A - 320
DSP96002 USER’S MANUAL
MOTOROLA
res = number of multiplier de/unnormalized results.
den = number of multiplier source operands with U-tag or V-tag set +
number of add/sub source operands with U-tag set.
i
= 0, if den=0; 1 otherwise.
das = 2 * (res + i * (1 + den)) clock cycles
res = number of de/unnormalized results.
den = number of de/unnormalized source operands (U-tag set).
i
= 0, if den=0; 1 otherwise.
dax = 2 * i * (1 + den) clock cycles
den = number of de/unnormalized source operands (U-tag set).
i
= 0, if den=0; 1 otherwise.
daff If the accompanying Data ALU operation is a Data ALU NOP (MOVE or MOVETA)
then the "+da" term will be zero. Otherwise the "+da" term will be determined by the
Data ALU operation. If the specified condition is true, the "+da" term is as specified in
Figure A-8 for the Data ALU operation. If the specified condition is false, the "+da"
term is calculated as in the figure but always setting res=0.
A.9.2
Parallel Data Move Timing Summary
+ mv
+ mv
Parallel Move Operation
Words
Cycles
Comments
No Parallel Data Move
0
0
R
Register to Register
0
0
U
Address Reg. Update
0
0
X:
X Memory Move
ea
ea + ax
Note 1
X: R
X Memory and Register
ea
ea + ax
Note 1
Y:
Y Memory Move
ea
ea + ay
Note 1
R Y:
Y Memory and Register
ea
ea + ay
Note 1
L:
Long Memory Move
ea
ea + axy
X: Y:
XY Memory Move
0
axy
Note 1: The ax(ay) term does not apply to MOVE IMMEDIATE DATA.
Figure A-9 Parallel Data Move Timing Summary
Summary of Contents for DSP96002
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