ATSAMD21E18A-MU vs ATSAMD21E17A-MU Comparison
Detailed side-by-side comparison of ATSAMD21E18A-MU by Microchip Technology and ATSAMD21E17A-MU 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
ATSAMD21E18A-MU - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD21E18A-MU ✓ ActiveMicrochip Technology
ATSAMD21E17A-MU - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21E17A-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E18A-MU | ATSAMD21E17A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.27 | $2.18 |
| Core | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ (32-bit) |
| Family | SAM D21E (SAMD21E18A) | — |
| Functional Safety | FuSa (IEC 60730 Class B) variant | — |
| Max CPU Clock | 48 MHz | — |
| CoreMark | 2.46 CoreMark/MHz | — |
| Flash Memory | 256 KB | 128 KB (128K x 8) |
| SRAM | 32 KB | 16 KB |
| Operating Voltage (VDD) | 1.6 V to 3.6 V | — |
| Package | 32-pin VQFN (5x5 mm) with EP | 32-VQFN (5x5) with exposed pad |
| Pin Count | 32 | — |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 20 channels |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| Analog Comparators | 2 | — |
| SERCOM Channels | Up to 6 (UART/SPI/I2C configurable) | — |
| USB | USB 2.0 Full-Speed Device/Host with on-chip transceiver | — |
| PTC (Touch) | Up to 256 channels (Peripheral Touch Controller) | — |
| DMA Channels | 24 | — |
| Event System Channels | 12 | 12 |
| RTC | Yes, 32-bit RTC | — |
| Operating Temperature | -40 C to +85 C (Industrial) | — |
| RoHS Status | Compliant | Compliant |
| MSL Level | [DATA_NEEDED: MSL moisture sensitivity level] | — |
| Bootloader | On-chip ROM (UART/USB bootloader) | — |
| Series | — | SAM D21E (Functional Safety) |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Read-While-Write Flash Area | — | 4 KB |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| GPIO Count | — | Up to 26 |
| USB Interface | — | USB 2.0 Full-Speed Device with embedded transceiver |
| Timer/Counters | — | Three 16-bit TC |
| SERCOM | — | Up to 6 configurable (I2C/SPI/UART) |
| DMAC Channels | — | 12 |
| Lead-Free | — | Yes |
| Debug Interface | — | 2-pin Serial Wire Debug (SWD) |