ATSAMC21J18A-ANT vs ATSAMC20J18A-AUT Comparison
Detailed side-by-side comparison of ATSAMC21J18A-ANT by Microchip Technology and ATSAMC20J18A-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
ATSAMC21J18A-ANT - 32-bit ARM Cortex-M0+ MCU 48MHz CAN-FD | Microchip
ATSAMC21J18A-ANT ✓ ActiveMicrochip Technology
ATSAMC20J18A-AUT - 256KB Flash Cortex-M0+ MCU | Microchip
ATSAMC20J18A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21J18A-ANT | ATSAMC20J18A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.10 | $3.10 |
| Core Architecture | ARM Cortex-M0+ (32-bit, single-core) | — |
| Family / Series | SAM C21, Functional Safety (FuSa) | — |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 256 KB (in-system self-programmable) | — |
| SRAM | 32 KB | 32 KB |
| EEPROM Emulation Area | 8 KB independent self-programmable Flash block | — |
| Supply Voltage | 2.7 V to 5.5 V (5 V-tolerant I/O) | — |
| Operating Temperature | -40 C to +105 C | — |
| Package | 64-pin TQFP, 10x10 mm | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount, Tape & Reel (-ANT) | Surface Mount |
| Communication Peripherals | CAN-FD, USB 2.0 FS device, 6x SERCOM (UART/SPI/I2C) | — |
| Analog | 12-bit ADC (up to 16 channels), 2x analog comparators, PTC | — |
| Hardware Multiplier | Single-cycle (32-bit result) | — |
| Memory Protection Unit (MPU) | Yes | — |
| Debug Interface | SWD + Micro Trace Buffer | — |
| I/O Pins (approximate) | [DATA_NEEDED: exact GPIO count for 64-TQFP] | — |
| RoHS Status | Compliant | Compliant (Green) |
| Core | — | ARM Cortex-M0+ (32-bit, single-core) |
| Maximum Clock Speed | — | 48 MHz |
| Program Memory (Flash) | — | 256 KB (256K x 8) |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| I/O Tolerance | — | 5 V tolerant |
| GPIO Count | — | 52 (on 64-pin TQFP) |
| ADC | — | 12-bit, up to 1 Msps |
| Analog Comparators | — | 2 |
| PTC (Touch Channels) | — | Up to 24 |
| CAN | — | CAN-FD controller |
| USB | — | Full-Speed USB Device |
| SERCOM | — | Up to 6 configurable serial interfaces |
| Operating Temperature (Industrial) | — | -40 C to +85 C |
| Operating Temperature (Automotive) | — | -40 C to +125 C (AEC-Q100 grades available in family) |
| MSL Level | — | 3 |