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Setting CSV Parameters
Traveo™ II Family
About this document
Scope and purpose
The Clock Supervision (CSV) feature in Traveo II family enables you to check the frequency of the monitored
clock to ensure that it is within the allowed frequency window. To understand the functionality described and
terminology used in this guide, see the "Clocking System" chapter in the Architecture Technical Reference
Manual (TRM).
This guide describes how to calculate and set the CSV parameters using the CSV Calculator.
Intended audience
This document is intended for anyone using the Traveo II family to determine the CSV parameters.
Table of contents
About this document ......................................................................................................................... 1
Table of contents .............................................................................................................................. 1
1
Overview ................................................................................................................................. 2
2
Parameters related to CSV ........................................................................................................ 3
2.1
Check the clock specifications ................................................................................................................ 3
2.2
Determine the target ............................................................................................................................... 3
2.3
Calculate the lower and upper limit ....................................................................................................... 4
2.4
Calculate the period ................................................................................................................................ 4
2.5
Calculate the startup delay ..................................................................................................................... 4
2.6
Check the values for CSV register settings ............................................................................................. 5
3
CSV calculator example............................................................................................................. 6
Revision history ................................................................................................................................ 7
User Guide
www.infineon.com
Please read the Important Notice and Warnings at the end of this document
page 1 of 8
002-32474 Rev.*A
2021-04-22
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Summary of Contents for Infineon Traveo II
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Page 1: Table Of Contents
About this document Scope and purpose The Clock Supervision (CSV) feature in Traveo II family enables you to check the frequency of the monitored clock to ensure that it is within the allowed frequency window. To understand the functionality described and terminology used in this guide, see the “Clocking System”... -
Page 2: Overview
Setting CSV Parameters Traveo™ II Family Overview Overview Figure 1 shows the signal example of the CSV. Period Monitored Clock Target Reference Clock Monitor Event the allowed frequency window Lower Limit Upper Limit Lower Limit Upper Limit Figure 1 CSV operation signal example The basic operation principle of the CSV circuit is as follows: Period is the monitored clock count while ‘Target’... -
Page 3: Parameters Related To Csv
Setting CSV Parameters Traveo™ II Family Parameters related to CSV Parameters related to CSV Check the parameters related to CSV by the following steps. Check the clock specifications Check the following clock specifications: Reference clock frequency and tolerance (integer %) •... -
Page 4: Calculate The Lower And Upper Limit
Setting CSV Parameters Traveo™ II Family Parameters related to CSV Table 2 Target parameters Remarks Parameters Value Unit Minimum Target (Calculated reference clock count) 200 Cycles Target (Reference clock count for user definition) 200 Cycles ≥ Minimum Target Calculate the lower and upper limit Calculate the Lower limit with Equation 2 using the CSV Calculator. -
Page 5: Check The Values For Csv Register Settings
Maximum: 255 (Only for CSV_ILO/LF/BAK) Maximum: 65535 (Others) Startup delay value for STARTUP register 282 Cycles Maximum: 255 (Only for CSV_ILO/LF in Traveo II Body) Maximum: 511 (Only for CSV_ILO/LF/BAK in Traveo II Cluster) Maximum: 65535 (Others) User Guide 5 of 8 002-32474 Rev.*A... -
Page 6: Csv Calculator Example
Maximum: 65535 (Others) Startup delay value for STARTUP register 282 Cycles Maximum: 255 (Only for CSV_ILO/LF in Traveo II Body) Maximum: 511 (Only for CSV_ILO/LF/BAK in Traveo II Cluster) Maximum: 65535 (Others) User Guide 6 of 8 002-32474 Rev.*A 2021-04-22... -
Page 7: Revision History
Setting CSV Parameters Traveo™ II Family Revision history Revision history Revision Issue date Description of change 2021-02-10 Initial release 2021-04-22 Updated the description in 2.4 and the remarks in Table 3 and Table 5. User Guide 7 of 8 002-32474 Rev.*A 2021-04-22... - Page 8 With respect to any examples, hints or any typical values stated herein and/or any information WARNINGS 81726 Munich, Germany regarding the application of the product, Infineon Due to technical requirements products may contain Technologies hereby disclaims any and all dangerous substances. For information on the types...