ATSAMC21J18A-MUT64 vs ATSAMC20J18A-MUT Comparison
Detailed side-by-side comparison of ATSAMC21J18A-MUT64 by Microchip Technology and ATSAMC20J18A-MUT 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
ATSAMC21J18A-MUT64 - 48MHz Cortex-M0+ MCU 256KB Flash CAN-FD | Microchip
ATSAMC21J18A-MUT64 β ActiveMicrochip Technology
ATSAMC20J18A-MUT - 48MHz Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMC20J18A-MUT β ActiveSpecification Comparison
| Parameter | ATSAMC21J18A-MUT64 | ATSAMC20J18A-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.85 | $2.30 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| Program Flash Memory | 256 KB | β |
| SRAM | 32 KB | 32 KB |
| EEPROM Emulation Flash | 8 KB (independent self-programmable) | β |
| Supply Voltage (VDDIN) | 2.7 V to 5.5 V | β |
| Supply Voltage (VDDIO) | 1.62 V to 3.6 V (5V-tolerant I/O) | β |
| I/O Pins | 52 (approx., 64-VQFN) | β |
| ADC | 12-bit, up to 1 Msps, 20 channels | 12-bit |
| CAN-FD Controllers | 2 | β |
| SERCOM Modules | 6 (UART/SPI/I2C configurable) | β |
| USB | USB 2.0 Full-Speed Device | β |
| Timers/Counters | 16-/24-bit, multiple TC channels | β |
| PTC (Touch Channels) | Up to 256 channels | β |
| Memory Protection Unit (MPU) | Yes | β |
| Micro Trace Buffer | Yes | β |
| Package | 64-VQFN (9x9 mm) with exposed pad | 64-pin VQFN (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | β |
| Functional Safety (FuSa) | Yes | β |
| RoHS Status | Compliant | Green compliant |
| Core Architecture | β | 32-bit RISC |
| Program Memory (Flash) | β | 256 KB |
| Additional Flash for EEPROM emulation | β | 4 KB |
| Operating Voltage (VDD) | β | 2.7 V to 5.5 V |
| I/O Tolerance | β | 5 V tolerant |
| Maximum Programmable I/O Pins | β | 84 |
| ADC Sample Rate | β | 1 MSPS |
| CAN Interface | β | CAN-FD |
| Operating Temperature (MUT variant) | β | -40C to +85C (industrial) |
| AEC-Q100 Qualification (family) | β | Grade 1 (-40C to +125C) |
| Peripheral Touch Controller (PTC) | β | Yes |
| SERCOM Peripherals | β | Configurable USART/SPI/I2C |
| DMA | β | Yes |