Altera HardCopy II Clock Uncertainty Calculator Manuel d'utilisateur Page 24
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
2–10 Altera Corporation
HardCopy II Clock Uncertainty Calculator User Guide
Running the Clock Uncertainty Calculator Flow
Figure 2–10 shows a detailed view of the advanced clock uncertianty
calculator spreadsheet. It is important that the first PLL be an integer
number even if there is no PLL involved in the clock transfer. After
having the clock transfer between the different PLLs, enter the PLL index
with respect to the PLL in the spreadsheet, as shown on Figure 2–10.
Figure 2–10. Detailed View of the Advanced Clock Uncertianty Calculator
f For more examples of how to enter the source clock and destination
clock components, refer to Appendix A, Clock Transfer Examples.
After you complete all entries for the source and destination clock
components, click the Step 2. Calculate Clock Uncertainty Values
button. All setup and hold clock uncertainty values for the different clock
transfers are displayed in picoseconds.
You now have the all the clock uncertainty values in the
CU_Values_Advanced.txt file. If you have a previously existing clock
uncertainty value file generated by the advanced clock uncertianty
calculator, the file will be renamed to be CU_Values_Advanced.txt.old.
Figure 2–11. HardCopy II Advanced Clock Uncertainty Calculator with Calculation
1st PLL 2nd PLL 1st PLL 2nd PLL Setup (ps) Hold (ps) Setup (ps) Hold (ps) Setup (ps) Hold (ps)
1 00 200 50 350 350 180 180
2
44
100 50
N/A N/A N/A N/A
3
04 N/A N/A
320 290 150 120
4
11 0 N/A N/A
270 330 100 150
5 10 11 N/A N/A 300 200 N/A N/A
Enter User's Notes
(Optional)
Step 3. Read Clock Uncertainty Values
MessagesTransfer
Source Clock Destination Clock Intra-clock Inter-Clock IO Transfer
Step 1. Enter PLL Information
Step 2. Calculate Clock
Uncertainty Values
Step 2. Calculate Clock
Uncertainty Values
Reset Table
Res e t Table
- User Guide 1
- UG-01015-1.0 2
- Contents 3
- About this User Guide 5
- Typographic 6
- Conventions 6
- Chapter 1. About HardCopy II 7
- General 8
- Description 8
- PLL Extraction 9
- Clock Transfer Report 10
- Intra-Clock Transfer 11
- Inter-Clock Transfer 11
- I/O Transfer 12
- Instructions 12
- Clock Uncertainty Calculator 13
- 1–8 Altera Corporation 14
- General Description 14
- Chapter 2. Launching the 15
- HardCopy II Clock 15
- Uncertainty Calculator 15
- System and 16
- Software 16
- Requirements 16
- Running the 17
- Uncertainty 17
- Calculator Flow 17
- 2–4 Altera Corporation 18
- Altera Corporation 2–5 19
- 2–6 Altera Corporation 20
- Altera Corporation 2–7 21
- 2–8 Altera Corporation 22
- Altera Corporation 2–9 23
- 2–10 Altera Corporation 24
- Altera Corporation 2–11 25
- 2–12 Altera Corporation 26
- Chapter 3. Design Case 27
- Exceptions 27
- Various Clock 28
- Structures 28
- Clock Divider 29
- Ripple Clock 29
- Multiple Clock Networks 30
- Multi-Cycle Clock 30
- Altera Corporation 3–5 31
- Design Case Exceptions 31
- Clock Transfer Type 32
- Setup CU (ps) Hold CU (ps) 32
- Intra-Clock 32
- Inter-Clock 32
- I/O Interface 32
- Appendix A. Clock Transfer 33
- Examples 33
- A–2 Altera Corporation 34
- Intra-Clock Domain with PLL 34
- 11 — 11 — 34
- Domain without 35
- Domain with 36
- Altera Corporation A–5 37
- A–6 Altera Corporation 38
- Inter-Clock Domain with PLL 38
- Altera Corporation A–7 39
- A–8 Altera Corporation 40
- 12 — 0 — 40
- Altera Corporation A–9 41
- Altera Corporation A–13 45
- Cascaded PLLs 46
- Altera Corporation A–15 47
- Altera Corporation A–17 49
- A–18 Altera Corporation 50
- Altera Corporation A–19 51
- A–20 Altera Corporation 52
- Altera Corporation A–21 53
- A–22 Altera Corporation 54
- 12 3 12 7 54
- Altera Corporation A–23 55
- A–24 Altera Corporation 56
- 0 — 10 11 56
- Altera Corporation A–25 57
- 12 2 0 — 57
- A–26 Altera Corporation 58
- 10 — 4 8 58
- Altera Corporation A–27 59
- A–28 Altera Corporation 60
- A–30 Altera Corporation 62
- 10 2 0 — 62
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