| Part Numbers | Manufacturer Name | Datasheet | Core Processor | Core Size | Speed | Connectivity | RAM Size | Number of I/O | Program Memory Size | Program Memory Type | EEPROM Size | Voltage - Supply (Vcc/Vdd) | Data Converters | Oscillator Type | Operating Temperature | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATXMEGA128B3-MCU | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART, USB | 36 | 128KB (128K x 8) | FLASH | 2K x 8 | 8K x 8 | 1.6 V ~ 3.6 V | A/D 8x12b | Internal | -40°C ~ 85°C | 64-VQFN Dual Rows Exposed Pad | |
| ATXMEGA128B3-MH | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART, USB | 36 | 128KB (128K x 8) | FLASH | 2K x 8 | 8K x 8 | 1.6 V ~ 3.6 V | A/D 8x12b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| ATXMEGA128B1-CU | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART, USB | 53 | 128KB (128K x 8) | FLASH | 2K x 8 | 8K x 8 | 1.6 V ~ 3.6 V | A/D 16x12b | Internal | -40°C ~ 85°C | 100-TFBGA | |
| ATXMEGA128B3-MHR | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART, USB | 36 | 128KB (128K x 8) | FLASH | 2K x 8 | 8K x 8 | 1.6 V ~ 3.6 V | A/D 8x12b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| ATXMEGA128B3-MCUR | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART, USB | 36 | 128KB (128K x 8) | FLASH | 2K x 8 | 8K x 8 | 1.6 V ~ 3.6 V | A/D 8x12b | Internal | -40°C ~ 85°C | 64-VQFN Dual Rows Exposed Pad | |
| ATXMEGA128B3-AUR | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART, USB | 36 | 128KB (128K x 8) | FLASH | 2K x 8 | 8K x 8 | 1.6 V ~ 3.6 V | A/D 8x12b | Internal | -40°C ~ 85°C | 64-TQFP | |
| ATXMEGA128B1-AUR | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART, USB | 53 | 128KB (128K x 8) | FLASH | 2K x 8 | 8K x 8 | 1.6 V ~ 3.6 V | A/D 16x12b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATXMEGA128B1-CUR | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART, USB | 53 | 128KB (128K x 8) | FLASH | 2K x 8 | 8K x 8 | 1.6 V ~ 3.6 V | A/D 16x12b | Internal | -40°C ~ 85°C | 100-TFBGA | |
| ATXMEGA128B1-AU | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART, USB | 53 | 128KB (128K x 8) | FLASH | 2K x 8 | 8K x 8 | 1.6 V ~ 3.6 V | A/D 16x12b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATXMEGA128B3-AU | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART, USB | 36 | 128KB (128K x 8) | FLASH | 2K x 8 | 8K x 8 | 1.6 V ~ 3.6 V | A/D 8x12b | Internal | -40°C ~ 85°C | 64-TQFP |
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