ATSAMC21E17A-AUT vs ATSAMC21E18A-AUT Comparison
Detailed side-by-side comparison of ATSAMC21E17A-AUT by Microchip Technology and ATSAMC21E18A-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
ATSAMC21E17A-AUT - 48MHz Cortex-M0+ 128KB MCU | Microchip
ATSAMC21E17A-AUT ✓ ActiveMicrochip Technology
ATSAMC21E18A-AUT - 48MHz Cortex-M0+ MCU 256KB Flash TQFP-32 | Microchip
ATSAMC21E18A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21E17A-AUT | ATSAMC21E18A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.45 | $3.07 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | — |
| Series | SAM C21 (5V Cortex-M0+ with CAN-FD) | — |
| Maximum Clock Speed | 48 MHz | — |
| Flash Memory | 128 KB (128K x 8) | — |
| SRAM | 16 KB | 32 KB |
| Operating Voltage | 2.7V to 5.5V | — |
| I/O Voltage Tolerance | 5V native | — |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (AUT = automotive/extended grade) |
| ADC | 12-bit, up to 1 Msps | 12-bit, up to 16 channels |
| CAN-FD | Yes (1 channel) | — |
| SERCOM Modules | Up to 6 (configurable UART/SPI/I2C) | Up to 6 (configurable USART/I2C/SPI) |
| PTC (Touch Controller) | Yes, supports capacitive touch | — |
| DMA Channels | 6 | — |
| Functional Safety (FuSa) | Yes (CRC, WWDT, dual BOD, DSU) | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant (Green, lead-free per Mouser listing) |
| MSL Level | 3 | [DATA_NEEDED: MSL rating] |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | — | 48 MHz |
| Program Flash | — | 256 KB (256K x 8) |
| EEPROM Emulation Flash (auxiliary) | — | 8 KB independent self-programmable |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| I/O Tolerance | — | 5 V tolerant |
| CAN-FD Controller | — | Yes |
| Hardware Multiplier | — | Single-cycle |
| Memory Protection Unit (MPU) | — | Yes |
| Micro Trace Buffer | — | Yes |