参数资料
型号: ADM1034ARQ-REEL
厂商: ON Semiconductor
文件页数: 30/38页
文件大小: 427K
描述: IC THERM/FAN SPEED CTRLR 16-QSOP
产品变化通告: MFG CHG Notification ADI to ON Semi
Product Obsolescence 30/Sept/2009
标准包装: 2,500
功能: 风扇控制,温度监控器
传感器类型: 内部和外部
感应温度: -40°C ~ 125°C,外部传感器
精确度: ±1°C
拓扑: ADC,比较器,多路复用器,寄存器库
输出类型: SMBus?
输出警报:
输出风扇:
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 带卷 (TR)
ADM1034
http://onsemi.com
30
Table 40. REGISTER 0X04, CONFIGURATION REGISTER 4, POWER-ON DEFAULT 0X00, LOCK = Y, S/W RESET = Y
Bit
Name
R/W
Description
7
FAN_FAULT
/REF
R/W
This bit sets the function for Pin 8. 0 = Default = FAN_FAULT
 output (THERM
 input
is CMOS). 1 = Reference input for THERM
.
<6:4>
THERM
 % Time Window
R/W
These bits set the time window over which THERM
 % is calculated.
000 = 0.25 second
001 = 0.5 second
010 = 1 second
011 = 2 seconds
100 = 4 seconds
101 = 8 seconds
110 = 8 seconds
111 = 8 seconds
3
XOR Test
R/W
Set this bit to 1 to enable the XOR connectivity test.
2
Enable Remote 2 THERM
Events
R/W
This bit enables THERM
 assertions as an output. Functions when the THERM
 timer
is enabled and the Remote 2 temperature exceeeds its THERM
 limit.
1
Enable Remote 1 THERM
Events
R/W
This bit enables THERM
 assertions as an output. Functions when the THERM
 timer
is enabled and the Remote 1 temperature exceeeds its THERM
 limit.
0
Enable Local THERM
Events
R/W
This bit enables THERM
 assertions as an output. Functions when the THERM
 timer
is enabled and the local temperature exceeeds its THERM
 limit.
Table 41. REGISTER 0X05, CONFIGURATION RATE REGISTER, POWER-ON DEFAULT 0X07,
LOCK = Y, S/W RESET = Y
Bit
Name
R/W
Description
7
Res
R
This bit is reserved for future use. Do not write to this bit.
<6:4>
Res
R
Reserved
<3:0>
Conversion Rate
R/W
These four bits set the conversion rate of the ADM1034. Changing these bits does
not update the conversion rate until the start of the next round robin.
0000 = 0.0625 conversions/second
0001 = 0.125 conversions/second
0010 = 0.25 conversions/second
0011 = 0.5 conversions/second
0100 = 1 conversion/second
0101 = 2 conversions/second
0110 = 4 conversions/second
0111 = 8 conversions/second = Default
1000 = 16 conversions/second
1001 = 32 conversions/second
1010 = 64 conversions/second
Table 42. REGISTER 0X06, FAULT QUEUE, POWER-ON DEFAULT 0X01, LOCK = Y, S/W RESET = Y
Bit
Name
R/W
Description
<7:4>
Unused
R
Reserved
<3:0>
Fault Queue Length
R/W
These four bits set the fault queue (the number of out-of-limit measurements made
before an ALERT
 is generated).
000x = 1
001x = 2
01xx = 3
1xxx = 4
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