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PC87366 数据表(PDF) 206 Page - National Semiconductor (TI) |
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PC87366 数据表(HTML) 206 Page - National Semiconductor (TI) |
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206 / 240 page ![]() 12.0 Temperature Sensor (TMS) (Continued) 206 www.national.com 12.4 TMS REGISTER BITMAP 12.4.1 TMS Control and Status Registers 12.4.2 TMS Channel Registers 12.5 USAGE HINTS 12.5.1 Remote Diode Selection Temperature accuracy depends on a good quality transistor, used as a diode-connected,small-signal transistor. Accuracy has been experimentally verified for the Motorola and other devices listed in Table 56. A temperature sensor can directly measure the die temperature of CPUs with on-board temperature-sensing diodes. Register Bits Offset Mnemonic 7 6 5 4 3 2 1 0 00h TEVSTS Reserved Local Overtemp Event Status Local ALERT Event Status Remote 2 Overtemp Event Status Remote 2 ALERT Event Status Remote 1 Overtemp Event Status Remote 1 ALERT Event Status 01h Reserved 02h TEVSMI Reserved Local Overtemp Event to SMI Enable Local ALERT Event to SMI Enable Remote 2 Overtemp Event to SMI Enable Remote 2 ALERT Event to SMI Enable Remote 1 Overtemp Event to SMI Enable Remote 1 ALERT Event to SMI Enable 03h Reserved 04h TEVIRQ Reserved Local Overtemp Event to IRQ Enable Local ALERT Event to IRQ Enable Remote 2 Overtemp Event to IRQ Enable Remote 2 ALERT Event to IRQ Enable Remote 1 Overtemp Event to IRQ Enable Remote 1 ALERT Event to IRQ Enable 05h- 07h Reserved 08h TMSCFG Reserved External VREF Standby Mode 09h TMSBS Reserved Bank Select Register Bits Offset Mnemonic 76543210 0Ah TCHCFST 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 0Bh RDCHT Channel Temperature Value 0Ch CHTH Channel Temperature High Limit Value 0Dh CHTL Channel Temperature Low Limit Value 0Eh CHOTL Channel Overtemperature Value 0Fh Reserved |
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