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| 1 | Kernel driver lm77 | ||
| 2 | ================== | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * National Semiconductor LM77 | ||
| 6 | Prefix: 'lm77' | ||
| 7 | Addresses scanned: I2C 0x48 - 0x4b | ||
| 8 | Datasheet: Publicly available at the National Semiconductor website | ||
| 9 | http://www.national.com/ | ||
| 10 | |||
| 11 | Author: Andras BALI <drewie@freemail.hu> | ||
| 12 | |||
| 13 | Description | ||
| 14 | ----------- | ||
| 15 | |||
| 16 | The LM77 implements one temperature sensor. The temperature | ||
| 17 | sensor incorporates a band-gap type temperature sensor, | ||
| 18 | 10-bit ADC, and a digital comparator with user-programmable upper | ||
| 19 | and lower limit values. | ||
| 20 | |||
| 21 | Limits can be set through the Overtemperature Shutdown register and | ||
| 22 | Hysteresis register. | ||