ATSAMD20G17A-MU vs ATSAMD20G18A-MU Comparison
Detailed side-by-side comparison of ATSAMD20G17A-MU by Microchip Technology and ATSAMD20G18A-MU 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
ATSAMD20G17A-MU - 48MHz Cortex-M0+ 128KB Flash MCU | Microchip
ATSAMD20G17A-MU β ActiveMicrochip Technology
ATSAMD20G18A-MU - ARM Cortex-M0+ 48MHz 256KB MCU | Microchip
ATSAMD20G18A-MU β ActiveSpecification Comparison
| Parameter | ATSAMD20G17A-MU | ATSAMD20G18A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.93 | $3.51 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ |
| Family | SAM D20G (Smart ARM) | β |
| Maximum CPU Frequency | 48 MHz | β |
| CoreMark/MHz | 2.14 | 2.14 |
| Flash Memory | 128 KB (128K x 8) | β |
| SRAM | 16 KB | β |
| Package | 48-pin QFN (7x7 mm) with Exposed Pad | 48-QFN (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Voltage | 1.62 V to 3.63 V | β |
| Operating Temperature | -40 C to +85 C (Industrial) | β |
| ADC | 14-channel, 12-bit, up to 350 ksps | 12-bit, up to 14 channels, 350 ksps |
| DAC | 1-channel, 10-bit | 10-bit, 350 ksps |
| SERCOM Interfaces | 6 (configurable as UART / SPI / I2C) | β |
| DMA Channels | 2 | β |
| RTC | 32-bit Real-Time Counter | β |
| Watchdog Timer | Yes | β |
| Peripheral Touch Controller | Yes (PTC for capacitive touch) | β |
| RoHS Status | Compliant | Compliant |
| MSL Level | MSL3 (per JEDEC J-STD-020) | β |
| Lead-Free / Halogen-Free | Yes (Lead-free finish, Halogen-free molding compound) | β |
| Manufacturer | β | Microchip Technology |
| Series | β | SAM D20 |
| Data Bus Width | β | 32 bit |
| Maximum Clock Frequency | β | 48 MHz |
| Program Memory Size (Flash) | β | 256 KB (256K x 8) |
| RAM Size | β | 32 KB |
| Operating Supply Voltage | β | 1.62 V to 3.63 V |
| Number of I/O Pins | β | 38 |
| Communication Interfaces | β | 6x SERCOM (USART/I2C/SPI), USB 2.0 FS |
| Timers | β | 16-bit TC, 32-bit TC, RTC |
| Operating Temperature Range | β | -40C to +85C (industrial) |