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PDF IT8712F Data sheet ( Hoja de datos )

Número de pieza IT8712F
Descripción Environment Control - Low Pin Count Input / Output
Fabricantes Integrated Technology　
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IT8712F
Environment Control – Low Pin Count Input / Output
(EC - LPC I/O)
Preliminary Specification V0. 81
ITE TECH. INC.
Specification subject to Change without notice, AS IS and for reference only. For purchasing, please
contact sales representatives.
Please note that the IT8712F V0.81 is applicable to I version and future versions.

1 page




IT8712F pdf
Section
5
9
Revision History
Revision History
Revision
In table 5-5, JP5 was revised to JP6.
In section 9.5.2.1.11, the description of bit 7 and 6 was revised.
In section 9.5.2.1.13, the description of bit 7-3 was revised.
Added a paragraph in the end of section 9.5.3.6: “Enhanced interrupt
mode”. When the enhanced interrupt mode is enabled…
Figure 9-5 was revised.
Page No.
12, 13
77
78
90
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IT8712F V0.81

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IT8712F arduino
Contents
9.5.2.2.35 Thermal Diode Zero Degree Adjust 3 Register (Index=59h,
Default=56h) ..................................................................................................... 83
9.5.2.2.36 Code ID Register (Index=5Bh, Default=12h) ................................... 83
9.5.2.2.37 Beep Event Enable Register (Index=5Ch, Default=00h).................. 83
9.5.2.2.38 Beep Frequency Divisor of Fan Event Register (Index=5Dh,
Default=00h) ..................................................................................................... 83
9.5.2.2.39 Beep Frequency Divisor of Voltage Event Register (Index=5Eh,
Default=00h) ..................................................................................................... 83
9.5.2.2.40 Beep Frequency Divisor of Temperature Event Register (Index=5Fh,
Default=00h) ..................................................................................................... 83
9.5.2.2.41 FAN_CTL3-1 SmartGuardian Automatic Mode Temperature Limit of
OFF Registers (Index=70h, 68h, 60h, Default=7Fh) ............................................. 83
9.5.2.2.42 FAN_CTL3-1 SmartGuardian Automatic Mode Temperature Limit of
Fan Start Registers (Index=71h, 69h, 61h, Default=7Fh) ...................................... 84
9.5.2.2.43 FAN_CTL3-1 SmartGuardian Automatic Mode Temperature Limit of
Full Speed Registers (Index=72h, 6Ah, 62h, Default=7Fh) ................................... 84
9.5.2.2.44 FAN_CTL3-1 SmartGuardian Automatic Mode Start PWM Registers
(Index=73h, 6Bh, 63h, Default=00h)...................................................................... 84
9.5.2.2.45 FAN_CTL3-1 SmartGuardian Automatic Mode Control Registers
(Index=74h, 6Ch, 64h, Default=00h)...................................................................... 84
9.5.2.2.46 FAN_CTL3-1 SmartGuardian Automatic Mode Temperature Limit of
Full-Speed-OFF Registers (Index=75h, 6Dh, 65h, Default=7Fh) .......................... 85
9.5.2.2.47 Fan Tachometer 4-5 Reading LSB Registers (Index=80h,82h)....... 85
9.5.2.2.48 Fan Tachometer 4-5 Reading MSB Registers (Index=81h,83h)...... 85
9.5.2.2.49 Fan Tachometer 4-5 Limit LSB Registers (Index=84h,86h)............. 85
9.5.2.2.50 Fan Tachometer 4-5 Limit MSB Registers (Index=85h,87h)............ 85
9.5.2.2.51 FAN_CTL4 PWM Control Register (Index=88h, Default=00h) ........ 85
9.5.2.2.52 FAN_CTL5 PWM Control Register (Index=89h, Default=00h) ........ 85
9.5.2.2.53 FAN_CTL5-4 SmartGuardian Automatic Mode Temperature Limit of
OFF Registers (Index=98h, 90h, Default=7Fh) ..................................................... 86
9.5.2.2.54 FAN_CTL5-4 SmartGuardian Automatic Mode Temperature Limit of
Fan Start Registers (Index=99h, 91h, Default=7Fh) .............................................. 86
9.5.2.2.55 FAN_CTL5-4 SmartGuardian Automatic Mode Temperature Limit of
Full Speed Registers (Index=9Ah, 92h, Default=7Fh) ........................................... 86
9.5.2.2.56 FAN_CTL5-4 SmartGuardian Automatic Mode Start PWM Registers
(Index=9Bh, 93h, Default=00h).............................................................................. 86
9.5.2.2.57 FAN_CTL5-4 SmartGuardian Automatic Mode Control Registers
(Index=9Ch, 94h, Default=00h).............................................................................. 86
9.5.2.2.58 FAN_CTL5-4 SmartGuardian Automatic Mode Temperature Limit of
Full-Speed-OFF Registers (Index=9Dh, 95h, Default=7Fh) .................................. 87
9.5.3 Operation.............................................................................................................................. 87
9.5.3.1 Power On RESET and Software RESET................................................................. 87
9.5.3.2 Starting Conversion ................................................................................................. 87
9.5.3.3 Voltage and Temperature Inputs ............................................................................. 88
9.5.3.4 Layout and Grounding ............................................................................................. 89
9.5.3.5 Fan Tachometer ...................................................................................................... 89
9.5.3.6 Interrupt of the EC ................................................................................................... 89
9.5.3.7 FAN Controller FAN_CTL’s ON-OFF and SmartGuardian Modes .......................... 91
9.6 Floppy Disk Controller (FDC) ............................................................................................................ 92
9.6.1 Introduction........................................................................................................................... 92
9.6.2 Reset .................................................................................................................................... 92
9.6.3 Hardware Reset (LRESET# Pin) .......................................................................................... 92
9.6.4 Software Reset (DOR Reset and DSR Reset) ..................................................................... 92
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