Datasheet

dsPIC30F2011/2012/3012/3013
DS70139G-page 24 © 2010 Microchip Technology Inc.
FIGURE 2-2: DSP ENGINE BLOCK DIAGRAM
Zero Backfill
Sign-Extend
Barrel
Shifter
40-bit Accumulator A
40-bit Accumulator B
Round
Logic
X Data 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 Data Bus
40
Carry/Borrow Out
Carry/Borrow In
16
40
Multiplier/Scaler
17-bit