User`s guide

i.MX53 System Development User’s Guide, Rev. 1
iv Freescale Semiconductor
Contents
Paragraph
Number Title
Page
Number
Chapter 3
Understanding the IBIS Model
3.1 IBIS Structure and Content.............................................................................................. 3-1
3.2 Header Information.......................................................................................................... 3-2
3.3 Component and Pin Information...................................................................................... 3-2
3.4 Model Information........................................................................................................... 3-4
3.4.1 Ramp and Waveform Keywords.................................................................................. 3-5
3.5 Model Golden Waveforms............................................................................................... 3-7
3.6 Naming Conventions for Model Names and Usage in i.MX53 IBIS File....................... 3-7
3.6.1 [Model Selector] ddr.................................................................................................... 3-8
3.6.2 [Model Selector] gpio.................................................................................................. 3-8
3.6.3 [Model Selector] lvio................................................................................................... 3-9
3.6.4 [Model Selector] uhvio............................................................................................... 3-9
3.6.5 List of Pins Not Modeled in the i.MX53 IBIS File ................................................... 3-10
3.7 Quality Assurance for the IBIS Models......................................................................... 3-10
3.8 References...................................................................................................................... 3-11
Chapter 4
Using the IOMUX Design Aid
4.1 Application Requirements ............................................................................................... 4-1
4.2 IOMUX Tool Walkthrough.............................................................................................. 4-1
4.2.1 Identifying Signal Conflicts with the Signal Selection Pane....................................... 4-2
4.2.2 Adding Comments with the Signals Tab ..................................................................... 4-6
4.3 Toggling the Alternate View of the Signals Tab............................................................ 4-10
4.3.1 Finding Assigned Signal Locations with the Ball Diagram Tab ............................... 4-11
4.4 Using the Search Box to Find Specific Signals or Balls................................................ 4-12
4.5 IOMUX Features Guide................................................................................................. 4-13
4.5.1 Title Bar ..................................................................................................................... 4-13
4.5.2 Menus......................................................................................................................... 4-13
4.5.2.1 File Menu............................................................................................................... 4-14
4.5.2.2 Device Menu.......................................................................................................... 4-15
4.5.2.3 View Menu............................................................................................................. 4-15
4.5.2.4 Help Menu ............................................................................................................. 4-16
4.5.3 Search Box.................................................................................................................4-16
4.5.4 Signal Selection Pane................................................................................................. 4-16
4.5.5 Signal Assignments and Ball Map Pane.................................................................... 4-16
4.5.5.1 Signals Tab............................................................................................................. 4-16
4.5.5.2 Ball Diagram Tab................................................................................................... 4-17
4.5.6 Status Bar................................................................................................................... 4-17