Different PLL Testing - 3.6 English

7 Series FPGAs Transceivers Wizard (PG168)
Document ID
PG168
Release Date
2022-05-19
Version
3.6 English

This tests the different possible VCO ranges of the CPLL and QPLL w.r.t. divider setting as shown in Table: TX/RX Line Rate w.r.t. Different PLL Ranges.

Table C-2:      TX/RX Line Rate w.r.t. Different PLL Ranges

PLL Type

Output Divider

Line Rate Range (Gb/s)

CPLL line rate

1

3.2–6.6

2

1.6–3.3

4

0.8–1.85

8

0.5–0.825

16

NA

QPLL range1 line rate

1

5.93–8

5

2.965–4

4

1.4825–2

8

0.74125–1

16

NA

QPLL range2 line rate

1

9.8–12.5

2

4.6–6.25

4

2.45–3.125

8

1.225–1.5625

16

0.6125–0.78125