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參數(shù)資料
| 型號： | ASC7611 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | HARDWARE MONITOR WITH INTEGRATED FAN CONTROL |
| 中文描述： | 五金顯示器整合了風(fēng)扇控制 |
| 文件頁數(shù)： | 31/40頁 |
| 文件大?。?/td> | 505K |
| 代理商： | ASC7611 |
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P
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- 31 -
Andigilog, Inc. 2006
www.andigilog.com
October 2006 - 70A05007
aSC7611
Register 38-3Ah: Maximum PWM Duty Cycle
Register
Address
Read/
Write
Register Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
38h
R/W
Fan 1 Max Duty
Cycle
7
6
5
4
3
2
1
0
FF
39h
R/W
Fan 2 Max Duty
Cycle
Fan 3 Max Duty
Cycle
7
6
5
4
3
2
1
0
FF
3Ah
R/W
7
6
5
4
3
2
1
0
FF
The Maximum PWM Duty registers store the maximum duty cycle that may be commanded at each PWM output under
automatic fan control. This value is overridden to 100% when the assigned zone’s temperature has exceeded the Absolute
Maximum Temperature setting. When temperature falls below Absolute Maximum, PWM command will resume the linear
ramp only after it has fallen by the Thermal Zone Hysteresis value (Registers 6D-6Eh). Values follow the representation in
Table 10.
Register 67-69h: Temperature Limit
Register
Address
Read/
Write
Register
Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
Lock
67h
R/W
Zone1 Fan
Temp Limit
7
6
5
4
3
2
1
0
5A
X
68h
R/W
Zone2 Fan
Temp Limit
7
6
5
4
3
2
1
0
5A
X
69h
R/W
Zone 3 Fan
Temp Limit
7
6
5
4
3
2
1
0
5A
X
These are the temperature limits for the individual zones. When the current temperature equals this limit, the fan will be
turned on if it is not already. When the temperature exceeds this limit, the fan speed will be increased according to the
algorithm set forth in the Auto Fan Range, PWM Frequency register description, Default = 90
°
C = 5Ah
This register becomes read-only when the Ready/Lock/Start/Override register Lock bit is set. Any further attempts to write to
this register shall have no effect.
Temperature
Fan Temp Limit
(2’s Complement)
>127
°
C
+127
°
C
+125
°
C
+90
°
C (default)
+50
°
C
+25
°
C
0
°
C
-50
°
C
-127
°
C
0111
0111
0111
0101
0011
0001
0000
1100
1000
1111
1111
1101
1010
0010
1001
0000
1110
0001
Table 17 Fan Temperature Limit Register -
8-Bit Two’s Complement
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