Datasheet

AMC7812
SBAS513E –JANUARY 2011–REVISED SEPTEMBER 2013 www.ti.com
Table 22. Status Register
BIT NAME DEFAULT R/W DESCRIPTION
15 — 0 R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
CH0-ALR = '1' when single-ended channel 0 or differential input pair (CH0+/CH1–) is out of
14 CH0-ALR 0 R the range defined by the corresponding threshold registers.
CH0-ALR = '0' when the analog input is not out of the specified range.
CH1-ALR = '1' when single-ended channel 1 is out of the range defined by the
13 CH1-ALR 0 R corresponding threshold registers.
CH1-ALR = '0' when the analog input is not out of the specified range.
CH2-ALR = '1' when single-ended channel 2 or differential input pair (CH2+/CH3–) is out of
12 CH2-ALR 0 R the range defined by the corresponding threshold registers.
CH2-ALR = '0' when the analog input is not out of the specified range.
CH3-ALR = '1' when single-ended channel 3 is out of the range defined by the
11 CH3-ALR 0 R corresponding threshold registers.
CH3-ALR = '0' when the analog input is not out of the specified range.
Local temperature under-range flag.
LT-Low-ALR = '1' when the local temperature is less than the low-bound threshold.
10 LT-Low-ALR 0 R
LT-Low-ALR = '0' when the local temperature is not less than the range.
This bit is only checked when LT is enabled (EN-LT = '1'); it is ignored when EN-LT = '0'.
Local temperature over-range flag.
LT-High-ALR = '1' when the local temperature is greater than the high-bound threshold.
9 LT-High-ALR 0 R
LT-High-ALR = '0' when the local temperature is not greater than the range.
This bit is only checked when LT is enabled (EN-LT = '1'); it is ignored when EN-LT = '0'.
Remote temperature reading of D1when less than the range flag.
D1-Low-ALR = '1' when the local temperature is less than the low-bound threshold.
8 D1-Low-ALR 0 R
D1-Low-ALR = '0' when the local temperature is not less than the range.
This bit is only checked when D1 is enabled (EN-D1 = '1'); it is ignored when EN-D1 = '0'.
Remote temperature reading of D1 when greater than the range flag.
D1-High-ALR = '1' when the local temperature is greater than the high-bound threshold.
7 D1-High -ALR 0 R
D1-High-ALR = '0' when the local temperature is not greater than the range.
This bit is only checked when D1 is enabled (EN-D1 = '1'); it is ignored when EN-D1 = '0'.
Remote temperature reading of D2 when less than the range flag.
D2-Low-ALR = '1' when the local temperature is less than the low-bound threshold.
6 D2-Low-ALR 0 R
D2-Low-ALR = '0' when the local temperature is not less than the range.
This bit is only checked when D2 is enabled (EN-D2 = '1'); it is ignored when EN-D2 = '0'.
Remote temperature reading of D2 when greater than the range flag.
D2-High-ALR = '1' when the local temperature is greater than the high-bound threshold.
5 D2-High -ALR 0 R
D2-High-ALR = '0' when the local temperature is not greater than the range.
This bit is only checked when D2 is enabled (EN-D2 = '1'); it is ignored when EN-D2 = '0'.
Remote sensor D1 failure flag.
D1-FAIL-ALR = '1' when the sensor is an open-circuit or short-circuit.
4 D1-FAIL-ALR 0 R
D1-FAIL-ALR = '0' when the sensor is in a normal condition.
This bit is only checked when D1 is enabled (EN-D1 = '1'); it is ignored when EN-D1 = '0'.
Remote sensor D2 failure flag.
D2-FAIL-ALR = '1' when the sensor is an open-circuit or short-circuit.
3 D2-FAIL-ALR 0 R
D2-FAIL-ALR = '0' when the sensor is in a normal condition.
This bit is only checked when D2 is enabled (EN-D2 = '1'); it is ignored when EN-D2 = '0'.
Thermal alarm flag. When the die temperature is equal to or greater than +150°C, the bit is
set ('1') and the THERM-ALR flag activates. The on-chip temperature sensor (LT) monitors
2 THERM-ALR 0 R
the die temperature. If LT is disabled, the THERM-ALR bit is always '0'. The hysteresis of
this alarm is 8°C.
1 — 0 R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
0 — 0 R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
70 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated
Product Folder Links: AMC7812