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Motorola DSP96002 User Manual

Page 779

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MOTOROLA

DSP96002 USER’S MANUAL

D-27

Figure D-14. The Adder/Subtracter

Exponent Comparator/

Barrel Shifter/

Adder

ES1

ES2

MS1

MS2

ED1

MD2

Update Unit

Normalization Unit

Subtracter

Round

ED2

MD1

Figure D-15. The Adder/Subtracter Unit

Adder

Subtracter

From Pre-normalization

32 Bits

MR

MR

Rounding

Rounding

32 Bits

32 Bits

32 Bits

32 Bits

32 Bits

To Post-normalization