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The CYCLE variable is made up of the following signals: TRDY#,
FRAME#, IRDY#, C/BE(3:0), DEVSEL# , and STOP#. This variable has
27 symbols defined that can be used to help make triggering, timing
analysis and pattern filtering easier. The following lists the bit pattern
and the corresponding symbol.
Symbol C/BE(3:0
FRAME# IRDY# DEVSEL# TRDY# STOP#
INTACK 0000 0 1 1 1 1
SPECIAL CYCLE 0001 0 1 1 1 1
I/O READ 0010 0 1 1 1 1
I/O WRITE 0011 0 1 1 1 1
RESERVED 0100 0 1 1 1 1
RESERVED1 0101 0 1 1 1 1
MEM RD DWORD 0110 0 1 1 1 1
MEM WRITE 0111 0 1 1 1 1
MEM RD BL 1000 0 1 1 1 1
MEM WR BL 1001 0 1 1 1 1
CONF READ 1010 0 1 1 1 1
CONF WRITE 1011 0 1 1 1 1
SPLIT COMPLETION 1100 0 1 1 1 1
DAC 1101 0 1 1 1 1
MEM RD BLOCK 1110 0 1 1 1 1
MEM WR BLOCK 1111 0 1 1 1 1
IO XACTION 001X 0 1 1 1 1
DDR CYCLE XXXX 0 1 1 1 1
DATA XFER XXXX X 0 0 0 1
IDLE XXXX 1 1 X X X
RETRY XXXX X 0 0 1 0
DISC NXT ADB XXXX X 0 0 0 0
DECODE XXXX 0 1 1 1 1
SINGLE DATA DISCON XXXX 0 0 1 0 0
TARGET ABORT XXXX X 1 1 1 0
TARGET RESPONSE
WAIT
XXXX 0 0 0 1 1
WAIT XXXX 0 0 1 1 1
The CYCLE variable
