ATSAMC21G18A-AUT vs ATSAMC21G15A-AUT Comparison
Detailed side-by-side comparison of ATSAMC21G18A-AUT by Microchip Technology and ATSAMC21G15A-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
ATSAMC21G15A-AUT - 48MHz Cortex-M0+ MCU 32KB Flash | Microchip
ATSAMC21G15A-AUT β ActiveSpecification Comparison
| Parameter | ATSAMC21G18A-AUT | ATSAMC21G15A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.78 | $2.15 |
| Core | ARM Cortex-M0+ (32-bit) | β |
| Max CPU Clock | 48 MHz | β |
| Program Flash | 256 KB (256K x 8) | β |
| SRAM | 32 KB | β |
| 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 20 channels, 1 Msps |
| 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 |
| Manufacturer | β | Microchip Technology |
| Series | β | SAM C21 |
| Core Processor | β | ARM Cortex-M0+ |
| Core Size | β | 32-Bit |
| Maximum Clock Speed | β | 48 MHz |
| Program Memory Size (Flash) | β | 32 KB (32K x 8) |
| RAM Size | β | 4 KB |
| Supply Voltage Range | β | 1.62 V to 5.5 V (5V tolerant I/O) |
| Operating Temperature Range | β | -40 C to +85 C (AUT grade) |
| Communication Interfaces | β | 6x SERCOM (UART/SPI/I2C), CAN-FD |
| Peripheral Touch Controller (PTC) | β | Yes (capacitive touch) |
| Functional Safety | β | Class B (IEC 60730) capable |
| DMA Channels | β | 6 |
| I/O Pins | β | 38 (max) |
| AEC-Q100 Qualified | β | Yes (AUT automotive grade) |