Microchip Technology AC164337 Data Sheet
dsPIC30F1010/202X
DS70000178D-page 24
2006-2014 Microchip Technology Inc.
FIGURE 2-2:
DSP ENGINE BLOCK DIAGRAM
Zero Backfill
Sign-Extend
Barrel
Shifter
Shifter
40-bit Accumulator A
40-bit Accumulator B
40-bit Accumulator B
Round
Logic
X Da
ta
Bus
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 Dat
a
Bu
s
40
Carry/Borrow Out
Carry/Borrow In
16
40
Multiplier/Scaler
17-bit