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Motorola DSP96002 User Manual

Page 506

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A - 318

DSP96002 USER’S MANUAL

MOTOROLA

(IEEE Mode)

+ da Cycles

worst case

Comments

FABS.S

das

6

Worst case: res=1, den=1

FABS.X

dax

4

Worst case: den=1

FADD.S

das

8

Worst case: res=1, den=2

FADD.X

dax

6

Worst case: den=2

FADDSUB.S

das

10

Worst case: res=2, den=2

FADDSUB.X

dax

6

Worst case: den=2

FCLR

0

0

FCMP

dax

6

Worst case: den=2

FCMPG

dax

6

Worst case: den=2

FCMPM

dax

6

Worst case: den=2

FCOPYS.S

das

8

Worst case: res=1, den=2

FCOPYS.X

dax

6

Worst case: den=2

FFcc

daff

n/a

FFcc.U

daff

n/a

FGETMAN

dax

4

Worst case: den=1

FINT

dax

4

Worst case: den=1

FLOAT.S

0

0

FLOAT.X

0

0

FLOATU.S

0

0

FLOATU.X

0

0

FLOOR

dax

4

Worst case: den=1

FMPY//FADD.S

dams

14

Worst case: res=2, den=4

FMPY//FADD.X

damx

12

Worst case: res=1, den=4

FMPY//FADDSUB.S

dams

16

Worst case: res=3, den=4

FMPY//FADDSUB.X

damx

12

Worst case: res=1, den=4

FMPY//FSUB.S

dams

14

Worst case: res=2, den=4

FMPY//FSUB.X

damx

12

Worst case: res=1, den=4

FMPY.S

dam

8

Worst case: res=1, den=2

FMPY.X

dam

8

Worst case: res=1, den=2

FNEG.S

das

6

Worst case: res=1, den=1

Figure A-8 Data ALU Operation Timing Summary