ATSAMD21G17D-AUT vs ATSAMD21G18A-AU Comparison
Detailed side-by-side comparison of ATSAMD21G17D-AUT 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-AUT - ARM Cortex-M0+ 48MHz 128KB MCU | Microchip
ATSAMD21G17D-AUT ✓ ActiveMicrochip Technology
ATSAMD21G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G17D-AUT | ATSAMD21G18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.78 | $2.78 |
| Core | ARM Cortex-M0+ (32-bit, single-core) | ARM Cortex-M0+ (32-bit) |
| CPU Family | SAM D21G (Functional Safety) | — |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| Program Flash | 128 KB (128K x 8) | — |
| SRAM | 16 KB | 32 KB |
| RWW Flash Section | 4 KB | — |
| Package | 48-TQFP (7x7 mm) | 48-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount (Tape & Reel) | Surface Mount |
| Operating Voltage (VDDIN) | 1.62 V to 3.63 V | — |
| Operating Temperature | -40C to +85C (Industrial) | — |
| ADC | 12-bit SAR, up to 20 channels, 350 ksps | 14-channel, 12-bit |
| DAC | 10-bit, 1 channel | 10-bit |
| USB | Full-Speed USB 2.0 Device with integrated PHY | — |
| SERCOM Channels | Up to 6 (configurable as I2C/SPI/UART) | — |
| Timers/Counters | TC x3, TCC x3 | — |
| RTC | 32.768 kHz RTC with calendar mode | — |
| RoHS Status | Compliant | Compliant (Green package) |
| MSL Level | 3 (per JEDEC J-STD-020) | — |
| Series | — | SAM D21G (Functional Safety / FuSa) |
| CoreMark/MHz | — | 2.46 |
| Flash Memory | — | 256 KB (256K x 8) |
| 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 |