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PowerPC™ 405 Processor Block Reference Guide www.xilinx.com 201
UG018 (v2.0) August 20, 2004 1-800-255-7778
R
Blocking Transactions
Note: Actual timing results may vary from those shown in Figure 4-5. For example, the operands
could come later than shown.
Figure 4-5: FCM Decoded Blocking Transaction Example
UG018_04_04_032504
CPMFCMCLK
APUFCMINSTRUCTION
APUFCMINSTRVALID
FCMAPUINSTRACK
FCMAPU
OPTIONS
APUFCMRADATA/
APUFCMRBDATA
APUFCMOPERANDVALID
FCMAPURESULT
FCMAPUDONE/
FCMAPURESULTVALID
APUFCMWRITEBACKOK
FCMAPUSLEEPNOTREADY