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PC8374L Datasheet(PDF) 131 Page - National Semiconductor (TI) |
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PC8374L Datasheet(HTML) 131 Page - National Semiconductor (TI) |
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131 / 239 page  8.0 Health Management (HM) (Continued) Revision 1.1 131 www.national.com Extended Device Enumeration Extended Device Enumeration follows the Device Enumeration stage, as follows: 1. If device number 1 exists, the HM reads the device’s LM Device ID register and compares it to the LM96011 Device ID value (24h), LM96010 Device ID value (22h) or LM96012 Device ID value (23h). If the comparison is positive, the HM Channel Association related to the LM96011, LM96010 or LM96012 device takes place, as described in “HM Channel Association”, below. If the comparison fails, the HM assumes a communication error with the LMxx Sensor device occurred and proceeds accordingly (see Section 8.2.10 on page 139). 2. If device number 2 exists, the HM reads the device’s LM Device ID register and compares it to the LM95010 Device ID value (21h). If the comparison is positive, the HM Channel Association related to the optional LM95010 device takes place, as described in“HM Channel Association”, below. HM Channel Association HM Channels are associated with the LMxx sensors according to Table 49 to Table 51. There are four options: • LM96011 provides two temperature channels (one remote diode, one ambient) and five voltage channels • LM96011+LM95010 provides three temperature channels (one remote diode, two ambient) and five voltage channels • LM96010 provides three temperature channels (two remote diode, one ambient) and five voltage channels • LM96012 provides three temperature channels (two remote diode and one ambient) and no voltage channels The appropriate option is determined by the results of the extended device enumeration. Table 49. LMxx Sensor Association with HM Channels for LM96011 or LM96011+LM95010 Table 50. LMxx Sensor Association with HM Channels for LM96010 HM Channel LMxx Sensor Device Number Function Number Sensor Number Temperature Zone1 1 1 SN1 (Thermal diode, 01h) Temperature Zone2 1 1 SN0 (Local, 00h) Temperature Zone31 1. Applicable if the optional LM95010 device exists. 2 1 SN0 (Local, 00h) Voltage 2.5V 1 2 SN0 (2.5V, 00h) Voltage Vccp 1 2 SN1 (Vccp, 01h) Voltage 3.3V 1 2 SN2 (3.3V, 02h) Voltage 5V 1 2 SN3 (5V, 03h) Voltage 12V 1 2 SN4 (12V, 04h) HM Channel LMxx Sensor Device Number Function Number Sensor Number Temperature Zone1 1 1 SN1 (Thermal Diode, 01h) Temperature Zone2 1 1 SN0 (Local, 00h) Temperature Zone3 1 1 SN2 (Thermal Diode, 02h) Voltage 2.5V 1 2 SN0 (2.5V, 00h) Voltage Vccp 1 2 SN1 (Vccp, 01h) Voltage 3.3V 1 2 SN2 (3.3V, 02h) Voltage 5V 1 2 SN3 (5V, 03h) Voltage 12V 1 2 SN4 (12V, 04h) Winbond Electronics Corp. Advanced PC Product Center |
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