TDC1011_15 Datasheet, PDF (35/49 Pages) Texas Instruments – TDC1011 Single Channel Ultrasonic Sensing Analog Front End (AFE) for Level Sensing,Concentration Sensing Applications

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TDC1011
SNAS662 – JULY 2015
Table 12. TIMEOUT Register Field Descriptions (continued)
Bit Field
Type
Reset
Description
[2]
ECHO_TIMEOUT
R/W
0h
Echo receive timeout control (see TOF Measurement Interval)
0h: Enable echo timeout (default)
1h: Disable timeout
[1:0] TOF_TIMEOUT_CTRL⁽¹⁾
R/W
1h
Echo listening window timeout (see TOF Measurement Interval)
0h: 128 × T0
1h: 256 × T0 (default)
2h: 512 × T0
3h: 1024 × T0
8.6.1.10 CLOCK_RATE Register (address = 9h) [reset = 0h] (map)
Figure 50. CLOCK_RATE Register
(MSB) 7
6
5
4
3
RESERVED
R/W-0h
LEGEND: R/W = Read or write; R = Read only; R/W1C = Read or write 1 to clear
2
CLOCKIN_DIV
R/W-0h
Table 13. CLOCK_RATE Register Field Descriptions⁽¹⁾
Bit Field
[7:3] RESERVED
Type
R/W
Reset
0h
Description
0h: Reserved (default)
[2]
CLOCKIN_DIV ⁽¹⁾
R/W
0h
CLKIN divider to generate T0
0h: Divide by 1 (default)
1h: Divide by 2
[1:0] AUTOZERO_PERIOD⁽¹⁾
R/W
0h
Receiver auto-zero period
0h: 64 × T0 (default)
1h: 128 × T0
2h: 256 × T0
3h: 512 × T0
(1) See Timing Control and Frequency Scaling (CLKIN) for the definition of the time period T0.
1
0 (LSB)
AUTOZERO_PERIOD
R/W-0h
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