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| PartNumber | ATSAMR21G18A-MF | ATSAMR21G18A-MFT | ATSAMR21G18A-MFTA6 |
| Description | RF Microcontrollers - MCU SAMR21 48pin 256K 125C | RF Microcontrollers - MCU SAMR21 48pin 256K 125C T&R | RF Microcontrollers - MCU SAMR21 48PIN 256K 85C T&R MAC addr - SAMR21 48PIN 256K 125C T&R MAC addr |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | RF Microcontrollers - MCU | RF Microcontrollers - MCU | RF Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Core | ARM Cortex M0+ | ARM Cortex M0+ | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Program Memory Size | 256 kB | 256 kB | - |
| Data RAM Size | 32 kB | 32 kB | - |
| Maximum Clock Frequency | 48 MHz | 48 MHz | - |
| ADC Resolution | 12 bit | 12 bit | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Package / Case | QFN-48 | QFN-48 | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Packaging | Tray | Reel | - |
| Program Memory Type | Flash | Flash | - |
| Series | ATSAMR21 | ATSAMR21 | ATSAMR21 |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | - |
| Interface Type | SPI, UART, USB | SPI, UART, USB | - |
| Number of I/Os | 28 I/O | 28 I/O | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 8 Channel | 8 Channel | - |
| Processor Series | SAMR21G | SAMR21G | - |
| Product Type | RF Microcontrollers - MCU | RF Microcontrollers - MCU | RF Microcontrollers - MCU |
| Factory Pack Quantity | 416 | 4000 | 4000 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Tradename | SMART | SMART | SMART |
| Unit Weight | 0.005309 oz | 0.005309 oz | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
ATSAMR21G18A-MF | RF Microcontrollers - MCU SAMR21 48pin 256K 125C | |
| ATSAMR21G18A-MFT | RF Microcontrollers - MCU SAMR21 48pin 256K 125C T&R | ||
| ATSAMR21G18A-MFTA6 | RF Microcontrollers - MCU SAMR21 48PIN 256K 85C T&R MAC addr - SAMR21 48PIN 256K 125C T&R MAC addr | ||
| ATSAMR21G18A-MFT | Microcontrollers - MCU ARM Microcontrollers - MCU SAMR21 48pin 256K 125C T&R | ||
| ATSAMR21G18A-MF | Microcontrollers - MCU ARM Microcontrollers - MCU SAMR21 48pin 256K 125C | ||
| ATSAMR21G18A-MFTA6 | IC RF TXRX+MCU ISM>1GHZ 48VFQFN |