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參數(shù)資料
| 型號： | ADT7463 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | dB COOL Remote Thermal Controller and Voltage Monitor |
| 中文描述： | 分貝超酷的遠(yuǎn)程熱控制器和電壓監(jiān)視器 |
| 文件頁數(shù)： | 45/53頁 |
| 文件大小： | 719K |
| 代理商： | ADT7463 |
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REV. 0
ADT7463
–45–
Table XXXI. Register 0x73 – Configuration Register 2 (Power-On Default = 0x00)
Bit
0
Name
AIN1
R/W
*
Read/Write
Description
AIN1 = 0, Speed of 3-wire fans measured using the TACH output from the fan.
AIN1 = 1, Pin 11 is reconfigured to measure the speed of 2-wire fans using an external
sensing resistor and coupling capacitor. AIN voltage threshold is set via Configuration
Register 4 (Reg. 0x7D).
AIN2 = 0, Speed of 3-wire fans measured using the TACH output from the fan.
AIN2 = 1, Pin 12 is reconfigured to measure the speed of 2-wire fans using an external
sensing resistor and coupling capacitor. AIN voltage threshold is set via Configuration
Register 4 (Reg. 0x7D).
AIN3 = 0, Speed of 3-wire fans measured using the TACH output from the fan.
AIN3 = 1, Pin 9 is reconfigured to measure the speed of 2-wire fans using an external
sensing resistor and coupling capacitor. AIN voltage threshold is set via Configuration
Register 4 (Reg. 0x7D).
AIN4 = 0, Speed of 3-wire fans measured using the TACH output from the fan.
AIN4 = 1, Pin 14 is reconfigured to measure the speed of 2-wire fans using an external
sensing resistor and coupling capacitor. AIN voltage threshold is set via Configuration
Register 4 (Reg. 0x7D).
AVG = 1, Averaging on the temperature and voltage measurements is turned off. This
allows measurements on each channel to be made much faster.
ATTN = 1, the ADT7463 removes the attenuators from the 2.5 V, V
CCP
, 5 V, and
12 V inputs. The inputs can be used for other functions such as connecting up external
sensors.
CONV = 1, the ADT7463 is put into a single-channel ADC Conversion Mode. In this
mode, the ADT7463 can be made to read continuously from one input only, e.g.,
Remote 1 Temperature. It is also possible to start ADC conversions using an external
clock on Pin 11 by setting Bit 2 of Test Register 2 (Reg. 0x7F). This mode could be
useful if, for example, you wanted to characterize/profile CPU temperature quickly. The
appropriate ADC channel is selected by writing to Bits <7:5> of TACH1 Min High
Byte Register (0x55).
Bits <7:5> Reg 0x55
Channel Selected
000
2.5 V
001
V
CCP
010
V
CC
(3.3 V)
011
5 V
100
12 V
101
Remote 1 Temp
110
Local Temp
111
Remote 2 Temp
SHDN = 1, ADT7463 goes into Shutdown Mode. All PWM outputs assert low (or high
depending on state of INV bit) to switch off all fans. The PWM Current Duty Cycle
registers read 0x00 to indicate that the fans are not being driven.
1
AIN2
Read/Write
2
AIN3
Read/Write
3
AIN4
Read/Write
4
AVG
Read/Write
5
ATTN
Read/Write
6
CONV
Read/Write
7
SHDN
Read/Write
*
This register becomes read-only when the Configuration Register 1 Lock bit is set to 1. Any further attempts to write to this register will have no effect.
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| ADT7463ARQ | 功能描述:IC REMOTE THERMAL CTRLR 24-QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:dBCool® 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠(yuǎn)程（最大值） 拓?fù)?ADC，比較器，寄存器庫 輸出類型:2 線 SMBus? 輸出警報:無 輸出風(fēng)扇:無 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱:296-22675-6 |
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