ATSAMD21G18A-AU vs ATSAMD21G17D-MUT Comparison
Detailed side-by-side comparison of ATSAMD21G18A-AU by Microchip Technology and ATSAMD21G17D-MUT 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-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AU ✓ ActiveMicrochip Technology
ATSAMD21G17D-MUT - 48MHz ARM Cortex-M0+ MCU 128KB Flash QFN-48
ATSAMD21G17D-MUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-AU | ATSAMD21G17D-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.78 | $1.31 |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Series | SAM D21G (Functional Safety / FuSa) | — |
| Maximum CPU Frequency | 48 MHz | — |
| CoreMark/MHz | 2.46 | — |
| Flash Memory | 256 KB (256K x 8) | 128 KB (128K x 8) |
| SRAM | 32 KB | 16 KB |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| Programmable I/O Pins | Up to 52 | — |
| ADC | 14-channel, 12-bit | 2x 12-bit, up to 350 ksps |
| DAC | 10-bit | 1x 10-bit |
| Peripheral Touch Controller (PTC) | Up to 256 channels (capacitive touch/proximity) | — |
| DMAC Channels | 12 | — |
| Event System Channels | 12 | — |
| Timer/Counters | Up to five 16-bit | — |
| Communication Peripherals (SERCOM) | Configurable as USART / SPI / I2C | — |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | — |
| Sleep Modes | Idle, Standby with SleepWalking | — |
| Package | 48-pin TQFP (7x7 mm) | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant (Green package) | Compliant |
| Core Architecture | — | ARM Cortex-M0+ |
| Maximum CPU Clock | — | 48 MHz |
| RWW Flash Section | — | 4 KB |
| Operating Voltage | — | 1.62 V to 3.63 V |
| Package Type | — | 48-pin QFN (7x7 mm) with exposed pad |
| USB Interface | — | USB 2.0 Full-Speed Device |
| SERCOM Channels | — | 6 (configurable UART/SPI/I2C) |
| GPIO | — | Up to 38 |
| RTC | — | 32-bit with calendar mode |
| Operating Temperature | — | -40C to +85C (I-temp) |
| Functional Safety | — | FuSa (IEC 60730 class B ready) |
| MSL Level | — | 3 (168 hours) |