D950-CORE View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'D950-CORE' PDF : 89 Pages View PDF
Multiplier Operations
DMULT
Double precision multiplication
MULT
Multiplication
SQR
Square
Figure 5.8 Double precision multiplication
D950-Core
*AXm + IXs = Lp
ApH
*AYn + IYr = Rq
ApH
Ai + = P
-=P
P = Lj MULT Rk
Rj
AjH
,
AkH
(RND)
PH
A+=P
-=P
P = Lj DMULT Rk
,
Rj
AjH +C31
AkH
PH
Ai + = P
-=P
,
P = Lj MULT Rk
(RND)
,
Lp = *AXm + IXs
,
Rq = *Ayn + IYr
A+=P
- =P
,
P = Lj DMULT Rk
+C31
Lp = *AXm + IXs
ApH
Ai + = P
,
-=P
P = Lj MULT Rk
(RND)
,
Rq = *AYn + IYr
ApH
A+=P
-=P
,
P = Lj DMULT Rk
+C31
VR02018G
Figure 5.9 Multiplication
A1 = P + R1
P = R1 MULT R1
P
,
L1 MULT R1
(RND)
,
-P
A1H MULT R1
- P + R1
L1 MULT A1H
L0 = *AX1 + IX3
L1
,
R0 = *AY1 + IY3
R1
A1 = P + R1
P = R1 MULT R1
*AY1 + IY3 = A1H
,
P
-P
,
L1 MULT R1 (RND) ,
A1H MULT R1
- P + R1
L1 MULT A1H
L0 = *AX1 + IX3
L1
A1 = P + R1
P = R1 MULT R1
*AX1 + IX3 = A1H ,
P
-P
,
L1 MULT R1 (RND) ,
A1H MULT R1
- P + R1
L1 MULT A1H
R0 = *AY1 + IY3
R1
VR02018H
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