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EMC2101-R-ACZL-TR датащи(PDF) 31 Page - SMSC Corporation |
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EMC2101-R-ACZL-TR датащи(HTML) 31 Page - SMSC Corporation |
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31 / 57 page ![]() SMBus Fan Control with 1°C Accurate Temperature Monitoring Datasheet SMSC EMC2101 31 Revision 2.54 (06-16-09) DATASHEET 17h R/W External Diode Ideality Factor Sets ideality factor based on diode type 12h (1.008) Page 38 18h R/W Beta Compensation Factor Compensates for transistors with various beta factors 08h Page 39 19h R/W TCRIT Temp Limit Fan will be set to full speed if external temp above this value 55h (85°C) Page 36 21h R/W TCRIT Hysteresis Amount of hysteresis applied to TCRIT Temp (1LSB = 1°C) 0Ah (10°C) Page 36 46h R TACH Reading Low Byte Stores the lower 6 bits of the TACH count. and the TACH configuration bits FFh Page 40 47h R TACH Reading High Byte Stores the upper 8 bits of the TACH count. FFh Page 40 48h R/W TACH Limit Low Byte Stores the lower 6 bits of the TACH Limit FFh Page 40 49h R/W TACH Limit High Byte Stores the upper 8 bits of the TACH Limit FFh Page 40 4Ah R/W FAN Configuration defines polarity of PWM or DAC 20h Page 41 4Bh R/W Fan Spin-up Sets Spin Up options 3Fh Page 42 4Ch R/W Fan Setting Sets PWM or DAC value 00h Page 43 4Dh R/W PWM Frequency Sets the final PWM Frequency 17h Page 44 4Eh R/W PWM Frequency Divide Sets the base PWM frequency 01h Page 44 4Fh R/W Lookup Table Hysteresis Amount of hysteresis applied to Lookup Table Temp (1LSB = 1°C) 04h (4°C) Page 45 50h R/W (See Note 6.1) Lookup Table Temp Setting 1 Look Up Table Temperature Setting 1 7Fh Page 46 51h R/W (See Note 6.1) Lookup Table Fan Setting 1 Associated Fan Setting for Temp Setting 1 3Fh Page 46 52h R/W (See Note 6.1) Lookup Table Temp Setting 2 Look Up Table Temperature Setting 2 7Fh Page 46 53h R/W (See Note 6.1) Lookup Table Fan Setting 2 Associated Fan Setting for Temp Setting 2 3Fh Page 46 54h R/W (See Note 6.1) Lookup Table Temp Setting 3 Look Up Table Temperature Setting 3 7Fh Page 46 55h R/W (See Note 6.1) Lookup Table Fan Setting 3 Associated Fan Setting for Temp Setting 3 3Fh Page 46 56h R/W (See Note 6.1) Lookup Table Temp Setting 4 Look Up Table Temperature Setting 4 7Fh Page 46 Table 6.1 Register Set in Hexadecimal Order (continued) REGISTER ADDRESS R/W REGISTER NAME FUNCTION DEFAULT VALUE PAGE |
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