ATSAMC21G15A-AUT vs ATSAMC20N18A-ANT Comparison
Detailed side-by-side comparison of ATSAMC21G15A-AUT 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
ATSAMC21G15A-AUT - 48MHz Cortex-M0+ MCU 32KB Flash | Microchip
ATSAMC21G15A-AUT ✓ ActiveMicrochip Technology
ATSAMC20N18A-ANT - 256KB Flash Cortex-M0+ MCU 48MHz | Microchip
ATSAMC20N18A-ANT ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21G15A-AUT | ATSAMC20N18A-ANT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Manufacturer | Microchip Technology | — |
| Series | SAM C21 | — |
| Core Processor | ARM Cortex-M0+ | — |
| Core Size | 32-Bit | — |
| Maximum Clock Speed | 48 MHz | — |
| Program Memory Size (Flash) | 32 KB (32K x 8) | — |
| RAM Size | 4 KB | — |
| Supply Voltage Range | 1.62 V to 5.5 V (5V tolerant I/O) | 2.7 V to 5.5 V |
| Operating Temperature Range | -40 C to +85 C (AUT grade) | -40 C to +105 C |
| Package | 48-TQFP (7x7 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 20 channels, 1 Msps | 12-bit |
| DAC | 10-bit, 350 ksps | — |
| Communication Interfaces | 6x SERCOM (UART/SPI/I2C), CAN-FD | SERCOM (configurable USART/SPI/I2C) |
| Peripheral Touch Controller (PTC) | Yes (capacitive touch) | — |
| Functional Safety | Class B (IEC 60730) capable | — |
| DMA Channels | 6 | — |
| I/O Pins | 38 (max) | — |
| RoHS Status | Compliant | Compliant (Green, lead-free) |
| AEC-Q100 Qualified | Yes (AUT automotive grade) | — |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | — | 48 MHz |
| Program Flash Memory | — | 256 KB (256K x 8) |
| SRAM | — | 32 KB |
| EEPROM Emulation Region (separate Flash) | — | 8 KB |
| GPIO Count | — | 84 |
| I/O Tolerance | — | 5V tolerant |
| Hardware Multiplier | — | Single-cycle 32-bit |
| Memory Protection Unit (MPU) | — | Yes |
| Micro Trace Buffer | — | Yes |
| Packing Media | — | Tape and Reel (1000) |