LM96194CISQ/NOPB National Semiconductor, LM96194CISQ/NOPB Datasheet - Page 45
LM96194CISQ/NOPB
Manufacturer Part Number
LM96194CISQ/NOPB
Description
IC TRUTHERM HDWR MONITOR 48-LLP
Manufacturer
National Semiconductor
Series
PowerWise®, TruTherm®r
Datasheet
1.LM96194CISQNOPB.pdf
(106 pages)
Specifications of LM96194CISQ/NOPB
Function
Fan Control, Temp Monitor
Topology
ADC (Sigma Delta), Comparator, Fan Control, Multiplexer, Register Bank
Sensor Type
External & Internal
Sensing Temperature
-40°C ~ 85°C, External Sensor
Output Type
SMBus™
Output Alarm
No
Output Fan
Yes
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-LLP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM96194CISQTR
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Register
Address
Register
Address
16.7.3 Register 33h PWM1 Filter Shutoff Threshold
16.7.4 Register 34h PWM2 Filter Shutoff Threshold
33h
34h
Bit
2:0
7:3
Bit
2:0
7:3
Bit [7:3]
Read/
29
30
31
Read/
Write
Write
0
1
2
R/W
·
·
·
R/W
PWM1_SHUT_DC[4:0]
PWM2_SHUT_DC[4:0]
Bit [7:3]
Register Name
Register Name
29
30
31
0
1
2
·
·
·
PWM1_Filter
Shut_Thresh
PWM2_Filter
Shut_Thresh
Name
Name
RES
RES
9-bit Threshold
232
240
248
16
0
8
Bit 7
Bit 7
·
·
·
R/W
R/W
R/W
R/W
R
R
Bit 6
Bit 6
PWM1_SHUT_DC[4:0]
PWM2_SHUT_DC[4:0]
9-bit Threshold
Description
Reserved
Sets the filter shutoff threshold. The actual duty cycle threshold is 3.15%
times this value. If the PWM filter is disabled the shutdown threshold is also
disabled. The shutdown threshold allows the PWM1 output to be turned off
for duty cycles less than the programmed value.
Description
Reserved
Sets the filter shutoff threshold. The actual duty cycle threshold is 3.15%
times this value. If the PWM filter is disabled the shutdown threshold is also
disabled. The shutdown threshold allows the PWM1 output to be turned off
for duty cycles less than the programmed value.
Bit 5
Bit 5
232
240
248
16
45
0
8
·
·
·
Bit 4
Bit 4
Corresponding Duty Cycle
Bit 3
Bit 3
90.625%
93.750%
96.875%
0.000%
3.125%
6.25%
Bit 2
Bit 2
Corresponding Duty Cycle
RES
RES
·
·
·
90.625%
93.750%
96.875%
Bit 1
Bit 1
RES
RES
0.000%
3.125%
6.25%
·
·
·
Bit 0
Bit 0
RES
RES
www.national.com
Default
Default
Value
Value
00h
00h
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