参数资料
型号: TC665EUN
元件分类: 运动控制电子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, PDSO10
封装: PLASTIC, MSOP-10
文件页数: 10/36页
文件大小: 695K
代理商: TC665EUN
TC664/TC665
DS21737A-page 18
2002 Microchip Technology Inc.
6.2
FAN_FAULT Threshold Register
(FAN_FAULT)
The FAN_FAULT Threshold Register is used to set the
fan fault threshold level for the fan. The Fan Fault
Threshold Register is an 8-bit read/writable register
that allows the fan fault RPM threshold to be set in 50
RPM increments. The default setting for the Fan Fault
Register is 500 RPM (0000 1010). The maximum set
point value is 12750 RPM.
If the measured fan RPM (stored in the RPM Register)
drops below the value that is set in the Fan Fault Reg-
ister for more than 2.4 sec, FF (bit 0<0>) in the Status
Register will be set to a '1' and the FAULT output will be
pulled low.
See Register 6-2 for the Fan Fault
Threshold Register 8-bit format.
REGISTER 6-2:
FAN FAULT THRESHOLD REGISTER (FAN_FAULT)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
D(1)
D(0)
RPM
000
00
50
000
10
100
.
...
.
...
.
111
10
12700
111
11
12750
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