ATSAMC21E17A-AUT vs ATSAMD20E18A-AU Comparison
Detailed side-by-side comparison of ATSAMC21E17A-AUT by Microchip Technology and ATSAMD20E18A-AU 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
ATSAMC21E17A-AUT - 48MHz Cortex-M0+ 128KB MCU | Microchip
ATSAMC21E17A-AUT β ActiveMicrochip Technology
ATSAMD20E18A-AU - ARM Cortex-M0+ MCU 256KB Flash 32-TQFP | Microchip
ATSAMD20E18A-AU β ActiveSpecification Comparison
| Parameter | ATSAMC21E17A-AUT | ATSAMD20E18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.45 | $2.18 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | β |
| Series | SAM C21 (5V Cortex-M0+ with CAN-FD) | β |
| Maximum Clock Speed | 48 MHz | β |
| Flash Memory | 128 KB (128K x 8) | β |
| SRAM | 16 KB | β |
| Operating Voltage | 2.7V to 5.5V | β |
| I/O Voltage Tolerance | 5V native | β |
| Package | 32-TQFP (7x7 mm) | 32-TQFP 7x7 mm |
| Operating Temperature | -40C to +85C (industrial) | β |
| ADC | 12-bit, up to 1 Msps | 12-bit, 350 ksps, up to 14 channels |
| CAN-FD | Yes (1 channel) | β |
| SERCOM Modules | Up to 6 (configurable UART/SPI/I2C) | β |
| PTC (Touch Controller) | Yes, supports capacitive touch | β |
| DMA Channels | 6 | β |
| Functional Safety (FuSa) | Yes (CRC, WWDT, dual BOD, DSU) | β |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| MSL Level | 3 | 3 (168 hours) |
| Core | β | ARM Cortex-M0+ |
| Core Width | β | 32-bit |
| Maximum Clock Frequency | β | 48 MHz |
| Program Memory Size (Flash) | β | 256 KB (256K x 8) |
| RAM Size | β | 32 KB |
| Supply Voltage Range | β | 1.62 V to 3.63 V |
| Operating Temperature Range | β | -40 C to +85 C (industrial) |
| Number of I/O Pins | β | 26 (max) |
| DAC | β | 10-bit, 350 ksps, 1 channel |
| Communication Interfaces | β | SERCOM (UART/SPI/I2C) x6, USB 2.0 Full-Speed Device, I2S |
| Peripheral Touch Controller (PTC) | β | Yes (buttons, sliders, wheels) |
| Lead-Free / Halogen-Free | β | Lead-free, Halogen-free per Microchip |