ATSAMC20E18A-AUT vs ATSAMC21E17A-AUT Comparison
Detailed side-by-side comparison of ATSAMC20E18A-AUT by Microchip Technology and ATSAMC21E17A-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
ATSAMC20E18A-AUT - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMC20E18A-AUT β ActiveMicrochip Technology
ATSAMC21E17A-AUT - 48MHz Cortex-M0+ 128KB MCU | Microchip
ATSAMC21E17A-AUT β ActiveSpecification Comparison
| Parameter | ATSAMC20E18A-AUT | ATSAMC21E17A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.85 | $2.45 |
| Core Architecture | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | 48 MHz | β |
| CoreMark Performance | 2.46 CoreMark/MHz | β |
| Program Flash | 256 KB (in-system programmable) | β |
| EEPROM Emulation Flash | 8 KB (independent self-programmable) | β |
| SRAM | 32 KB | 16 KB |
| Supply Voltage (VDD) | 2.7 V to 5.5 V | β |
| I/O Tolerance | 5 V | β |
| Operating Temperature | -40 C to +125 C (AEC-Q100 Grade 1) | -40C to +85C (industrial) |
| Package | 32-pin TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| CAN-FD Interface | 1 (CAN 2.0B + CAN-FD) | β |
| SERCOM Modules | Up to 6 (configurable UART/SPI/I2C) | Up to 6 (configurable UART/SPI/I2C) |
| ADC | 12-bit SAR + 16-bit Sigma-Delta | 12-bit, up to 1 Msps |
| Touch (PTC) | 24-bit Peripheral Touch Controller | β |
| Hardware Multiplier | Single-cycle 32-bit | β |
| Memory Protection Unit (MPU) | Yes | β |
| Debug Interface | Micro Trace Buffer + SWD | β |
| Automotive Qualification | AEC-Q100 Grade 1 | β |
| Series | β | SAM C21 (5V Cortex-M0+ with CAN-FD) |
| Maximum Clock Speed | β | 48 MHz |
| Flash Memory | β | 128 KB (128K x 8) |
| Operating Voltage | β | 2.7V to 5.5V |
| I/O Voltage Tolerance | β | 5V native |
| CAN-FD | β | Yes (1 channel) |
| PTC (Touch Controller) | β | Yes, supports capacitive touch |
| DMA Channels | β | 6 |
| Functional Safety (FuSa) | β | Yes (CRC, WWDT, dual BOD, DSU) |
| Mounting Type | β | Surface Mount |
| RoHS Status | β | Compliant |
| MSL Level | β | 3 |