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LM87 数据表(PDF) 25 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部件名 LM87
功能描述  Serial Interface System Hardware Monitor with Remote Diode Temperature Sensing
PDF  32 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM87 数据表(HTML) 25 Page - National Semiconductor (TI)

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Functional Description (Continued)
13.3 Test Register — Address 15h
Power on default – <7:0> = 00000000 binary
Bit
Name
Read/Write
Description
0
Shutdown
Read/Write
A one places the LM87 in a lower power "Shutdown" mode.
1
Reserved
Read/Write
2
Reserved
Read/Write
3
Reserved
Read/Write
4
Reserved
Read/Write
5
Reserved
Read/Write
6
Reserved
Read/Write
7
Reserved
Read/Write
13.4 Channel Mode Register — Address 16h
Power on default – <7:0> = 00000000 binary
Bit
Name
Read/Write
Description
0
FAN1/AIN1
Read/Write
A one enables the input as AIN1, a zero enables the input as FAN1.
1
FAN2/AIN2
Read/Write
A one enables the input as AIN2, a zero enables the input as FAN2.
2
2.5V, V
CCP2/D2
Read/Write
A one enables the 2.5V, V
CCP2/D2 inputs as a second remote diode temperature input.
3
Int. V
CC Range
Read/Write
A one configures the LM87 for 5.0V V
CC measurement. A zero configures it for 3.3V
V
CC measurement.
4
IRQ0 EN
Read/Write
A one enables pin 24 as an active low interrupt input. Bit 7 must also be set to
configure the VID/IRQ inputs to IRQ mode.
5
IRQ1 EN
Read/Write
A one enables pin 23 as an active low interrupt input. Bit 7 must also be set to
configure the VID/IRQ inputs to IRQ mode.
6
IRQ2 EN
Read/Write
A one enables pin 22 as an active low interrupt input. Bit 7 must also be set to
configure the VID/IRQ inputs to IRQ mode.
7
VID/IRQ
Read/Write
A one configures the VID/IRQ inputs as Interrupt Inputs. A zero configures the VID/IRQ
inputs as VID inputs only.
www.national.com
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