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PowerPC™ 405 Processor Block Reference Guide www.xilinx.com 205
UG018 (v2.0) August 20, 2004 1-800-255-7778
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FCM Exception
Note: FCMAPUEXEPTION may be sent at any time during the execution of a non-autonomous
instruction.
Figure 4-10: APU Controller Decoded Store Instruction with StoreWBOK=1
UG018_04_09_032504
CPMFCMCLK
APUFCMINSTRUCTION
APUFCMINSTRVALID
APUFCMDECODED
FCMAPURESULT
FCMAPUDONE
APUFCMWRITEBACKOK
FCMAPUSLEEPNOTREADY
Figure 4-11: FCM Exception
UG018_04_10_032504
CPMFCMCLK
APUFCMINSTRUCTION
APUFCMINSTRVALID
APUFCMRADATA/
APUFCMRBDATA
APUFCMOPERANDVALID
FCMAPUEXCEPTION
APUFCMFLUSH