ATSAMD21E18A-AFT vs ATSAMD21E17A-AU Comparison
Detailed side-by-side comparison of ATSAMD21E18A-AFT 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
ATSAMD21E18A-AFT - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD21E18A-AFT β ActiveMicrochip Technology
ATSAMD21E17A-AU - ARM Cortex-M0+ 48MHz 128KB MCU 32-TQFP | Microchip
ATSAMD21E17A-AU β ActiveSpecification Comparison
| Parameter | ATSAMD21E18A-AFT | ATSAMD21E17A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.72 | $2.30 |
| Core | ARM Cortex-M0+ (32-bit) | β |
| Series | SAM D21E (Functional Safety / FuSa) | β |
| Maximum CPU Clock | 48 MHz | β |
| CoreMark Performance | 2.46 CoreMark/MHz | β |
| Flash Memory | 256 KB (256K x 8) | β |
| SRAM | 32 KB | 16 KB |
| Operating Voltage | 1.62 V to 3.63 V | β |
| Operating Temperature | -40 C to +125 C | β |
| Package | 32-TQFP (7x7 mm) | 32-pin TQFP (7x7 mm), 0.8 mm pitch |
| Mounting Type | Surface Mount (Tape & Reel) | Surface Mount |
| USB | Full-Speed USB 2.0 Device with integrated transceiver | β |
| Serial Interfaces (SERCOM) | Up to 6 (configurable UART/SPI/I2C) | β |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 350 ksps, up to 20 channels |
| Analog Comparators | 2 | β |
| Timers | 16-bit TC modules and TCC for PWM | β |
| Touch Controller | Peripheral Touch Controller (PTC) - capacitive touch | β |
| Event System | 12-channel | β |
| MSL Level | 3 | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant |
| Core Architecture | β | ARM Cortex-M0+ (SAM D21E family) |
| CPU Bit Width | β | 32-bit |
| Maximum CPU Frequency | β | 48 MHz |
| CoreMark/MHz | β | 2.46 |
| Program Flash Memory | β | 128 KB (128K x 8) |
| RWW (Read-While-Write) Flash Section | β | 4 KB |
| Operating Voltage Range (VDDIN) | β | 1.62 V to 3.63 V |
| USB Interface | β | USB 2.0 Full-Speed (12 Mbps) with on-chip transceiver |
| SERCOM Channels | β | 6 (configurable as UART/SPI/I2C) |
| Timer/Counters | β | Three 16-bit TC, one 32-bit TCC, one 24-bit RTC |
| DAC | β | 10-bit, 1 channel |
| DMA Controller | β | 12 channels |
| Operating Temperature Range | β | -40 C to +85 C (industrial) |
| Functional Safety (FuSa) | β | SAM D21E family supports FuSa variants |