ATxmega128D4-AU ATMEL [ATMEL Corporation], ATxmega128D4-AU Datasheet - Page 41

• Manufacturer Part Number: ATxmega128D4-AU
• Description: 8/16-bit Atmel XMEGA D4 Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

XMEGA D4
It is possible to disable the TWI drivers in the device, and enable a four-wire digital interface for
connecting to an external TWI bus driver. This can be used for applications where the device
operates from a different V
voltage than used by the TWI bus.
CC
PORTC and PORTE each has one TWI. Notation of these peripherals are TWIC and TWIE.
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