參數(shù)資料
型號(hào)： LM93CIMT
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 電源管理
英文描述： Hardware Monitor with Integrated Fan Control for Server Management
中文描述： 16-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO56
封裝： MO-153EE, TSSOP-56
文件頁(yè)數(shù)： 72/92頁(yè)
文件大?。?/td> 654K
代理商： LM93CIMT
16.0 Registers
(Continued)
16.8.15 Register CAh
PWM1 Control 3
Register
Address
Read/
Write
Register
Name
PWM1
Control 3
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Value
CAh
R/W
SU_DUR
RES
SU_DC
00h
Bit
3:0
Name
SU_DC
R/W
R/W
Description
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.
Reserved
Sets the Spin-Up duration for PWM1.
4
RES
SU_DUR
R
7:5
R/W
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
0h
1h
2h
3h
4h
5h
6h
7h
Spin-Up Time
Spin-up disabled
100 ms
250 ms
400 ms
700 ms
1000 ms
2000 ms
4000 ms
16.8.16 Register CBh
Special Function PWM1 Control 4
Register
Address
Read/
Write
Register
Name
Special Function
PWM1 Control 4
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Value
CBh
R/W
RES
RES
RES
RES
RES
FREQ1
00h
Bit
2:0
Name
FREQ1
R/W
R/W
Description
PWM1 frequency control. Setting this value controls
the frequency of the PWM1 output according to the
table below.
Reserved
7:3
RES
R
FREQ1 or FREQ2
Frequency of PWM1
or PWM2 (Hz)
22500
96
84
72
60
48
36
12
0h
1h
2h
3h
4h
5h
6h
7h
L
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