Example 5:Byte Read Request
Problem: Device 2 (UnitID2) in Figure 7-7 on page 167 targets main memory with a sized (byte) read of two bytes. Start dword address is 0010060204h; bytes of interest are at 0010060206h and 0010060207h.
Figure 7-7. DMA Byte Read Targeting Main Memory
Example 5: RdSized (Byte) Request Packet Setup
(Refer to [1] in Figure 7-7 on page 167)
Command[5:0] Field (Byte 0, Bit 5:0)
This is the sized read (RdSized) command code. The option bits within this field are to be set up for byte transfer size, standard virtual channels, no coherency, and for relaxed ordering of response with respect to posted requests. So, response may ...
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