| Mounting | SMD |
| Architecture | Cortex M0+ |
| Manufacturer | MICROCHIP TECHNOLOGY |
| Clock frequency | 48MHz |
| Communictions protocol | IEEE 802.15.4, ZigBee |
| Transmitter output power | 4dBm |
| Ciphering | AES128 |
| Type of integrated circuit | ARM microcontroller |
| Comparators | 2 |
| Number of 16bit timers | 4 |
| Input capture channels | 6 |
| 24bit timers | 2 |
| Ext. inter. | 15 |
| Features | Brown Out Reset (BOR); PoR; 32kHz resonator for RTC; RTC; SleepWalking; watchdog; ADC gain stage |
| Receiver sensitivity | -99dBm |
| Usup | 1.8...3.6V DC |
| Kind of core | 32-bit |
| Symbol | Interface | Case | Package | PWM channels | A/D 12bit | Operating temperature | Memory |
|---|---|---|---|---|---|---|---|
| [°C] | [kB] | ||||||
| ATSAMR21E16A-MF | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | in-tray | 18 | 4 | -40...125 | 8 SRAM 64 FLASH |
| ATSAMR21E16A-MFT | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | reel, tape | 18 | 4 | -40...125 | 8 SRAM 64 FLASH |
| ATSAMR21E16A-MU | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | in-tray | 18 | 4 | -40...85 | 8 SRAM 64 FLASH |
| ATSAMR21E16A-MUT | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | reel, tape | 18 | 4 | -40...85 | 8 SRAM 64 FLASH |
| ATSAMR21G16A-MF | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | in-tray | 16 | 8 | -40...125 | 8 SRAM 64 FLASH |
| ATSAMR21G16A-MFT | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | reel, tape | 16 | 8 | -40...125 | 8 SRAM 64 FLASH |
| ATSAMR21G16A-MU | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | in-tray | 16 | 8 | -40...85 | 8 SRAM 64 FLASH |
| ATSAMR21G16A-MUT | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | reel, tape | 16 | 8 | -40...85 | 8 SRAM 64 FLASH |
| ATSAMR21E17A-MF | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | in-tray | 18 | 4 | -40...125 | 16 SRAM 128 FLASH |
| ATSAMR21E17A-MFT | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | reel, tape | 18 | 4 | -40...125 | 16 SRAM 128 FLASH |
| ATSAMR21E17A-MU | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | in-tray | 18 | 4 | -40...85 | 16 SRAM 128 FLASH |
| ATSAMR21E17A-MUT | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | reel, tape | 18 | 4 | -40...85 | 16 SRAM 128 FLASH |
| ATSAMR21G17A-MF | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | in-tray | 16 | 8 | -40...125 | 16 SRAM 128 FLASH |
| ATSAMR21G17A-MFT | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | reel, tape | 16 | 8 | -40...125 | 16 SRAM 128 FLASH |
| ATSAMR21G17A-MU | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | in-tray | 16 | 8 | -40...85 | 16 SRAM 128 FLASH |
| ATSAMR21G17A-MUT | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | reel, tape | 16 | 8 | -40...85 | 16 SRAM 128 FLASH |
| ATSAMR21E18A-MF | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | in-tray | 12 | 4 | -40...125 | 32 SRAM 256 FLASH |
| ATSAMR21E18A-MFT | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | reel, tape | 12 | 4 | -40...125 | 32 SRAM 256 FLASH |
| ATSAMR21E18A-MU | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | in-tray | 12 | 4 | -40...85 | 32 SRAM 256 FLASH |
| ATSAMR21E18A-MUT | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | reel, tape | 12 | 4 | -40...85 | 32 SRAM 256 FLASH |
| ATSAMR21G18A-MF | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | in-tray | 12 | 8 | -40...125 | 32 SRAM 256 FLASH |
| ATSAMR21G18A-MFT | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | reel, tape | 12 | 8 | -40...125 | 32 SRAM 256 FLASH |
| ATSAMR21G18A-MU | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | in-tray | 12 | 8 | -40...85 | 32 SRAM 256 FLASH |
| ATSAMR21G18A-MUT | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | reel, tape | 12 | 8 | -40...85 | 32 SRAM 256 FLASH |
| ATSAMR21G18A-MUTA6 | I2C x5; LIN x5; SPI x5; UART x5 | QFN48 | reel, tape | 12 | 8 | -40...85 | 32 SRAM 256 FLASH |
| ATSAMR21E19A-MFT | I2C x4; LIN x4; SPI x4; UART x4 | QFN32 | reel, tape | 12 | 4 | -40...125 | 32 SRAM 768 FLASH |