Microchip Technology MA330020 데이터 시트
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2008-2014 Microchip Technology Inc.
DS70000318G-page 39
dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04
FIGURE 3-3:
DSP ENGINE BLOCK DIAGRAM
Zero Backfill
Sign-Extend
Barrel
Shifter
40-Bit Accumulator A
40-Bit Accumulator B
40-Bit Accumulator B
Round
Logic
X D
a
ta
Bu
s
To/From W Array
Adder
Negate
32
32
33
16
16
16
16
40
40
40
40
S
a
t
u
r
a
t
e
Y D
a
ta
Bu
s
40
Carry/Borrow Out
Carry/Borrow In
16
40
Saturate
Multiplier/Scaler
17-Bit