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Status Bit
TC0:2
TBST
TSIZ0:2
WT
Cl
GBL
SRESET
HR ES ET
CKSTP_IN
INT
CKSTP_OUT
Description
Analyzing the PowerPC 604
Format Menu
The Transfer Code outputs provide further information about
the currenttransfer. For a read, they indicate whether
instructions or operands are being fetched.
When asserted, TBST indicates a four-beat burst transfer of
eight words.
Indicates the size for the data transfer, in conjunction with
TBST.
Write Through indicates a write-through transaction that
should be pushed through local caches to shared memory.
Cache Inhibit indicates that the 604 will not cache a read.
Global indicates the transaction is global, i.e., should be
snooped by all other caching devices on the bus.
Input asserted causes the 604 to undergo a soft reset
Input asserted causes the 604 to undergo a hard reset
Input asserted causes the 604 to undergo machine check
processing.
Input indicates an external interrupt is pending.
Output indicates thatthe 604 has entered the machine check
state, i.e., stopped.
E2465A PowerPC 604 PGA Preprocessor
2-7
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