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LM64 数据表(PDF) 20 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部件名 LM64
功能描述  짹1째C Remote Diode Temperature Sensor with PWM Fan Control and 5 GPIO?셲
PDF  29 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM64 数据表(HTML) 20 Page - National Semiconductor (TI)

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2.0 LM64 Registers (Continued)
Fan Control Registers (Continued)
Address
Hex
Read/
Write
Bits
POR
Value
Name
Description
50
HEX to 5FHEX LOOKUP TABLE (7 Bits for Temperature and 6 Bits for PWM for each Temperature/PWM Pair)
50
Read.
(Write
only if
reg
4A bit
5 = 1.)
70
Lookup Table
Temperature
Entry 1
This bit is unused and always set to 0.
6:0
0x7F
If the remote diode temperature exceeds this value, the PWM output
will be the value in Register 51.
51
7:6
00
Lookup Table
PWM Entry 1
These bits are unused and always set to 0.
5:0
0x3F
The PWM value corresponding to the temperature limit in register 50.
52
70
Lookup Table
Temperature
Entry 2
This bit is unused and always set to 0.
6:0
0x7F
If the remote diode temperature exceeds this value, the PWM output
will be the value in Register 53.
53
7:6
00
Lookup Table
PWM Entry 2
These bits are unused and always set to 0.
5:0
0x3F
The PWM value corresponding to the temperature limit in register 52.
54
70
Lookup Table
Temperature
Entry 3
This bit is unused and always set to 0.
6:0
0x7F
If the remote diode temperature exceeds this value, the PWM output
will be the value in Register 55.
55
7:6
00
Lookup Table
PWM Entry 3
These bits are unused and always set to 0.
5:0
0x3F
The PWM value corresponding to the temperature limit in register 54.
56
70
Lookup Table
Temperature
Entry 4
This bit is unused and always set to 0.
6:0
0x7F
If the remote diode temperature exceeds this value, the PWM output
will be the value in Register 57.
57
7:6
00
Lookup Table
PWM Entry 4
These bits are unused and always set to 0.
5:0
0x3F
The PWM value corresponding to the temperature limit in register 56.
58
70
Lookup Table
Temperature
Entry 5
This bit is unused and always set to 0.
6:0
0x7F
If the remote diode temperature exceeds this value, the PWM output
will be the value in Register 59.
59
7:6
00
Lookup Table
PWM Entry 5
These bits are unused and always set to 0.
5:0
0x3F
The PWM value corresponding to the temperature limit in register 58.
5A
70
Lookup Table
Temperature
Entry 6
This bit is unused and always set to 0.
6:0
0x7F
If the remote diode temperature exceeds this value, the PWM output
will be the value in Register 5B.
5B
7:6
00
Lookup Table
PWM Entry 6
These bits are unused and always set to 0.
5:0
0x3F
The PWM value corresponding to the temperature limit in register 5A.
5C
70
Lookup Table
Temperature
Entry 7
This bit is unused and always set to 0.
6:0
0x7F
If the remote diode temperature exceeds this value, the PWM output
will be the value in Register 5D.
5D
7:6
00
Lookup Table
PWM Entry 7
These bits are unused and always set to 0.
5:0
0x3F
The PWM value corresponding to the temperature limit in register 5C.
5E
70
Lookup Table
Temperature
Entry 8
This bit is unused and always set to 0.
6:0
0x7F
If the remote diode temperature exceeds this value, the PWM output
will be the value in Register 5F.
5F
7:6
00
Lookup Table
PWM Entry 8
These bits are unused and always set to 0.
5:0
0x3F
The PWM value corresponding to the temperature limit in register 5E.
4F
HEX LOOKUP TABLE HYSTERESIS
4F
R/W
7:5
000
Lookup
Table
Hysteresis
These bits are unused and always set to 0
4:0
00100
The amount of hysteresis applied to the Lookup Table. (1 LSB = 1˚C).
www.national.com
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