ATSAMD21J17A-AF vs ATSAMD20J18A-AU Comparison
Detailed side-by-side comparison of ATSAMD21J17A-AF by Microchip Technology and ATSAMD20J18A-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
ATSAMD21J17A-AF - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD21J17A-AF β ActiveMicrochip Technology
ATSAMD20J18A-AU - ARM Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD20J18A-AU β ActiveSpecification Comparison
| Parameter | ATSAMD21J17A-AF | ATSAMD20J18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.75 | $2.15 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | β |
| Maximum CPU Frequency | 48 MHz | β |
| Flash Memory | 128 KB (128K x 8) | 256 KB |
| SRAM | 16 KB | 32 KB |
| RWW EEPROM Emulation Area | 4 KB | β |
| Operating Voltage Range | 1.62 V to 3.63 V | 1.62 V to 3.6 V |
| Maximum Operating Temperature | +125 Β°C (industrial grade) | β |
| Package | 64-pin TQFP, 10x10 mm, 0.5 mm pitch | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount (LQFP) |
| USB Interface | USB 2.0 Full-Speed Device with on-chip transceiver | β |
| Serial Communication Modules (SERCOM) | 6 (each configurable as UART/USART/SPI/I2C) | β |
| ADC | 12-bit, up to 350 ksps, up to 20 channels | 12-bit, up to 200 ksps |
| DAC | 10-bit, 350 ksps | 10-bit |
| PWM Channels | Up to 24 (TCC/TC) | β |
| GPIO Count | Up to 52 | β |
| MSL Level | MSL3 (per JEDEC J-STD-020) | 3 |
| RoHS Status | Compliant | Compliant |
| Core | β | ARM Cortex-M0+ (ARMv6-M, 32-bit) |
| Maximum Clock Frequency | β | 48 MHz |
| Programmable I/O Pins | β | Up to 52 |
| SERCOM Interfaces | β | Up to 8 (UART/SPI/I2C/LIN configurable) |
| USB | β | Full-Speed USB 2.0 Device |
| Timer/Counters | β | Six 16-bit TC, one 24-bit TC, one 32-bit RTC |
| DMA Channels | β | 2 (with 12 channels) |
| Operating Temperature Range | β | -40 C to +85 C |