ATSAMC21G15A-AUT vs ATSAMC20J18A-AUT Comparison
Detailed side-by-side comparison of ATSAMC21G15A-AUT by Microchip Technology and ATSAMC20J18A-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
ATSAMC21G15A-AUT - 48MHz Cortex-M0+ MCU 32KB Flash | Microchip
ATSAMC21G15A-AUT β ActiveMicrochip Technology
ATSAMC20J18A-AUT - 256KB Flash Cortex-M0+ MCU | Microchip
ATSAMC20J18A-AUT β ActiveSpecification Comparison
| Parameter | ATSAMC21G15A-AUT | ATSAMC20J18A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.15 | $3.10 |
| Manufacturer | Microchip Technology | β |
| Series | SAM C21 | β |
| Core Processor | ARM Cortex-M0+ | β |
| Core Size | 32-Bit | β |
| Maximum Clock Speed | 48 MHz | 48 MHz |
| Program Memory Size (Flash) | 32 KB (32K x 8) | β |
| RAM Size | 4 KB | β |
| Supply Voltage Range | 1.62 V to 5.5 V (5V tolerant I/O) | β |
| Operating Temperature Range | -40 C to +85 C (AUT grade) | β |
| Package | 48-TQFP (7x7 mm) | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 20 channels, 1 Msps | 12-bit, up to 1 Msps |
| DAC | 10-bit, 350 ksps | β |
| Communication Interfaces | 6x SERCOM (UART/SPI/I2C), CAN-FD | β |
| Peripheral Touch Controller (PTC) | Yes (capacitive touch) | β |
| Functional Safety | Class B (IEC 60730) capable | β |
| DMA Channels | 6 | β |
| I/O Pins | 38 (max) | β |
| RoHS Status | Compliant | Compliant (Green) |
| AEC-Q100 Qualified | Yes (AUT automotive grade) | β |
| Core | β | ARM Cortex-M0+ (32-bit, single-core) |
| Program Memory (Flash) | β | 256 KB (256K x 8) |
| SRAM | β | 32 KB |
| Operating Voltage Range | β | 2.7 V to 5.5 V |
| I/O Tolerance | β | 5 V tolerant |
| GPIO Count | β | 52 (on 64-pin TQFP) |
| Analog Comparators | β | 2 |
| PTC (Touch Channels) | β | Up to 24 |
| CAN | β | CAN-FD controller |
| USB | β | Full-Speed USB Device |
| SERCOM | β | Up to 6 configurable serial interfaces |
| Operating Temperature (Industrial) | β | -40 C to +85 C |
| Operating Temperature (Automotive) | β | -40 C to +125 C (AEC-Q100 grades available in family) |
| MSL Level | β | 3 |