ATSAMD21E18A-AFT vs ATSAMD21G17D-AFT Comparison
Detailed side-by-side comparison of ATSAMD21E18A-AFT by Microchip Technology and ATSAMD21G17D-AFT 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-AFT - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD21E18A-AFT ✓ ActiveMicrochip Technology
ATSAMD21G17D-AFT - 48MHz Cortex-M0+ 128KB Flash MCU | Microchip
ATSAMD21G17D-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E18A-AFT | ATSAMD21G17D-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.72 | $2.98 |
| Core | ARM Cortex-M0+ (32-bit) | 32-bit RISC |
| Series | SAM D21E (Functional Safety / FuSa) | — |
| Maximum CPU Clock | 48 MHz | — |
| CoreMark Performance | 2.46 CoreMark/MHz | — |
| Flash Memory | 256 KB (256K x 8) | 128 KB |
| SRAM | 32 KB | 16 KB |
| Operating Voltage | 1.62 V to 3.63 V | — |
| Operating Temperature | -40 C to +125 C | -40C to +125C (industrial) |
| Package | 32-TQFP (7x7 mm) | 48-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount (Tape & Reel) | Surface Mount |
| USB | Full-Speed USB 2.0 Device with integrated transceiver | USB 2.0 Full-Speed with on-chip PHY |
| Serial Interfaces (SERCOM) | Up to 6 (configurable UART/SPI/I2C) | — |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 350 ksps |
| Analog Comparators | 2 | — |
| Timers | 16-bit TC modules and TCC for PWM | 9 (TC, TCC, RTC) |
| Touch Controller | Peripheral Touch Controller (PTC) - capacitive touch | — |
| Event System | 12-channel | — |
| MSL Level | 3 | 3 (168 hours) |
| RoHS Status | Compliant | Compliant |
| Architecture | — | ARM Cortex-M0+ (v6-M) |
| Max CPU Frequency | — | 48 MHz |
| Read-While-Write Flash Partition | — | 4 KB |
| Supply Voltage | — | 1.62 V to 3.63 V |
| GPIO Count | — | 38 programmable I/O pins |
| DMA Channels | — | 12 |
| Communication Interfaces | — | 6 SERCOM (UART, SPI, I2C, I2S, LIN) |
| DAC | — | 10-bit |
| Lead-Free / Halogen-Free | — | Yes / Yes |