SPNA135A Datasheet, PDF (1/15 Pages) Texas Instruments – Compatibility Considerations: TMS570LS20x/10x to TMS570LS31x/21x

Application Report
SPNA135A – October 2011
Compatibility Considerations: TMS570LS20x/10x to
TMS570LS31x/21x
Sunil Oak .......................................................................................................................................
ABSTRACT
This application report provides a summary of the main changes required for porting an application written
on the Hercules™ TMS570LS20x/10x series of microcontrollers over to the Hercules TMS570LS31x/21x
series of microcontrollers. A brief description of the process technology differences is also included.
Contents
1 Introduction .................................................................................................................. 2
2 Device-Level Feature Differences ........................................................................................ 3
3 Module-Level Feature Differences ........................................................................................ 4
4 Package Differences ........................................................................................................ 7
5 Analog IP Differences ..................................................................................................... 10
6 Other New Features on TMS570LS31x/21x ........................................................................... 14
7 References ................................................................................................................. 14
List of Figures
1 PLLs on TMS570LS31x/21x ............................................................................................. 10
2 PLLs on TMS570LS20x/10x ............................................................................................. 11
List of Tables
1 High-Level Differences: TMS570LS20216 v/s TMS570LS3137 ...................................................... 3
2 LS31x/21x and LS20x/10x Ball-Map Differences ....................................................................... 7
3 Glitch Filter Differences................................................................................................... 13
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SPNA135A – October 2011
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Compatibility Considerations: TMS570LS20x/10x to TMS570LS31x/21x
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