TDC7200_15 Datasheet, PDF (31/50 Pages) Texas Instruments – TDC7200 Time-to-Digital Converter for Time-of-Flight Applications in LIDAR,Magnetostrictive and Flow Meters

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TDC7200
SNAS647C – FEBRUARY 2015 – REVISED AUGUST 2015
8.6.13 CLOCK_COUNT1: Clock Count Register (address: 11h) [reset = 00_0000h]
Figure 33. CLOCK Count Register
23
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Parity Bit
CLOCK_COUNT1 Result
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 13. CLOCK_COUNT1 Register Field Descriptions
Bit
23
22-16
Field
Parity Bit
Not Used
15-0
CLOCK_COUNT1 Measurement
Result
Type
R
R
R
Reset
0
0
0
Description
Parity Bit
These bits will be used in Multi-Cycle Averaging Mode in order
to allow higher averaging results.
CLOCK_COUNT1 Measurement Result
8.6.14 TIME2: Time 2 Register (address: 12h) [reset = 00_0000h]
Figure 34. TIME2 Register
23
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Parity Bit
Measurement Result: 23 bit integer value (Bit 22: MSB, Bit 0: LSB)
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Bit
23
22-0
Field
Parity Bit
Measurement Result
Table 14. TIME2 Register Field Descriptions
Type
R
R
Reset
0
0
Description
Parity Bit
Measurement Result
8.6.15 CLOCK_COUNT2: Clock Count Register (address: 13h) [reset = 00_0000h]
Figure 35. CLOCK_COUNT2 Register
23
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Parity Bit
CLOCK_COUNT2
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Bit
23
22-16
15-0
Table 15. CLOCK_COUNT2 Register Field Descriptions
Field
Parity bit
Not Used
CLOCK_COUNT2 result
Type
R
R
R
Reset
0
0
0
Description
Parity Bit
These bits will be used in Multi-Cycle Averaging Mode in order
to allow higher averaging results.
CLOCK_COUNT2 result
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