Data General Service ECLIPSE MV/7800 - Page 66

TO/FROM
SYSTEM MEMORY
TO/FROM
MICROCONTROL
BUS
SYSTEM MEMORY
(24 BITS)
0 S-BUS
(32 BITS)
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MICRO
F I I N P
SE T L
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S-BUS
INTERFACE
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HPLA SEQUENCER I
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HPLA I
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EXECUTION UNIT
FLOATING-POINT 1
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DECIMAL
GENERAL PURPOSE I
CONSTANT
REGISTERS
ROM
0 - 3
A
BUS (64 BITS)
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MANTISSA ALU
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EXPONENT ALU
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SIGN ALU
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B BUS (66
BITS)
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DIVISION LOGIC
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FS-12752
Figure 3-7. Floating Point Unit, Block Diagram
043-003621 
3-16 
DGC
CONFIDENTIAL - INTERNAL USE ONLY