TDC7200_15 Datasheet, PDF (27/50 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
8.6.4 INT_STATUS: Interrupt Status Register (address = 02h) [reset = 00h]
Figure 24. Interrupt Status Register
7
Reserve
d
6
Reserve
d
5
Reserve
d
4
3
MEAS_COMPLET MEAS_STARTED_FL
E_FLAG
AG
R/W-0h R/W-0h R/W-0h
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
2
CLOCK_CNT
R_
OVF_INT
R/W-0h
1
COARSE_CNTR_
OVF_INT
R/W-0h
0
NEW_MEAS_
INT
R/W-0h
Table 4. Interrupt Status Register Field Descriptions
Bit Field
7
Reserved
6
Reserved
5
Reserved
4
MEAS_COMPLETE_FLAG
3
MEAS_STARTED_FLAG
2
CLOCK_CNTR_OVF_INT
1
COARSE_CNTR_OVF_INT
0
NEW_MEAS_INT
Type
R/W
R/W
R/W
R/W
Reset
0h
0h
0h
0h
R/W
0h
R/W
0h
R/W
0h
R/W
0h
Description
Writing a 1 will clear the status
0: Measurement has not completed
1: Measurement has completed (same information as
NEW_MEAS_INT)
Writing a 1 will clear the status
0: Measurement has not started
1: Measurement has started (START signal received)
Requires writing a 1 to clear interrupt status
0: No overflow detected
1: Clock overflow detected, running measurement will be
stopped immediately
Requires writing a 1 to clear interrupt status
0: No overflow detected
1: Coarse overflow detected, running measurement will be
stopped immediately
Requires writing a 1 to clear interrupt status
0: Interrupt not detected
1: Interrupt detected – New Measurement has been completed
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