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