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| 型號： | ADM1027ARQZ-RL7 |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 53/56頁 |
| 文件大?。?/td> | 1822K |
| 描述： | IC REMOTE THERMAL CTLR 24QSOP |
| 產(chǎn)品變化通告： | MFG CHG Notification ADI to ON Semi Product Discontinuation Notice 25/Aug/2008 Product Obsolescence 30/Sept/2009 |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | dBCool® |
| 功能： | 風(fēng)扇控制，溫度監(jiān)控器 |
| 傳感器類型： | 內(nèi)部和外部 |
| 感應(yīng)溫度： | 0°C ~ 105°C，外部傳感器 |
| 精確度： | ±1°C |
| 拓?fù)洌?/td> | ADC，比較器，風(fēng)扇速度計數(shù)器，多路復(fù)用器，寄存器庫 |
| 輸出類型： | SMBus? |
| 輸出警報： | 無 |
| 輸出風(fēng)扇： | 是 |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-QSOP |
| 包裝： | 帶卷 (TR) |
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REV. A
ADM1027
53
Table XXIX. Register 0x74 Interrupt Mask Register 1 (Power-On Default <7:0> = 0x00)
Bit
Name
R/W
Description
0
2.5 V
Read/Write
A 1 masks SMBALERT for out-of-limit conditions on the 2.5 V channel.
1
V
CCP
Read/Write
A 1 masks SMBALERT for out-of-limit conditions on the V
CCP
channel.
2
V
CC
Read/Write
A 1 masks SMBALERT for out-of-limit conditions on the V
CC
channel.
3
5 V
Read/Write
A 1 masks SMBALERT for out-of-limit conditions on the 5 V channel.
4
R1T
Read/Write
A 1 masks SMBALERT for out-of-limit conditions on the Remote 1 temperature channel.
5
LT
Read/Write
A 1 masks SMBALERT for out-of-limit conditions on the local temperature channel.
6
R2T
Read/Write
A 1 masks SMBALERT for out-of-limit conditions on the Remote 2 temperature channel.
7
OOL
Read/Write
This bit needs to be set to 1 to allow masking in the Interrupt Mask Register 2. If this bit
is not set to 1, then setting a bit in Mask Register 2 will have no effect.
Table XXX. Register 0x75 Interrupt Mask Register 2 (Power-On Default <7:0> = 0x00)
Bit
Name
R/W
Description
0
12 V
Read/Write
A 1 masks SMBALERT for out-of-limit conditions on the 12 V channel.
1
OVT
Read-Only
A 1 masks SMBALERT for overtemperature THERM conditions.
2
FAN1
Read/Write
A 1 masks SMBALERT for a Fan 1 fault.
3
FAN2
Read/Write
A 1 masks SMBALERT for a Fan 2 fault.
4
FAN3
Read/Write
A 1 masks SMBALERT for a Fan 3 fault.
5
FAN4
Read/Write
A 1 masks SMBALERT for a Fan 4 fault.
6
D1
Read/Write
A 1 masks SMBALERT for a diode open or short on Remote 1 channel.
7
D2
Read/Write
A 1 masks SMBALERT for a diode open or short on Remote 2 channel.
Table XXXI. Register 0x76 Extended Resolution Register 1
Bit
Name
R/W
Description
<1:0>
2.5 V
Read-Only
2.5 V LSBs. Holds the 2 LSBs of the 10-bit 2.5 V measurement.
<3:2>
V
CCP
Read-Only
V
CCP
LSBs. Holds the 2 LSBs of the 10-bit V
CCP
measurement.
<5:4>
V
CC
Read-Only
V
CC
LSBs. Holds the 2 LSBs of the 10-bit V
CC
measurement.
<7:6>
5 V
Read-Only
5 V LSBs. Holds the 2 LSBs of the 10-bit 5 V measurement.
If this register is read, this register and the registers holding the MSB of each reading are frozen until read.
Table XXXII. Register 0x77 Extended Resolution Register 2
Bit
Name
R/W
Description
<1:0>
12 V
Read-Only
12 V LSBs. Holds the 2 LSBs of the 10-bit 12 V measurement.
<3:2>
TDM1
Read-Only
Remote 1 temperature LSBs. Holds the 2 LSBs of the 10-bit Remote 1 temperature
measurement.
<5:4>
LTMP
Read-Only
Local temperature LSBs. Holds the 2 LSBs of the 10-bit local temperature measurement.
<7:6>
TDM2
Read-Only
Remote 2 temperature LSBs. Holds the 2 LSBs of the 10-bit Remote 2 temperature
measurement.
If this register is read, this register and the registers holding the MSB of each reading are frozen until read.
Rev. 3 | Page 53 of 56 | www.onsemi.com
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