ATSAMC21N18A-ANT vs ATSAMC20N18A-ANT Comparison
Detailed side-by-side comparison of ATSAMC21N18A-ANT by Microchip Technology and ATSAMC20N18A-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
ATSAMC21N18A-ANT - 48MHz Cortex-M0+ MCU 256KB Flash TQFP-100 | Microchip
ATSAMC21N18A-ANT β ActiveMicrochip Technology
ATSAMC20N18A-ANT - 256KB Flash Cortex-M0+ MCU 48MHz | Microchip
ATSAMC20N18A-ANT β ActiveSpecification Comparison
| Parameter | ATSAMC21N18A-ANT | ATSAMC20N18A-ANT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.12 | $4.10 |
| Core | ARM Cortex-M0+ (32-bit, single-core) | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| Flash Memory | 256 KB (in-system self-programmable) | β |
| EEPROM Emulation Flash | 8 KB (independent self-programmable) | β |
| SRAM | 32 KB | 32 KB |
| Supply Voltage (VDD) | 2.7 V to 5.5 V | β |
| Operating Temperature | -40C to +105C (industrial) | β |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| GPIO Count | Up to 84 | 84 |
| Communication Interfaces | 6x SERCOM (UART/SPI/I2C), 1x CAN-FD, USB, I2S | SERCOM (configurable USART/SPI/I2C) |
| Analog Peripherals | 12-bit ADC, 10-bit DAC, comparators, op-amps, PTC | β |
| DMA Channels | 7 | β |
| Multipliers | Single-cycle hardware multiplier | β |
| Memory Protection Unit (MPU) | Yes | Yes |
| Micro Trace Buffer | Yes | Yes |
| Functional Safety (FuSa) | Yes | β |
| RoHS Status | Compliant (Green) | Compliant (Green, lead-free) |
| Mounting Type | Surface Mount | Surface Mount |
| Program Flash Memory | β | 256 KB (256K x 8) |
| EEPROM Emulation Region (separate Flash) | β | 8 KB |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| Operating Temperature Range | β | -40 C to +105 C |
| I/O Tolerance | β | 5V tolerant |
| Hardware Multiplier | β | Single-cycle 32-bit |
| ADC | β | 12-bit |
| Packing Media | β | Tape and Reel (1000) |