ATSAMD21G17D-MUT vs ATSAMD21G18A-AU Comparison
Detailed side-by-side comparison of ATSAMD21G17D-MUT 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
ATSAMD21G17D-MUT - 48MHz ARM Cortex-M0+ MCU 128KB Flash QFN-48
ATSAMD21G17D-MUT ✓ ActiveMicrochip Technology
ATSAMD21G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G17D-MUT | ATSAMD21G18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.31 | $2.78 |
| Core Architecture | ARM Cortex-M0+ | — |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 128 KB (128K x 8) | 256 KB (256K x 8) |
| SRAM | 16 KB | 32 KB |
| RWW Flash Section | 4 KB | — |
| Operating Voltage | 1.62 V to 3.63 V | — |
| Package Type | 48-pin QFN (7x7 mm) with exposed pad | — |
| Mounting Type | Surface Mount | Surface Mount |
| USB Interface | USB 2.0 Full-Speed Device | — |
| ADC | 2x 12-bit, up to 350 ksps | 14-channel, 12-bit |
| DAC | 1x 10-bit | 10-bit |
| 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) | — |
| RoHS Status | Compliant | Compliant (Green package) |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Series | — | SAM D21G (Functional Safety / FuSa) |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| Programmable I/O Pins | — | Up to 52 |
| 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) |