safety (FuSa) | — | SAM D21E family supports FuSa variants |