Microchip Technology MA330016 Datenbogen
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DS70290J-page 25
dsPIC33FJ32GP202/204 and dsPIC33FJ16GP304
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 Dat
a
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 Bus
40
Carry/Borrow Out
Carry/Borrow In
16
40
Multiplier/Scaler
17-bit