參數(shù)資料
型號: IT8673F
廠商: Electronic Theatre Controls, Inc.
英文描述: GT 35C 35#12 SKT PLUG
中文描述: 先進(jìn)的輸入/輸出(高級I / O)的初步規(guī)范V0.5
文件頁數(shù): 56/128頁
文件大?。?/td> 780K
代理商: IT8673F
IT8673F
6
46
11.3.2.2.8 FAN Tachometer Divisor Register (Index=47h, Default=5Xh)
Bit R/W
Description
7-6
R/W FAN Tachometer Count 2 divisor
00: divided by 1
01: divided by 2
10: divided by 4
11: divided by 8
5-4
R/W FAN Tachometer Count 1 divisor
00: divided by 1
01: divided by 2
10: divided by 4
11: divided by 8
3-0
R
Reserved
11.3.2.2.9 FAN Control Register (Index=51h, Default=00h)
Bit R/W
Description
7-6
R/W FAN control registers set selection
00: FAN_CTL1
01: FAN_CTL2
10: FAN_CTL3
11: reserved
5
-
Reserved. Should be fixed at 0.
4
R/W ON/OFF control of FAN_CTL3. This bit is used to control FAN_CTL3 when FAN_CTL3 mode is set
on ON_OFF mode (Bit 2 of this register is set to 0).
0: OFF. 1: ON.
3
R/W ON/OFF control of FAN_CTL2. This bit is used to control FAN_CTL2 when FAN_CTL2 mode is set
on ON_OFF mode (Bit 1 of this register is set to 0).
0: OFF. 1: ON.
2
R/W FAN_CTL3 mode.
0: ON_OFF mode. 1: PWM mode.
1
R/W FAN_CTL2 mode.
0: ON_OFF mode. 1: PWM mode.
0
R/W FAN_CTL1 mode.
0: ON_OFF mode. 1: PWM mode.
11.3.2.2.10
The Sex X is determined in the FAN Control Register bits 7-6.
Bit R/W
FAN Set X PWM Control Register (Index=52h, Default=00h)
Description
7
R/W Reserved. Should write a “0”.
6-0
R/W PWM value. There are 128 steps of the FAN_CTL output pin are provided to control fan speeds.
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