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PC8374L Datasheet(PDF) 182 Page - National Semiconductor (TI) |
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PC8374L Datasheet(HTML) 182 Page - National Semiconductor (TI) |
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182 / 239 page  8.0 Health Management (HM) (Continued) www.national.com 182 Revision1.1 8.5.64 Zone2 Temperature Limit Location: 68h Type: R/W or RO (Becomes read-only when LOCK bit in the Configuration register is set.) 8.5.65 Zone3 Temperature Limit Location: 69h Type: R/W or RO (Becomes read-only when LOCK bit in the Configuration register is set.) 8.5.66 Zone1 Absolute Temperature Limit Location: 6Ah Type: R/W or RO (Becomes read-only when LOCK bit in the Configuration register is set.) 8.5.67 Zone2 Absolute Temperature Limit Location: 6Bh Type: R/W or RO (Becomes read-only when LOCK bit in the Configuration register is set.) Bit 76543210 Name ZTEMP_LOW Reset 00000000 Bit Description 7-0 ZTEMP_LOW. Same as ZTEMP_LOW in Zone1 Temperature Limit register, but for Zone2. Bit 76543210 Name ZTEMP_LOW Reset 00000000 Bit Description 7-0 ZTEMP_LOW. Same as ZTEMP_LOW in Zone1 Temperature Limit register, but for Zone3. Bit 76543210 Name ZTEMP_ABS Reset 0 1 1 00100 Bit Description 7-0 ZTEMP_ABS. Selects the temperature value for the absolute limit. When the associated zone temperature is above the absolute limit, the duty cycle of all the FANPWM outputs is forced to full on (i.e., the value contained in the FANPWM1 MAX Duty register). When the zone temperature returns below the absolute limit, an 8 °C hysteresis is provided. ZTEMP_ABS format is the same as the format of the corresponding Temperature Reading Zone1 register (see Section 8.5.6 on page 157). This format is dependent on the setting of the ZONE1_RANGE bit in the Monitor Control Register (see Section 8.5.54 on page 176). The default value is 64h (100 °C for 1°C resolution, 200°C for 2°C reso- lution). Valid values for this field are from 81h to 7Fh. A value of 80h disables the Absolute Limit. Bit 76543210 Name ZTEMP_ABS Reset 01100100 Bit Description 7-0 ZTEMP_ABS. Same as ZTEMP_ABS in Zone1 Absolute Temperature Limit register, but for Zone2. Winbond Electronics Corp. Advanced PC Product Center |
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