dspic33fj16gs404t-i-pt Microchip Technology Inc., dspic33fj16gs404t-i-pt Datasheet - Page 38

• Manufacturer Part Number: dspic33fj16gs404t-i-pt
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04
TABLE 3-1:
FIGURE 3-3:
DS70318D-page 36
CLR
ED
EDAC
MAC
MAC
MOVSAC
MPY
MPY
MPY.N
MSC
Instruction
DSP INSTRUCTIONS SUMMARY
40
DSP ENGINE BLOCK DIAGRAM
Carry/Borrow Out
Carry/Borrow In
A = 0
A = (x – y)2
A = A + (x – y)2
A = A + (x * y)
A = A + x2
No change in A
A = x * y
A = x 2
A = – x * y
A = A – x * y
40-bit Accumulator A
40-bit Accumulator B
To/From W Array
Multiplier/Scaler
16
Sign-Extend
40
Saturate
Algebraic Operation
33
Adder
17-Bit
Preliminary
Negate
40
16
40
32
Shifter
Barrel
32
40
16
Zero Backfill
40
Round
Logic
© 2009 Microchip Technology Inc.
ACC Write Back
S
a
u
a
e
t
r
t
16
Yes
Yes
Yes
Yes
No
No
No
No
No
No
16