
2010 Microchip Technology Inc.
DS70141F-page 23
dsPIC30F3010/3011
FIGURE 2-2:
DSP ENGINE BLOCK DIAGRAM
Zero Backfill
Sign-Extend
Barrel
Shifter
40-Bit Accumulator A
40-Bit Accumulator B
Round
Logic
X
Dat
a
B
u
s
To/From W Array
Adder
Saturate
Negate
32
33
16
40
S
a
t
u
r
a
t
e
Y
Dat
a
Bus
40
Carry/Borrow Out
Carry/Borrow In
16
40
Multiplier/Scaler
17-Bit