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TX-Frequency
Division
2
4
8
16
32
64
128
256
On Board
Oscilator
8,000,000
4,000,000
2,000,000
1,000,000
500,000
250,000
125,000
62,500
31,250
1,000,000
500,000
250,000
125,000
62,500
31,250
15,625
7,813
3,906
1,043,500
521,750
260,875
130,438
65,219
32,609
16,305
8,152
4,076
1,090,900
545,450
272,725
136,363
68,181
34,091
17,045
8,523
4,261
1,142,900
571,450
285,725
142,863
71,431
35,716
17,858
8,929
4,464
1,200,000
600,000
300,000
150,000
75,000
37,500
18,750
9,375
4,688
1,263,200
631,600
315,800
157,900
78,950
39,475
19,738
9,869
4,934
1,333,300
666,650
333,325
166,663
83,331
41,666
20,833
10,416
5,208
1,411,800
705,900
352,950
176,475
88,238
44,119
22,059
11,030
5,515
1,500,000
750,000
375,000
187,500
93,750
46,875
23,438
11,719
5,859
1,600,000
800,000
400,000
200,000
100,000
50,000
25,000
12,500
6,250
1,714,300
857,150
428,575
214,288
107,144
53,572
26,786
13,393
6,696
1,846,200
923,100
461,550
230,775
115,388
57,694
28,847
14,423
7,212
2,000,000
1,000,000
500,000
250,000
125,000
62,500
31,250
15,625
7,813
C
P
U
C
lo
ck
(
H
z)
Possible Excitation Pulses
10
Possible Excitation Pulses
Figure 11. Excitation Pulses Chart
17
SNIU026A – March 2015 – Revised December 2015
TDC1000-GASEVM and TDC1000-BSTEVM Kit User’s Guide
Copyright © 2015, Texas Instruments Incorporated