ATSAMC20E18A-AUT vs ATSAMC21E18A-MUT Comparison
Detailed side-by-side comparison of ATSAMC20E18A-AUT by Microchip Technology and ATSAMC21E18A-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
ATSAMC20E18A-AUT - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMC20E18A-AUT ✓ ActiveMicrochip Technology
ATSAMC21E18A-MUT - 48MHz Cortex-M0+ 256KB MCU | 32-VQFN
ATSAMC21E18A-MUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMC20E18A-AUT | ATSAMC21E18A-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.53 | $3.40 |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| CoreMark per MHz | 2.46 CoreMark/MHz | — |
| Flash Memory | 256 KB (in-system programmable) | — |
| EEPROM Emulation Flash | 8 KB (independent bank) | — |
| SRAM | 32 KB | 32 KB |
| Supply Voltage (VDD) | 2.7 V to 5.5 V | — |
| I/O Tolerance | 5 V tolerant | — |
| ADC | 12-bit SAR + 16-bit Sigma-Delta | 12-bit, up to 20 channels, 1 MSPS |
| PTC Touch Channels | 24-bit Peripheral Touch Controller | — |
| Communication Peripherals | 6x SERCOM (UART/SPI/I2C), CAN-FD | — |
| Analog Comparators | Yes | — |
| Memory Protection Unit (MPU) | Yes | — |
| Micro Trace Buffer | Yes | — |
| Operating Temperature | -40 °C to +85 °C (Industrial) | — |
| Package | 32-pin TQFP (7x7 mm) | 32-VQFN (5x5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| AEC-Q100 Grade | Grade 1 | — |
| RoHS Status | Compliant | Compliant |
| Core Processor | — | ARM Cortex-M0+ |
| Core Size | — | 32-Bit Single-Core |
| Program Memory (Flash) | — | 256 KB (256K x 8) |
| Supply Voltage | — | 2.7 V to 5.5 V |
| Operating Temperature Range | — | -40 °C to +85 °C |
| Number of I/O Pins | — | 26 |
| DAC | — | 10-bit |
| CAN-FD Controller | — | 1 (CAN-FD capable) |
| SERCOM Modules | — | 6 (UART/SPI/I²C configurable) |
| USB | — | USB 2.0 Full-Speed |
| Peripheral Touch Controller (PTC) | — | Yes |
| Internal Oscillator | — | 48 MHz |
| MSL Level | — | 3 (per JEDEC J-STD-020) |