linux/Documentation/hwmon/tmp421
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   1Kernel driver tmp421
   2====================
   3
   4Supported chips:
   5  * Texas Instruments TMP421
   6    Prefix: 'tmp421'
   7    Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f
   8    Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html
   9  * Texas Instruments TMP422
  10    Prefix: 'tmp422'
  11    Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f
  12    Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html
  13  * Texas Instruments TMP423
  14    Prefix: 'tmp423'
  15    Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f
  16    Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html
  17
  18Authors:
  19        Andre Prendel <andre.prendel@gmx.de>
  20
  21Description
  22-----------
  23
  24This driver implements support for Texas Instruments TMP421, TMP422
  25and TMP423 temperature sensor chips. These chips implement one local
  26and up to one (TMP421), up to two (TMP422) or up to three (TMP423)
  27remote sensors. Temperature is measured in degrees Celsius. The chips
  28are wired over I2C/SMBus and specified over a temperature range of -40
  29to +125 degrees Celsius. Resolution for both the local and remote
  30channels is 0.0625 degree C.
  31
  32The chips support only temperature measurement. The driver exports
  33the temperature values via the following sysfs files:
  34
  35temp[1-4]_input
  36temp[2-4]_fault
  37
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