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參數(shù)資料
| 型號： | ADM1029ARQZ-R7 |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 33/50頁 |
| 文件大小： | 402K |
| 描述： | IC SENSOR 2TEMP/FAN CTRL 24QSOP |
| 產(chǎn)品變化通告： | QSOP 24ld Pkg (MSL) Change 17/Jun/2010 |
| 標準包裝： | 1,000 |
| 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 ~ 100°C，外部傳感器 |
| 精確度： | ±1°C 本地，±3°C 遠程 |
| 拓撲： | ADC，風(fēng)扇控制，寄存器庫 |
| 輸出類型： | 開路漏極 |
| 輸出警報： | 是 |
| 輸出風(fēng)扇： | 是 |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 100°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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ADM1029
http://onsemi.com
33
CONFIGURATION REGISTERS
Table 16. REGISTER 01H CONFIG REGISTER (POWER-ON DEFAULT 000? 000?)
Bit
Name
R/W
Description
0
Install = ?
R/W
This bit reflects Bit 1 of Register 0x03 (Fans Supported In System).
1
Global INT
mask = 0
R/W
Setting this bit to 1 will disable the INT
output for all interrupt sources.
2
ARA Disable = 0
R/W
Setting this bit to 1 will disable the SMBus Alert Response Address
feature.
3
Perform Free-Wheel Test = 0
R/W
Setting this bit to 1 will initiate the Fan Free-Wheeling Test. While this test
is being performed normal monitoring of fan speeds, temperature and
voltages will be temporarily halted. This bit will automatically reset to 0
once the test is complete which will take about 10 seconds.
4
Start Monitoring = 0
R/W
Set to 1 to start round robin monitoring cycle of voltage temperature and
fan speeds, fault detection, etc. While this bit is 0, all fans will run at Alarm
Speed. This bit is set at power-up; otherwise, if automatic fan speed
control is enabled by Pin 18.
5
Force CFAULT
= 0
R/W
Setting this bit to 1 forces CFAULT
to be asserted (Low).
6
Force INT
= 0
R/W
Setting this bit to 1 forces INT
to be asserted (Polarity depends on Bit 7).
7
INT
Polarity = 0
R/W
Polarity of INT
when asserted. 1 means High and 0 means Low.
NOTE: Question marks on this and following pages indicate bit settings that depend on the state of certain pins on power-up.
Table 17. REGISTER 05H GPIO PRESENT/AIN (POWER-ON DEFAULT 0????111)
Bit
Name
R/W
Description
0
GPIO 0 = 1
R/W
Indicates that GPIO0 is being used. Set to 1 on power-up, but can be
overwritten by software. Setting this bit to 0 means AIN0 is being used.
1
GPIO 1 = 1
R/W
Indicates that GPIO1 is being used. Set to 1 on power-up, but can be
overwritten by software. Setting this bit to 0 means AIN1 is being used.
2
GPIO 2 = 1
R/W
Indicates that GPIO2 is being used. Set to 1 on power-up, but can be
overwritten by software.
3
GPIO 3 = ?
R/W
Indicates that GPIO3 is being used. Setting this bit to 0 means TDM1 is
being used. The ADM1029 can detect on power-up if TDM1 is connected.
If so, this bit is set to 0, otherwise it is set to 1. The default setting can be
overwritten by software.
4
GPIO 4 = ?
R/W
Indicates that GPIO4 is being used. Setting this bit to 0 means TDM1 is
being used. The ADM1029 can detect on power-up if TDM1 is connected.
If so, this bit is set to 0, otherwise it is set to 1. The default setting can be
overwritten by software.
5
GPIO 5 = ?
R/W
Indicates that GPIO5 is being used. Setting this bit to 0 means TDM2 is
being used. The ADM1029 can detect on power-up if TDM2 is connected.
If so, this bit is set to 0, otherwise it is set to 1. The default setting can be
overwritten by software.
6
GPIO 6 = ?
R/W
Indicates that GPIO6 is being used. Setting this bit to 0 means TDM2 is
being used. The ADM1029 can detect on power-up if TDM2 is connected.
If so, this bit is set to 0, otherwise it is set to 1. The default setting can be
overwritten by software.
7
Reserved
R
Unused. Will read back 0.
NOTE: Question marks on this and following pages indicate bit settings that depend on the state of certain pins on power-up.
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