Microchip Technology MA330024 Data Sheet
dsPIC33FJ32GS406/606/608/610 and dsPIC33FJ64GS406/606/608/610
DS7000591F-page 40
2009-2014 Microchip Technology Inc.
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
B
u
s
To/From W Array
Adder
Saturate
Negate
32
32
33
16
16
16
16
40
40
40
40
S
a
t
u
r
a
t
e
Y D
a
ta
B
u
s
40
Carry/Borrow Out
Carry/Borrow In
16
40
Multiplier/Scaler
17-Bit