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Chapter 5 Counter Signal Routing and Clock Generation
Table 5-1. Default Routing for Counter Input Signals
Measurement Ctr0 Ctr1 Ctr2 Ctr3 Ctr4 Ctr5 Ctr6 Ctr7
Count
Edges
Edges PFI 39 PFI 35 PFI 31 PFI 27 PFI 23 PFI 19 PFI 15 PFI 11
Count Direction PFI 37 PFI 33 PFI 29 PFI 25 PFI 21 PFI 17 PFI 13 PFI 9
Pulse PFI 38 PFI 34 PFI 30 PFI 26 PFI 22 PFI 18 PFI 14 PFI 10
Pulse-Width
Semi-Period
Period/Frequency (Sample Clock
or Low Frequency with One
Counter)
Period/Frequency (High
Frequency with Two Counters or
Large Range with Two Counters)
PFI 39 PFI 35 PFI 31 PFI 27 PFI 23 PFI 19 PFI 15 PFI 11
Two-Edge
Separation
Start PFI 37 PFI 33 PFI 29 PFI 25 PFI 21 PFI 17 PFI 13 PFI 9
Stop PFI 38 PFI 34 PFI 30 PFI 26 PFI 22 PFI 18 PFI 14 PFI 10
Position A PFI 39 PFI 35 PFI 31 PFI 27 PFI 23 PFI 19 PFI 15 PFI 11
B PFI 37 PFI 33 PFI 29 PFI 25 PFI 21 PFI 17 PFI 13 PFI 9
Z PFI 38 PFI 34 PFI 30 PFI 26 PFI 22 PFI 18 PFI 14 PFI 10
Table 5-2. Default Routing for Counter Output Signals
Counter Counter Output
0 PFI 36
1 PFI 32
2 PFI 28
3 PFI 24
4 PFI 20
5 PFI 16
6 PFI 12
7 PFI 8
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