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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /Documentation/hwmon/lm95245 | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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-rw-r--r-- | Documentation/hwmon/lm95245 | 33 |
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diff --git a/Documentation/hwmon/lm95245 b/Documentation/hwmon/lm95245 new file mode 100644 index 00000000..cbd8aeab --- /dev/null +++ b/Documentation/hwmon/lm95245 @@ -0,0 +1,33 @@ +Kernel driver lm95245 +================== + +Supported chips: + * National Semiconductor LM95245 + Addresses scanned: I2C 0x18, 0x19, 0x29, 0x4c, 0x4d + Datasheet: Publicly available at the National Semiconductor website + http://www.national.com/mpf/LM/LM95245.html + + +Author: Alexander Stein <alexander.stein@systec-electronic.com> + +Description +----------- + +The LM95245 is an 11-bit digital temperature sensor with a 2-wire System +Management Bus (SMBus) interface and TruTherm technology that can monitor +the temperature of a remote diode as well as its own temperature. +The LM95245 can be used to very accurately monitor the temperature of +external devices such as microprocessors. + +All temperature values are given in millidegrees Celsius. Local temperature +is given within a range of -127 to +127.875 degrees. Remote temperatures are +given within a range of -127 to +255 degrees. Resolution depends on +temperature input and range. + +Each sensor has its own critical limit, but the hysteresis is common to all +two channels. + +The lm95245 driver can change its update interval to a fixed set of values. +It will round up to the next selectable interval. See the datasheet for exact +values. Reading sensor values more often will do no harm, but will return +'old' values. |