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