参数资料
型号: ADT7462ZEVB
厂商: ON Semiconductor
文件页数: 64/82页
文件大小: 0K
描述: BOARD EVALUATION FOR ADT7462
产品变化通告: MFG CHG Notification ADI to ON Semi
标准包装: 1
类型: 温度传感器
适用于相关产品: ADT7462
所含物品: 评估板
其它名称: EVAL-ADT7462EBZ
EVAL-ADT7462EBZ-ND
ADT7462
Table 44. REGISTER 0X0C ? DYNAMIC T MIN CONTROL REGISTER 2 (Note 1)
Bit
[2:0]
[5:3]
6
7
Name
CYR1
CYR2
Control Loop
Select
Reserved
R/W
R/W
R/W
R/W
R
Description
Three-bit Remote 1 cycle value. These three bits define the delay time between making
subsequent T MIN adjustments in the control loop for the Remote 1 temperature channel, in
terms of number of monitoring cycles. The system has associated thermal time constants that
must be found to optimize the response of fans and the control loop.
Bits
Decrease cycle
Increase cycle
000
8 cycles (1 sec)
16 cycles (2 sec)
001
16 cycles (2 sec)
32 cycles (4 sec)
010
32 cycles (4 sec)
64 cycles (8 sec)
011
64 cycles (8 sec)
128 cycles (16 sec)
100
128 cycles (16 sec)
256 cycles (32 sec)
101
256 cycles (32 sec)
512 cycles (64 sec)
110
512 cycles (64 sec)
1024 cycles (128 sec)
111
1024 cycles (128 sec)
2048 cycles (256 sec)
Three-bit Remote 2 cycle value. These three bits define the delay time between making
subsequent T MIN adjustments in the control loop for the Remote 2 temperature channel, in
terms of number of monitoring cycles. The system has associated thermal time constants that
must be found to optimize the response of fans and the control loop.
Bits
Decrease cycle
Increase Cycle
000
8 cycles (1 sec)
16 cycles (2 sec)
001
16 cycles (2 sec)
32 cycles (4 sec)
010
32 cycles (4 sec)
64 cycles (8 sec)
011
64 cycles (8 sec)
128 cycles (16 sec)
100
128 cycles (16 sec)
256 cycles (32 sec)
101
256 cycles (32 sec)
512 cycles (64 sec)
110
512 cycles (64 sec)
1024 cycles (128 sec)
111
1024 cycles (128 sec)
2048 cycles (256 sec)
This bit allows the user to select between two control loops. 0 makes the control loop
backwards compatible with the ADT7463 and ADT7468. 1 = ADT7462 control loop (Default).
Reserved for future use.
1. POR = 0x40, Lock = Y, SW Reset = Y.
Table 45. REGISTER 0X0D ? THERM CONFIGURATION REGISTER (Note 1)
Bit
0
1
[4:2]
[7:5]
Name
Boost 1
Boost 2
THERM1 Timer
Window
THERM2 Timer
Window
R/W
R/W
R/W
R/W
R/W
Description
Setting this bit to 0 causes the fans to go to maximum PWM on assertion of THERM1 as an
output. Setting this bit to 1 means that the fan speed is not affected when the THERM1
temperature limit is exceeded. Default = 0.
Setting this bit to 0 causes the fans to go to maximum PWM on assertion of THERM2 as an
output. Setting this bit to 1 means that the fan speed is not affected when the THERM2
temperature limit is exceeded. Default = 0.
These bits set the timer window for measuring THERM1 assertions.
000 = 0.25 sec
001 = 0.5 sec
010 = 1 sec
011 = 2 sec
100 = 4 sec
101 = 8 sec
110 = 8 sec
111 = 8 sec
These bits set the timer window for measuring THERM2 assertions.
000 = 0.25 sec
001 = 0.5 sec
010 = 1 sec
011 = 2 sec
100 = 4 sec
101 = 8 sec
110 = 8 sec
111 = 8 sec
1. POR = 0x00, Lock = Y, SW Reset = Y.
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