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PC8374L Datasheet(PDF) 175 Page - National Semiconductor (TI) |
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PC8374L Datasheet(HTML) 175 Page - National Semiconductor (TI) |
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175 / 239 page  8.0 Health Management (HM) (Continued) Revision 1.1 175 www.national.com 8.5.50 Fan Tachometer4 Low Limit MSB LSB of lowest permitted fan speed value. Location: 5Bh Type: R/W or RO (Becomes read-only when LOCK_LIM bit in the Monitoring Control register is set.) 8.5.51 Temperature Critical Limit Zone1 Temperature critical limit for Zone1 temperature monitoring. Location: 7Ah Type: R/W or RO (Becomes read-only when LOCK_LIM bit in the Monitoring Control register is set.) 8.5.52 Temperature Critical Limit Zone2 Temperature critical limit for Zone2 temperature monitoring. Location: 7Bh Type: R/W or RO (Becomes read-only when LOCK_LIM bit in the Monitoring Control register is set.) 8.5.53 Temperature Critical Limit Zone3 Temperature critical limit for Zone3 temperature monitoring. Location: 7Ch Type: R/W or RO (Becomes read-only when LOCK_LIM bit in the Monitoring Control register is set.) Bit 76543210 Name FAN_MIN_MSB Reset 1 1 1 1 1 1 1 1 Bit Description 7-0 FAN_MIN_MSB. Same as FAN_MIN_MSB of Fan Tachometer1 Low Limit LSB register, but for Fan Tachometer 4. Bit 76543210 Name CRIT_LIMIT Reset 01101110 Bit Description 7-0 CRIT_LIMIT. The critical limit value to which the associated temperature input data is compared. If the temperature input data is higher than CRIT_LIMIT the corresponding bits in the HM Interrupt Status register, HM Sensor Status Register and Status Register are updated/set (see Section 8.4.10 on page 149, Section 8.4.12 on page 150, and Section 8.5.25 on page 166). CRIT_LIMIT format is the same as the format of the corresponding Temperature Reading Zone1 register (note that this format is configurable). The default value is 6Eh (110 °Cfor 1 °C resolution, 220°C for 2°C resolution). Bit 76543210 Name CRIT_LIMIT Reset 01101110 Bit Description 7-0 CRIT_LIMIT. Same as CRIT_LIMIT in Temperature Critical Limit Zone1, but for Temperature Zone2. Bit 76543210 Name CRIT_LIMIT Reset 01101110 Bit Description 7-0 CRIT_LIMIT. Same as CRIT_LIMIT in Temperature Critical Limit Zone1, but for Temperature Zone3. Winbond Electronics Corp. Advanced PC Product Center |
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