Xilinx PCI32 warranty Timing Specifications, CBE Command, Initiator Target, PCI Bus Commands

PCI32 Interface v3.0

Timing Specifications

The maximum speed at which your user design is capable of running can be affected by the size and quality of the design. The following tables show the key timing parameters for the PCI Interface.

Table 4 lists the Timing Parameters in the 66 MHz Implementations and Table 5 lists Timing Parameters in the 33 MHz Implementations.

Table 3: PCI Bus Commands

CBE [3:0]	Command	PCI	PCI
		Initiator	Target
0000	Interrupt Acknowledge	Yes	Yes
0001	Special Cycle	Yes	Ignore
0010	I/O Read	Yes	Yes
0011	I/O Write	Yes	Yes
0100	Reserved	Ignore	Ignore
0101	Reserved	Ignore	Ignore
0110	Memory Read	Yes	Yes
0111	Memory Write	Yes	Yes
1000	Reserved	Ignore	Ignore
1001	Reserved	Ignore	Ignore
1010	Configuration Read	Yes	Yes
1011	Configuration Write	Yes	Yes
1100	Memory Read Multiple	Yes	Yes
1101	Dual Address Cycle	No	Ignore
1110	Memory Read Line	Yes	Yes
1111	Memory Write Invalidate	No	Yes

8	www.xilinx.com	DS206 August 31, 2005
		Product Specification v3.0.151