ACICE0201 Microchip Technology, ACICE0201 Datasheet - Page 30
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ACICE0201
Manufacturer Part Number
ACICE0201
Description
Tools, Emulator
Manufacturer
Microchip Technology
Datasheet
1.AC002021.pdf
(152 pages)
Specifications of ACICE0201
Convert From
8-DIP
Connector Type
IC Adapter
Socket Mounting
PC Board
Module/board Type
Adapter Plug
For Use With
MPLAB-ICE 8P 300 Mil Adapter Plug
Lead Free Status / RoHS Status
na
For Use With/related Products
MPLAB™ICE
Lead Free Status / RoHS Status
na, Lead free / RoHS Compliant
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CMX-RTX™ for dsPIC30F Devices
In some cases, well-structured linear programming is
sufficient for a product. In most cases, however,
programmers appreciate not having to worry about
structuring their code to perform all necessary tasks in
a timely manner. This is where CMX-RTX can help.
CMX-RTX allows tasks (pieces of code that do specific
duties) to run quasi-concurrently. This means that tasks
will seem to run all at the same time – doing many
specific jobs simultaneously.
CMX-RTX takes the worry and headaches out of
real-time programming. The software lets embedded
programmers concentrate on the overall application as
it takes care of the little details. Finish projects faster
and more efficiently with CMX-RTX.
Some RTOS software offers only cooperative
scheduling, which means that the running task has to
call the scheduler to perform a task switch. Others offer
time slicing, where each task runs for a certain period
of time, at which point, a task switch takes place no
matter what. Others claim to be fully preemptive, but do
not allow any interrupt to cause a preemption. All of
these models will fail at one point or another.
CMX-RTX allows a task of higher priority that is able to
run (whether starting or resuming) to preempt the lower
priority running task. This will cause the scheduler to
save the context of the running (lower priority) task
and restore the context of the higher priority task so
that it is now running. A truly preemptive RTOS allows
interrupts to cause an immediate task switch. This
means that the interrupts now have the added ability of
using the RTOS’s functions.
DS30177T-page 24
Development Systems Ordering Guide
Ordering Information:
SW300031
DS51435
CMX-RTX™ for dsPIC30F Devices
“CMX-RTX ™ for dsPIC30F Product Overview” (Available at: www.microchip.com)
Features
• The smallest footprint
• The fastest context switch times
• The lowest interrupt latency times
• True preemption
• Scheduler and interrupt handler written in
• Optional cooperative and time-slicing scheduling
• Nested interrupts
• All functions contained in a library
• Interrupt callable functions
• Scalability
• Free source code provided
• Integrated with CMX-MicroNet™ for optional
CMX-RTX Specifications for
dsPIC
Flash
• All CMX Functions: 3696 bytes
• CMX Initialize Module: 936 bytes
• CMX Assembly Module (scheduler): 645 bytes
• RAM, Each Task Control Block: 28 bytes
• Min. Context Switch:
• CMX functions are contained in a library, thus
Assembly for speed and optimization
networking connectivity
reducing code size, if not referenced
- 92 cycles (starting a task)
- 137 cycles (resuming a task)
®
DSC Products
© 2005 Microchip Technology Inc.
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