ATSAMD21G18A-AF vs ATSAMD21G17A-AF Comparison
Detailed side-by-side comparison of ATSAMD21G18A-AF by Microchip Technology and ATSAMD21G17A-AF 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
ATSAMD21G18A-AF - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AF ✓ ActiveMicrochip Technology
ATSAMD21G17A-AF - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21G17A-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-AF | ATSAMD21G17A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M0+ (SAM D21) | — |
| Core Architecture | 32-bit RISC, Thumb/Thumb-2 instruction set | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 256 KB | 128 KB (128K x 8) |
| SRAM | 32 KB | 16 KB |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | — |
| Package | 48-pin TQFP (7x7 mm) | 48-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 20 channels |
| DAC | 10-bit, 350 ksps | 10-bit, 1 channel |
| USB | Full-speed USB 2.0 device with on-the-go (OTG) | — |
| SERCOM Channels | Up to 6 (configurable as I2C/SPI/UART) | — |
| Timers | Up to 5 x 16-bit Timer/Counters (TC) | — |
| DMA Channels | 12-channel DMAC | — |
| Event System | 12-channel inter-peripheral | — |
| Debug Interface | Two-pin Serial Wire Debug (SWD) | Serial Wire Debug (SWD) |
| Operating Temperature | -40C to +85C | — |
| RoHS Status | Compliant | Compliant (GREEN, lead-free) |
| Family | — | SAM D21G |
| Maximum Clock Frequency | — | 48 MHz |
| RWW Flash Region | — | 4 KB Read-While-Write |
| Operating Voltage Range | — | 1.6 V to 3.6 V |
| Operating Temperature Range | — | -40C to +125C (industrial) |
| USB Interface | — | USB 2.0 Full-Speed Device with on-chip PHY |
| SERCOM | — | 6 configurable (UART/SPI/I2C) |
| I2S | — | 2 interfaces |
| RTC | — | 24-bit with calendar |
| DMAC | — | 12 channels |
| Timers/Counters | — | TC x6, TCC x3 |
| External Interrupts | — | 16 (NMI + 15 standard) |
| CoreMark/MHz | — | 2.46 |
| MSL Level | — | 3 |
| Security | — | TRNG, AES-256, Flash protection |