ATSAMD20G18A-AUT vs ATSAMD21G15B-AUT Comparison
Detailed side-by-side comparison of ATSAMD20G18A-AUT by Microchip Technology and ATSAMD21G15B-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 ✓ ActiveMicrochip Technology
ATSAMD21G15B-AUT - 48MHz Cortex-M0+ MCU, 32KB Flash, 48-TQFP | Microchip
ATSAMD21G15B-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD20G18A-AUT | ATSAMD21G15B-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.84 | $1.96 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ |
| Family | SAM D20 | — |
| Series | ATSAMD20G | — |
| Maximum CPU Frequency | 48 MHz | — |
| Program Flash Memory | 256 KB (256K x 8) | — |
| SRAM | 32 KB | 4 KB |
| Operating Voltage Range | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| Pin Count | 48 | — |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range (Automotive Grade) | -40 C to +85 C | — |
| ADC | 12-bit, up to 14 channels, 350 ksps | 12-bit, up to 350 ksps |
| DAC | 10-bit, 350 ksps | 10-bit |
| Peripheral Touch Controller (PTC) | Up to 256 channels | — |
| Communication Interfaces | 6x SERCOM (USART/I2C/SPI), I2S | — |
| Timers | 16-bit TC x6, 32-bit TCC x2, RTC | — |
| RoHS Status | Compliant | Compliant |
| MSL Level | MSL3 (168 hours) | [DATA_NEEDED: MSL level] |
| Core Count | — | Single-core 32-bit |
| Maximum Clock Frequency | — | 48 MHz |
| Program Memory (Flash) | — | 32 KB (32K x 8) |
| Operating Temperature | — | -40C to +85C (standard) |
| USB | — | USB 2.0 Full-Speed Device |
| SERCOM Modules | — | 6 (configurable UART/SPI/I2C) |
| DMA Channels | — | 12 |
| Functional Safety | — | FuSa documentation available (IEC 61508 SIL 2) |
| Supply Voltage (typical) | — | 3.3 V |