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10.1
Overview
The division unit (DIVU) divides 64 bits by 32 bits and 32 bits by 32 bits. The results are
expressed as a 32-bit quotient and a 32-bit remainder. When the operation produces an overflow,
an interrupt can be generated as specified.
10.1.1
Features
The division unit has the following features:
•
Performs signed division of 64 bits by 32 bits and 32 bits by 32 bits
•
Handles 32-bit quotient, 32-bit remainder
•
Completes operation execution in 39 cycles
•
Controls enables/disables of over/underflow interrupts
•
Even during the division process, instructions not accessing the division unit can be parallel
processed
10.1.2
Block Diagram
Figure 10.1 shows a block diagram of the division unit.
Section 10 Division Unit
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