ATSAMC21E18A-MUT vs ATSAMC20E18A-AUT Comparison
Detailed side-by-side comparison of ATSAMC21E18A-MUT by Microchip Technology and ATSAMC20E18A-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
ATSAMC21E18A-MUT - 48MHz Cortex-M0+ 256KB MCU | 32-VQFN
ATSAMC21E18A-MUT ✓ ActiveMicrochip Technology
ATSAMC20E18A-AUT - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMC20E18A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21E18A-MUT | ATSAMC20E18A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.40 | $2.85 |
| Core Processor | ARM Cortex-M0+ | — |
| Core Size | 32-Bit Single-Core | — |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| Program Memory (Flash) | 256 KB (256K x 8) | — |
| SRAM | 32 KB | 32 KB |
| Supply Voltage | 2.7 V to 5.5 V | — |
| Operating Temperature Range | -40 °C to +85 °C | — |
| Package | 32-VQFN (5x5 mm) | 32-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount | — |
| Number of I/O Pins | 26 | — |
| ADC | 12-bit, up to 20 channels, 1 MSPS | 12-bit SAR + 16-bit Sigma-Delta |
| DAC | 10-bit | — |
| CAN-FD Controller | 1 (CAN-FD capable) | — |
| SERCOM Modules | 6 (UART/SPI/I²C configurable) | Up to 6 (configurable UART/SPI/I2C) |
| USB | USB 2.0 Full-Speed | — |
| Peripheral Touch Controller (PTC) | Yes | — |
| Internal Oscillator | 48 MHz | — |
| RoHS Status | Compliant | — |
| MSL Level | 3 (per JEDEC J-STD-020) | — |
| Core Architecture | — | ARM Cortex-M0+ 32-bit |
| CoreMark Performance | — | 2.46 CoreMark/MHz |
| Program Flash | — | 256 KB (in-system programmable) |
| EEPROM Emulation Flash | — | 8 KB (independent self-programmable) |
| Supply Voltage (VDD) | — | 2.7 V to 5.5 V |
| I/O Tolerance | — | 5 V |
| Operating Temperature | — | -40 C to +125 C (AEC-Q100 Grade 1) |
| CAN-FD Interface | — | 1 (CAN 2.0B + CAN-FD) |
| Touch (PTC) | — | 24-bit Peripheral Touch Controller |
| Hardware Multiplier | — | Single-cycle 32-bit |
| Memory Protection Unit (MPU) | — | Yes |
| Debug Interface | — | Micro Trace Buffer + SWD |
| Automotive Qualification | — | AEC-Q100 Grade 1 |