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LM93 датащи(PDF) 72 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) 72 Page - National Semiconductor (TI)

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16.0 Registers (Continued)
16.8.15 Register CAh
PWM1 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
CAh
R/W
PWM1
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 will be used
whenever PWM1 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 will effectively
disable Spin-Up.
4
RES
R
Reserved
7:5
SU_DUR
R/W
Sets the Spin-Up duration for PWM1.
Bits 7:5 configure the spin-up duration. When the duty cycle of PWM1 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
16.8.16 Register CBh
Special Function PWM1 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
CBh
R/W
Special Function
PWM1 Control 4
RES
RES
RES
RES
RES
FREQ1
00h
Bit
Name
R/W
Description
2:0
FREQ1
R/W
PWM1 frequency control. Setting this value controls
the frequency of the PWM1 output according to the
table below.
7:3
RES
R
Reserved
FREQ1 or FREQ2
Frequency of PWM1
or PWM2 (Hz)
0h
22500
1h
96
2h
84
3h
72
4h
60
5h
48
6h
36
7h
12
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