ATSAMD20J18A-AUT vs ATSAMD21G17A-AUT Comparison
Detailed side-by-side comparison of ATSAMD20J18A-AUT by Microchip Technology and ATSAMD21G17A-AUT 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
ATSAMD20J18A-AUT - ARM Cortex-M0+ 48MHz 256KB Flash MCU | Microchip
ATSAMD20J18A-AUT ✓ ActiveMicrochip Technology
ATSAMD21G17A-AUT - 128KB Flash Cortex-M0+ MCU 48MHz | Microchip
ATSAMD21G17A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD20J18A-AUT | ATSAMD21G17A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.78 | $3.41 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Family | SAM D20 | — |
| Maximum CPU Clock | 48 MHz | — |
| CoreMark/MHz | 2.14 | — |
| Flash Memory | 256 KB | 128 KB |
| SRAM | 32 KB | 16 KB |
| Pin Count | 64 | 48 |
| Package | 64-LQFP (10x10 mm) | 48-pin TQFP (7x7 mm) |
| Operating Voltage | 1.62 V to 3.63 V | — |
| Operating Temperature | -40C to +85C (industrial) | -40C to +125C (Automotive Grade) |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 16 channels | 12-bit, up to 20 channels |
| DAC | 10-bit | 10-bit |
| SERCOM Modules | 6 (each configures UART/SPI/I2C) | 6 (configurable UART/SPI/I2C) |
| USB | Full-Speed USB Device | — |
| DMAC Channels | 4 | — |
| GPIOs | [DATA_NEEDED: GPIO count for 64-pin LQFP variant] | — |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Frequency | — | 48 MHz |
| Read-While-Write Partition | — | 4 KB RWW |
| Supply Voltage | — | 1.62 V to 3.63 V |
| USB Interface | — | USB 2.0 Full-Speed, integrated transceiver |
| Timer/Counters | — | TC modules with PWM |
| Event System | — | Yes (peripheral-to-peripheral signalling) |