3.6.1.2.3 DFD – Data FIFO Data Register

Name: DFD
Offset: 0x0D8
Reset: 0x00

Bit 76543210 
 DFD[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bits 7:0 – DFD[7:0] Data FIFO Data

The DFD is not a physical register. It merely defines the I/O address for the AVR to write or read the FIFO data. A write access to this address transfers a data byte to the FIFO. A read access to this address fetches a data byte from the FIFO.