ATSAMD21J17A-AU vs ATSAMD20J17A-CNT Comparison
Detailed side-by-side comparison of ATSAMD21J17A-AU by Microchip Technology and ATSAMD20J17A-CNT 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-AU - 48MHz Cortex-M0+ 128KB MCU 64-TQFP | Microchip
ATSAMD21J17A-AU ✓ ActiveMicrochip Technology
ATSAMD20J17A-CNT - ARM Cortex-M0+ 48MHz MCU 128KB Flash | Microchip
ATSAMD20J17A-CNT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J17A-AU | ATSAMD20J17A-CNT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.62 | $2.61 |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Family | SAM D21J (Functional Safety / FuSa) | — |
| Max CPU Clock | 48 MHz | — |
| Flash Memory | 128 KB | — |
| SRAM | 16 KB | 16 KB |
| Supply Voltage (VDDIN) | 1.62 V to 3.6 V | — |
| GPIO | 52 | — |
| ADC | 12-bit, up to 1 MSPS, 20 channels | 12-bit, up to 1 Msps |
| DAC | 10-bit, 1 channel | 10-bit |
| USB | USB 2.0 Full-Speed Device + Host/OTG | — |
| SERCOM | Up to 6 configurable (UART/SPI/I2C) | — |
| Timers/Counters | 5 (TC) + 3 (TCC) for PWM | TC modules, TCC modules, RTC |
| Operating Temperature | -40C to +85C | -40C to +105C (industrial) |
| Package | 64-pin TQFP (10x10 mm) | 64-ball UFBGA (5x5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant (per distributor listings) |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Series | — | SAM D20J |
| Maximum CPU Frequency | — | 48 MHz |
| Program Memory (Flash) | — | 128 KB |
| Supply Voltage (VDD) | — | 1.62 V to 3.63 V |
| Peripheral Touch Controller (PTC) | — | 256-channel |
| Communication Interfaces | — | SERCOM (I2C/SPI/UART), I2S, full-speed USB 2.0 Device |
| Event System | — | 16-bit interconnect, configurable |
| MSL Level | — | 3 (per JEDEC J-STD-020, reflow 260C) |