ATSAMD20G18A-MU vs ATSAMD20G18A-AU Comparison
Detailed side-by-side comparison of ATSAMD20G18A-MU by Microchip Technology and ATSAMD20G18A-AU 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-MU - ARM Cortex-M0+ 48MHz 256KB MCU | Microchip
ATSAMD20G18A-MU β ActiveMicrochip Technology
ATSAMD20G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD20G18A-AU β ActiveSpecification Comparison
| Parameter | ATSAMD20G18A-MU | ATSAMD20G18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.51 | $2.84 |
| Manufacturer | Microchip Technology | β |
| Series | SAM D20 | β |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ (32-bit) |
| Data Bus Width | 32 bit | β |
| Maximum Clock Frequency | 48 MHz | β |
| Program Memory Size (Flash) | 256 KB (256K x 8) | β |
| RAM Size | 32 KB | β |
| Operating Supply Voltage | 1.62 V to 3.63 V | β |
| Package | 48-QFN (7x7 mm) | 48-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Number of I/O Pins | 38 | β |
| ADC | 12-bit, up to 14 channels, 350 ksps | 12-bit, up to 350 ksps |
| DAC | 10-bit, 350 ksps | 10-bit, 350 ksps |
| Communication Interfaces | 6x SERCOM (USART/I2C/SPI), USB 2.0 FS | β |
| Timers | 16-bit TC, 32-bit TC, RTC | β |
| CoreMark/MHz | 2.14 | β |
| Operating Temperature Range | -40C to +85C (industrial) | β |
| RoHS Status | Compliant | Compliant |
| Family | β | SAM D20 (Atmel SMART) |
| Maximum CPU Clock | β | 48 MHz |
| CoreMark Score | β | 2.14 CoreMark/MHz |
| Flash Program Memory | β | 256 KB (256K x 8) |
| SRAM | β | 32 KB |
| Operating Voltage (VDDIN) | β | 1.62 V to 3.63 V |
| GPIO Pins | β | 38 |
| Peripheral Touch Controller (PTC) | β | 256-channel capacitive touch |
| Communication Peripherals | β | 6 SERCOM (USART/SPI/I2C), I2S, USB 2.0 FS (device) |
| Timers/Counters | β | TC (8-bit/16-bit/24-bit), RTC, WDT |
| Operating Temperature | β | -40C to +85C (industrial, -AU suffix) |
| MSL Level | β | 3 (168 hours) |
| Programming/Debug | β | SWD, SAM-BA bootloader |