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LM93 датащи(PDF) 75 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
номер детали LM93
подробное описание детали  Hardware Monitor with Integrated Fan Control for Server Management
PDF  92 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM93 датащи(HTML) 75 Page - National Semiconductor (TI)

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16.0 Registers (Continued)
16.8.19 Register CEh
PWM2 Control 3
Register
Address
Read/
Write
Register
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Value
CEh
R/W
PWM2
Control 3
SU_DUR
RES
SU_DC
00h
Bit
Name
R/W
Description
3:0
SU_DC
R/W
This field sets the duty cycle that used whenever
PWM2 experiences a Spin-Up cycle. This field
accepts 16 possible values that are mapped to duty
cycles according the table in the Auto-Fan Control
section. Setting this field to 0h effectively disables
Spin-Up.
4
RES
R
Reserved
7:5
SU_DUR
R/W
Sets the Spin-Up duration for PWM2.
Bits 7:5 configure the spin-up duration. When the duty cycle of PWM2 changes from zero to a non-zero value, the spin-up
sequence is activated for the specified amount of time. The available settings are defined according to this table:
SU_DUR
Spin-Up Time
0h
Spin-up disabled
1h
100 ms
2h
250 ms
3h
400 ms
4h
700 ms
5h
1000 ms
6h
2000 ms
7h
4000 ms
16.8.20 Register CFh
Special Function PWM2 Control 4
Register
Address
Read/
Write
Register
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Value
CFh
R/W
Special Function
PWM2
Control 4
RES
RES
RES
RES
RES
FREQ2
00h
Bit
Name
R/W
Description
2:0
FREQ2
R/W
PWM2 frequency control. Controls the frequency of
the PWM2 output in the same fashion as FREQ1 in
the PWM1 Control 4 register.
7:3
RES
R
Reserved
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