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LM64 Datasheet(PDF) 28 Page - Texas Instruments

Part # LM64
Description  LM64 ±1°C Remote Diode Temperature Sensor with PWM Fan Control and 5 GPIOs
PDF  42 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM64 Datasheet(HTML) 28 Page - Texas Instruments

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ADDRESS
Hex
Read/
Write
Bits
POR
Value
Name
Description
16
R/W
7
1
This bit is unused and always read as 1.
6
0
Local High
Alarm Mask
When this bit is a 0, a Local High Alarm event will generate an ALERT.
When this bit is a 1, a Local High Alarm will not generate an ALERT
5
1
This bit is unused and always read as 1.
4
0
Remote
High Alarm Mask
When this bit is a 0, Remote High Alarm event will generate an ALERT.
When this bit is a 1, a Remote High Alarm event will not generate an ALERT.
3
0
Remote
Low Alarm
Mask
When this bit is a 0, a Remote Low Alarm event will generate an ALERT.
When this bit is a 1, a Remote Low Alarm event will not generate an ALERT.
2
1
This bit is unused and always read as 1.
1
0
Remote
T_CRIT
Alarm Mask
When this bit is a 0, a Remote T_CRIT event will generate an ALERT.
When this bit is a 1, a Remote T_CRIT event will not generate an ALERT.
0
0
Tach
Alarm Mask
When this bit is a 0, a Tach Alarm event will generate an ALERT.
When this bit is a 1, a Tach Alarm event will not generate an ALERT.
7.1.4.7 Conversion Rate And One-Shot Registers
ADDRESS
Hex
Read/
Write
Bits
POR
Value
Name
Description
04 (0A)HEX CONVERSION RATE REGISTER (8-bits)
04 (0A)
R/W
7:0
0x08
Conversion
Rate
Sets the conversion rate of the LM64.
00000000 = 0.0625 Hz
00000001 = 0.125 Hz
00000010 = 0.25 Hz
00000011 = 0.5 Hz
00000100 = 1 Hz
00000101 = 2 Hz
00000110 = 4 Hz
00000111 = 8 Hz
00001000 = 16 Hz
00001001 = 32 Hz
All other values = 32 Hz
04 (0A)HEX ONE-SHOT REGISTER (8-bits)
0F
Write
Only
7:0
N/A
One Shot
Trigger
With the LM64 in the STANDBY mode a single write to this register will initiate
one complete temperature conversion cycle.
7.1.4.8 ID Registers
ADDRESS
Hex
Read/
Write
Bits
POR
Value
Name
Description
FFHEX STEPPING / DIE REVISION ID REGISTER (8-bits)
FF
Read
Only
7:0
0x51
Stepping/Die
Revision ID
Version of LM64
FEHEX MANUFACTURER’S ID REGISTER (8-bits)
FE
Read
Only
7:0
0x01
Manufacturer’s ID 0x01 = Texas Instruments
LM64
SNAS207B – MAY 2004 – REVISED JANUARY 2024
www.ti.com
28
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: LM64



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