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DSPIC33FJ06GS201TE/MM Datasheet(PDF) 32 Page - Microchip Technology

Part # DSPIC33FJ06GS201TE/MM
Description  High-Performance, 16-bit Digital Signal Controllers
PDF  346 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

DSPIC33FJ06GS201TE/MM Datasheet(HTML) 32 Page - Microchip Technology

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dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04
DS70318D-page 30
Preliminary
© 2009 Microchip Technology Inc.
3.3
Special MCU Features
The dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/
X04 features a 17-bit by 17-bit single-cycle multiplier that
is shared by both the MCU ALU and DSP engine. The
multiplier can perform signed, unsigned and mixed sign
multiplication. Using a 17-bit by 17-bit multiplier for 16-bit
by 16-bit multiplication not only allows you to perform
mixed sign multiplication, it also achieves accurate
results for special operations, such as (-1.0) x (-1.0).
The dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/
X04 supports 16/16 and 32/16 divide operations, both
fractional and integer. All divide instructions are iterative
operations. They must be executed within a REPEAT
loop, resulting in a total execution time of 19 instruction
cycles. The divide operation can be interrupted during
any of those 19 cycles without loss of data.
A 40-bit barrel shifter is used to perform up to a 16-bit
left or right shift in a single cycle. The barrel shifter can
be used by both MCU and DSP instructions.
FIGURE 3-1:
dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04 CPU CORE
BLOCK DIAGRAM
Instruction
Decode &
Control
PCH
PCL
Program Counter
16-Bit ALU
24
23
Instruction Reg
PCU
16 x 16
W Register Array
ROM Latch
EA MUX
Interrupt
Controller
Stack
Control
Logic
Loop
Control
Logic
Data Latch
Address
Latch
Control Signals
to Various Blocks
16
16
16
To Peripheral Modules
Data Latch
Address
Latch
16
X RAM
Y RAM
Address Generator Units
16
Y Data Bus
X Data Bus
DSP Engine
Divide Support
16
16
23
23
16
8
PSV & Table
Data Access
Control Block
16
16
16
16
Program Memory
Data Latch
Address Latch



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