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PC87366 数据表(PDF) 204 Page - National Semiconductor (TI) |
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PC87366 数据表(HTML) 204 Page - National Semiconductor (TI) |
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204 / 240 page ![]() 12.0 Temperature Sensor (TMS) (Continued) 204 www.national.com 12.3.7 Temperature Channel Configuration and Status Register (TCHCFST) This register is set to 00h on power-up of AVDD. Bits 3-1 indicate which of three temperature limits has been exceeded. Write 1 to clear any of these bits. Writing 0 has no effect. Location: Offset 0Ah Type: Varies per bit Bit 76543210 Name End of Conversion Open OTS Output Enable ALERT Output Enable Channel Overtemp Limit Exceeded Channel Temp High Limit Exceeded Channel Temp Low Limit Exceeded Channel Enable Reset 00000000 Bit Type Description 7 R/W1C End of Conversion. This bit reflects the data in the RDCHT register. It is cleared by writing 1 to this bit. It is set when new data is written to the RDCHT register. 0: No new data (default) 1: New data not yet read 6 R/W1C Open 0: No fault (default) 1: Remote diode continuity (open circuit) fault 5 R/W OTS Output Enable 0: Disabled (default) 1: Enabled 4 R/W ALERT Output Enable 0: Disabled (default) 1: Enabled 3 R/W1C Channel Overtemperature Limit Exceeded 0: Overtemperature lower than limit (default) 1: Overtemperature higher than limit 2 R/W1C Channel Temperature High Limit Exceeded 0: Temperature lower than limit (default) 1: Temperature higher than limit 1 R/W1C Channel Temperature Low Limit Exceeded. This bit is set whenever a value lower than the value specified in CHTL is written into RDCHT. It is cleared by writing 1 to it. 0: Temperature higher than limit (default) 1: Temperature lower than limit 0 R/W Channel Enable 0: Disabled (default) 1: Enabled |
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