ATSAMD21G17A-AU vs ATSAMD21G18A-AU Comparison
Detailed side-by-side comparison of ATSAMD21G17A-AU by Microchip Technology and ATSAMD21G18A-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
ATSAMD21G17A-AU - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD21G17A-AU β ActiveMicrochip Technology
ATSAMD21G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AU β ActiveSpecification Comparison
| Parameter | ATSAMD21G17A-AU | ATSAMD21G18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.30 | $1.74 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Series | SAM D21G, Functional Safety (FuSa) | β |
| Maximum Clock Frequency | 48 MHz | β |
| Performance | 2.46 CoreMark/MHz | β |
| Flash Memory | 128 KB | 256 KB |
| SRAM | 16 KB | 32 KB |
| RWW Flash Region | 4 KB | β |
| Supply Voltage (Vcc/Vdd) | 1.62 V to 3.6 V | β |
| GPIO Count | 38 | β |
| ADC | 12-bit, up to 350 ksps | 12-bit |
| DAC | 10-bit, 350 ksps | Yes |
| Analog Comparators | 2 | β |
| USB | Full-Speed USB 2.0 Device, integrated transceiver | β |
| SERCOM | 6 configurable (UART/SPI/I2C) | β |
| Package | 48-TQFP (7x7 mm) | 48-pin TQFP (7x7 mm) |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C (industrial) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant (Green) | Compliant (green package) |
| Maximum CPU Clock | β | 48 MHz |
| Supply Voltage Range | β | 1.62 V to 3.63 V |
| DMAC Channels | β | 12 |
| Event System Channels | β | 12 |
| Timer/Counters | β | Up to 5 x 16-bit TC |
| SERCOM Interfaces | β | Configurable as USART / SPI / I2C |
| Debug Interface | β | Serial Wire Debug (SWD), 2-pin |
| CoreMark/MHz | β | 2.46 |
| Functional Safety | β | FuSa-ready |