Datasheet

dsPIC33FJ06GS001/101A/102A/202A and dsPIC33FJ09GS302
DS75018C-page 32  2011-2012 Microchip Technology Inc.
FIGURE 3-3: DSP ENGINE BLOCK DIAGRAM
Zero Backfill
Sign-Extend
Barrel
Shifter
40-Bit Accumulator A
40-Bit Accumulator B
Round
Logic
X Data Bus
To/ F ro m W Arr ay
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