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LM93 Datasheet(PDF) 45 Page - Texas Instruments |
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LM93 Datasheet(HTML) 45 Page - Texas Instruments |
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45 / 95 page  LM93 www.ti.com SNAS210E – DECEMBER 2003 – REVISED MARCH 2013 Lock Register Name Address Default Description FAN Tach 3 Limit MSB B9h FFh FAN Tach 3 Limit MSB FAN Tach 4 Limit LSB BAh FCh FAN Tach 4 Limit LSB FAN Tach 4 Limit MSB BBh FFh FAN Tach 4 Limit MSB SETUP REGISTERS x Special Function Control 1 BCh 00h Controls the hysteresis for voltage limit comparisons. Also selects filtered or unfiltered temperature usage for temperature limit comparisons and fan control. x Special Function Control 2 BDh 00h Enables smart tach detection. Also selects 0.5°C or 1.0°C resolution for fan control. x GPI / VID Level Control BEh 00h Control the input threshold levels for the P1_VIDx, P2_VIDx and GPIO_x inputs. x PWM Ramp Control BFh 00h Controls the ramp rate of the PWM duty cycle when VRDx_HOT is asserted, as well as the ramp rate when PROCHOT exceeds the user threshold. x Fan Boost Hysteresis (Zones 1/2) C0h 44h Fan Boost Hysteresis for zones 1 and 2 x Fan Boost Hysteresis (Zones 3/4) C1h 44h Fan Boost Hysteresis for zones 3 and 4 x Zones 1/2 Spike Smoothing Control C2h 00h Configures Spike Smoothing for zones 1 and 2 x Zones 1/2 MinPWM and Hysteresis C3h N/D Controls MinPWM and hysteresis setting for zones 1 and 2 auto-fan control x Zones 3/4 MinPWM and Hysteresis C4h N/D Controls MinPWM and hysteresis setting for zones 3 and 4 auto-fan control GPO C5h 00h Controls the output state of the GPIO pins PROCHOT Override C6h 00h Allows manual assertion of P1_PROCHOT or P2_PROCHOT PROCHOT Time Interval C7h 11h Configures the time window over which the PROCHOT inputs are measured x PWM1 Control 1 C8h 0Fh Controls PWM control source bindings. x PWM1 Control 2 C9h 00h Controls PWM override and output polarity x PWM1 Control 3 CAh 00h Controls PWM spin-up duration and duty cycle x PWM1 Control 4 CBh 00h Frequency control for PWM1. x PWM2 Control 1 CCh 0Fh Controls PWM control source bindings. x PWM2 Control 2 CDh 00h Controls PWM override and output polarity x PWM2 Control 3 CEh 00h Controls PWM spin-up duration and duty cycle x Special FunctionPWM2 Control 4 CFh 00h Frequency control for PWM2 x Zone 1 Base Temperature D0h N/D Base temperature to which look-up table offset is applied for Zone 1 x Zone 2 Base Temperature D1h N/D Base temperature to which look-up table offset is applied for Zone 2 x Zone 3 Base Temperature D2h N/D Base temperature to which look-up table offset is applied for Zone 3 x Zone 4 Base Temperature D3h N/D Base temperature to which look-up table offset is applied for Zone 4 x Step 2 Temp Offset D4h N/D Step 2 Zone 1/2 and Zone 3/4 Offset Temperatures x Step 3 Temp Offset D5h N/D Step 3 Zone 1/2 and Zone 3/4 Offset Temperatures x Step 4 Temp Offset D6h N/D Step 4 Zone 1/2 and Zone 3/4 Offset Temperatures x Step 5 Temp Offset D7h N/D Step 5 Zone 1/2 and Zone 3/4 Offset Temperatures x Step 6 Temp Offset D8h N/D Step 6 Zone 1/2 and Zone 3/4 Offset Temperatures x Step 7 Temp Offset D9h N/D Step 7 Zone 1/2 and Zone 3/4 Offset Temperatures x Step 8 Temp Offset DAh N/D Step 8 Zone 1/2 and Zone 3/4 Offset Temperatures x Step 9 Temp Offset DBh N/D Step 9 Zone 1/2 and Zone 3/4 Offset Temperatures x Step 10 Temp Offset DCh N/D Step 10 Zone 1/2 and Zone 3/4 Offset Temperatures x Step 11 Temp Offset DDh N/D Step 11 Zone 1/2 and Zone 3/4 Offset Temperatures x Step 12 Temp Offset DEh N/D Step 12 Zone 1/2 and Zone 3/4 Offset Temperatures x Step 13 Temp Offset DFh N/D Step 13 Zone 1/2 and Zone 3/4 Offset Temperatures x Special Function TACH to PWM E0h 00h Controls the tachometer input to PWM output binding Binding Reserved E1 N/D Copyright © 2003–2013, Texas Instruments Incorporated Functional Description 45 Submit Documentation Feedback Product Folder Links: LM93 |
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