ATSAMD20G18A-AUT vs ATSAMC21G18A-AUT Comparison
Detailed side-by-side comparison of ATSAMD20G18A-AUT by Microchip Technology and ATSAMC21G18A-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
ATSAMD20G18A-AUT - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD20G18A-AUT β ActiveMicrochip Technology
ATSAMC21G18A-AUT - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMC21G18A-AUT β ActiveSpecification Comparison
| Parameter | ATSAMD20G18A-AUT | ATSAMC21G18A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.84 | $2.78 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | β |
| Family | SAM D20 | β |
| Series | ATSAMD20G | β |
| Maximum CPU Frequency | 48 MHz | β |
| Program Flash Memory | 256 KB (256K x 8) | β |
| SRAM | 32 KB | 32 KB |
| Operating Voltage Range | 1.62 V to 3.63 V | β |
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| Pin Count | 48 | β |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range (Automotive Grade) | -40 C to +85 C | β |
| ADC | 12-bit, up to 14 channels, 350 ksps | 12-bit, up to 1 Msps |
| DAC | 10-bit, 350 ksps | 10-bit |
| Peripheral Touch Controller (PTC) | Up to 256 channels | β |
| Communication Interfaces | 6x SERCOM (USART/I2C/SPI), I2S | β |
| Timers | 16-bit TC x6, 32-bit TCC x2, RTC | β |
| RoHS Status | Compliant | Compliant |
| MSL Level | MSL3 (168 hours) | β |
| Core | β | ARM Cortex-M0+ (32-bit) |
| Max CPU Clock | β | 48 MHz |
| Program Flash | β | 256 KB (256K x 8) |
| EEPROM Emulation Flash | β | 8 KB (independent, self-programmable) |
| Supply Voltage (VDDIN) | β | 2.7 V to 5.5 V |
| I/O Voltage Tolerance | β | 5 V tolerant |
| Operating Temperature | β | -40 C to +125 C (automotive grade) |
| CAN-FD Controller | β | Yes (ISO 11898-1:2015) |
| SERCOM Modules | β | Configurable as UART/SPI/I2C |
| Memory Protection Unit (MPU) | β | Yes |
| Micro Trace Buffer | β | Yes |
| AEC-Q100 | β | Qualified (grade 1) |