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