ATSAMC20N18A-ANT vs ATSAMC21N18A-AN Comparison
Detailed side-by-side comparison of ATSAMC20N18A-ANT by Microchip Technology and ATSAMC21N18A-AN 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 β ActiveMicrochip Technology
ATSAMC21N18A-AN - 48MHz Cortex-M0+ 256KB MCU | Microchip
ATSAMC21N18A-AN β ActiveSpecification Comparison
| Parameter | ATSAMC20N18A-ANT | ATSAMC21N18A-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.10 | $3.99 |
| Core | ARM Cortex-M0+ (32-bit) | β |
| Maximum CPU Clock | 48 MHz | β |
| Program Flash Memory | 256 KB (256K x 8) | β |
| SRAM | 32 KB | 32 KB |
| EEPROM Emulation Region (separate Flash) | 8 KB | β |
| Supply Voltage Range | 2.7 V to 5.5 V | β |
| Operating Temperature Range | -40 C to +105 C | β |
| GPIO Count | 84 | Up to 84 |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP, 14x14 mm, 0.5 mm pitch |
| Mounting Type | Surface Mount | Surface Mount |
| I/O Tolerance | 5V tolerant | β |
| Hardware Multiplier | Single-cycle 32-bit | Single-cycle |
| Memory Protection Unit (MPU) | Yes | β |
| Micro Trace Buffer | Yes | β |
| ADC | 12-bit | β |
| Communication Interfaces | SERCOM (configurable USART/SPI/I2C) | β |
| Packing Media | Tape and Reel (1000) | β |
| RoHS Status | Compliant (Green, lead-free) | Compliant (Green, lead-free) |
| Core Architecture | β | ARM Cortex-M0+ (32-bit) |
| Series | β | SAM C21 (Functional Safety / FuSa) |
| Maximum CPU Frequency | β | 48 MHz |
| Program Memory (Flash) | β | 256 KB (256K x 8), in-system self-programmable |
| EEPROM Emulation Area | β | 8 KB independent self-programmable Flash |
| Supply Voltage (VDD) | β | 2.7 V to 5.5 V |
| Operating Temperature | β | -40 Β°C to +105 Β°C (industrial) |
| Communication Peripherals | β | 6x SERCOM (UART/SPI/IΒ²C), 1x CAN-FD, USB 2.0 Full-Speed with embedded PHY |
| Analog Peripherals | β | 12-bit 1 Msps ADC (up to 16 channels), 12-bit DAC, analog comparators |
| Touch Peripheral | β | Peripheral Touch Controller (PTC) for capacitive touch |
| Timers | β | Two 16-bit TC, one 24-bit TC, RTC, watchdog |
| Trace / Debug | β | Micro Trace Buffer (MTB), SWD |
| Memory Protection | β | Memory Protection Unit (MPU) |
| MSL Level | β | 3 (per JEDEC J-STD-020) |