Documentation/hwmon/ds1621.rst

47       - Christian W. Zuckschwerdt <zany@triq.net>
48       - valuable contributions by Jan M. Sendler <sendler@sendler.de>
49       - ported to 2.6 by Aurelien Jarno <aurelien@aurel32.net>
53 ------------------
55 * polarity int
56   Output's polarity:
62 -----------
66 programmed into non-volatile on-chip registers). Temperature range is -55
68 Fahrenheit range of -67 to +257 degrees with 0.9 steps. If polarity
71 As for the thermostat, behavior can also be programmed using the polarity
72 toggle. On the one hand ("heater"), the thermostat output of the chip,
77 is somewhat misleading in this point since setting the polarity bit does
78 not simply invert Tout.
81 of up to +/- 0.5 degrees even when compared against precise temperature
91 any of the limits have ever been met or exceeded since last power-up or
102 also pin compatible with the DS1621 and provide multi-resolution support.
110 ----------------------
112 - DS1621 - 750ms (older devices may take up to 1000ms)
113 - DS1625 - 500ms
114 - DS1631 - 93ms..750ms for 9..12 bits resolution, respectively.
115 - DS1721 - 93ms..750ms for 9..12 bits resolution, respectively.
116 - DS1731 - 93ms..750ms for 9..12 bits resolution, respectively.
119 On the DS1621, internal access to non-volatile registers may last for 10ms
123 --------------------
125 - DS1621: +/- 0.5 degree Celsius (from 0 to +70 degrees)
126 - DS1625: +/- 0.5 degree Celsius (from 0 to +70 degrees)
127 - DS1631: +/- 0.5 degree Celsius (from 0 to +70 degrees)
128 - DS1721: +/- 1.0 degree Celsius (from -10 to +85 degrees)
129 - DS1731: +/- 1.0 degree Celsius (from -10 to +85 degrees)
136 -----------------------
137 As mentioned above, the DS1631, DS1721, and DS1731 provide multi-resolution
141 ------
154    At initial device power-on, the default resolution is set to 12-bits.
215  - 'x' = the output from 'update_interval'
216  - 'g(x)' = the resolution in degrees C per LSB.
217  - 93.75ms = minimum conversion time