ATSAMC20N18A-ANT vs ATSAMC21N18A-ANT Comparison
Detailed side-by-side comparison of ATSAMC20N18A-ANT by Microchip Technology and ATSAMC21N18A-ANT 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
ATSAMC20N18A-ANT - 256KB Flash Cortex-M0+ MCU 48MHz | Microchip
ATSAMC20N18A-ANT ✓ ActiveMicrochip Technology
ATSAMC21N18A-ANT - 48MHz Cortex-M0+ MCU 256KB Flash TQFP-100 | Microchip
ATSAMC21N18A-ANT ✓ ActiveSpecification Comparison
| Parameter | ATSAMC20N18A-ANT | ATSAMC21N18A-ANT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit, single-core) |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| Program Flash Memory | 256 KB (256K x 8) | — |
| SRAM | 32 KB | 32 KB |
| EEPROM Emulation Region (separate Flash) | 8 KB | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| Operating Temperature Range | -40 C to +105 C | — |
| GPIO Count | 84 | Up to 84 |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| I/O Tolerance | 5V tolerant | — |
| Hardware Multiplier | Single-cycle 32-bit | — |
| Memory Protection Unit (MPU) | Yes | Yes |
| Micro Trace Buffer | Yes | Yes |
| ADC | 12-bit | — |
| Communication Interfaces | SERCOM (configurable USART/SPI/I2C) | 6x SERCOM (UART/SPI/I2C), 1x CAN-FD, USB, I2S |
| Packing Media | Tape and Reel (1000) | — |
| RoHS Status | Compliant (Green, lead-free) | Compliant (Green) |
| Flash Memory | — | 256 KB (in-system self-programmable) |
| EEPROM Emulation Flash | — | 8 KB (independent self-programmable) |
| Supply Voltage (VDD) | — | 2.7 V to 5.5 V |
| Operating Temperature | — | -40C to +105C (industrial) |
| Analog Peripherals | — | 12-bit ADC, 10-bit DAC, comparators, op-amps, PTC |
| DMA Channels | — | 7 |
| Multipliers | — | Single-cycle hardware multiplier |
| Functional Safety (FuSa) | — | Yes |