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206 www.xilinx.com PowerPC™ 405 Processor Block Reference Guide
1-800-255-7778 UG018 (v2.0) August 20, 2004
Chapter 4: PowerPC 405 APU Controller
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FCM Decoding Using Decode Busy Signal
Figure 4-12: FCM Decode Asserting DecodeBusy
UG018_04_11_032504
CPMFCMCLK
APUFCMINSTRUCTION
APUFCMINSTRVALID
FCMAPUDECODEBUSY
FCMAPU
OPTIONS
FCMAPUINSTRACK
Figure 4-13: FCM Deasserting DecodeBusy
UG018_04_12_042304
CPMFCMCLK
APUFCMINSTRUCTION
APUFCMINSTRVALID
FCMAPUDECODEBUSY
FCMAPU
OPTIONS
FCMAPUINSTRACK