MPC8533EVTANG Freescale Semiconductor, MPC8533EVTANG Datasheet - Page 240

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MPC8533EVTANG

Manufacturer Part Number
MPC8533EVTANG
Description
MPU POWERQUICC 783-PBGA
Manufacturer
Freescale Semiconductor
Datasheets

Specifications of MPC8533EVTANG

Processor Type
MPC85xx PowerQUICC III 32-Bit
Speed
800MHz
Voltage
1V
Mounting Type
Surface Mount
Package / Case
783-FCPBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-

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Core Register Summary
6.9.3
6-24
Reset
32–53
58–62
SPR 1013
Bits
54
55
56
57
63
W
R
32
BBLFC Branch buffer lock bits flash clear. Clearing and then setting BBLFC flash clears the lock bit of all entries in
Name
BBLO Branch buffer lock overflow status
BPEN Branch prediction enable
BBUL Branch buffer unable to lock
BBFI
Branch Unit Control and Status Register (BUCSR)
MPC8533E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Reserved, should be cleared.
Branch buffer flash invalidate. Clearing and then setting BBFI flash clears the valid bit of all entries in the
branch buffer; clearing occurs independently from the value of the enable bit (BPEN). BBFI is always read as
0.
0 Indicates a lock overflow condition was not encountered in the branch buffer
1 Indicates a lock overflow condition was encountered in the branch buffer
This sticky bit is set by hardware and is cleared by writing 0 to this bit location.
0 Indicates a lock overflow condition in the branch buffer
1 Indicates a lock set instruction failed in the branch buffer, for example, if the BTB is disabled.
This sticky bit is set by hardware and is cleared by writing 0 to this bit location.
the branch buffer; clearing occurs independently from the value of the enable bit (BPEN). BBLFC is always
read as 0.
Reserved, should be cleared.
0 Branch prediction disabled
1 Branch prediction enabled (enables BTB to predict branches)
Figure 6-31. Branch Unit Control and Status Register (BUCSR)
Table 6-17. BUCSR Field Descriptions
All zeros
Description
53
BBFI BBLO BBUL BBLFC
54
55
56
Access: Supervisor read/write
57
Freescale Semiconductor
58
62
BPEN
63

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