ATSAMD20J17A-AUT vs ATSAMD21J17A-AUT Comparison
Detailed side-by-side comparison of ATSAMD20J17A-AUT by Microchip Technology and ATSAMD21J17A-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
ATSAMD20J17A-AUT - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD20J17A-AUT ✓ ActiveMicrochip Technology
ATSAMD21J17A-AUT - SAM D21 Cortex-M0+ 48MHz MCU | Microchip
ATSAMD21J17A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD20J17A-AUT | ATSAMD21J17A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.30 | $3.30 |
| Core Architecture | ARM Cortex-M0+ | — |
| Core Count | 1 (Single-Core) | — |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| Flash Memory | 128 KB (128K x 8) | — |
| SRAM | 16 KB | 16 KB |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 20 channels |
| DAC | 10-bit, 350 ksps | 10-bit, 1 channel |
| USB Interface | USB 2.0 Full-Speed Device with on-chip transceiver | — |
| SERCOM Modules | 6 (configurable as UART/SPI/I2C) | — |
| Timers | 6 x 16-bit Timer/Counters | Four 16-bit TCC/TC |
| Peripheral Touch Controller (PTC) | 256-channel, supports button/slider/wheel | — |
| Real-Time Clock (RTC) | Yes, with 32.768kHz domain | — |
| Operating Temperature Range | -40C to +85C (Industrial, AUT grade) | — |
| Package | 64-pin TQFP (10x10 mm) with exposed pad | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant |
| Series | — | SAM D21 |
| Core | — | ARM Cortex-M0+ |
| Core Size | — | 32-Bit |
| Program Memory (Flash) | — | 128 KB (128K x 8) |
| RWW Flash Partition | — | 4 KB |
| Supply Voltage (VDDIN) | — | 1.6 V to 3.6 V |
| Operating Temperature | — | -40C to +85C (automotive grade) |
| Number of I/O | — | 52 (approx.) |
| SERCOM Interfaces | — | 6 (configurable I2C/SPI/UART) |
| USB | — | USB 2.0 Full-Speed Device/Host |
| RTC | — | 32-bit |
| Peripheral Touch (PTC) | — | Yes |
| Automotive Grade | — | Yes (-AUT suffix) |