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F81867D-I 参数 Datasheet PDF下载

F81867D-I图片预览
型号: F81867D-I
PDF下载: 下载PDF文件 查看货源
内容描述: 6个UART μSuper IO 128字节FIFO和省电功能 [6 UARTs μSuper IO With 128 Bytes FIFO and Power Saving Functions]
分类和应用: 先进先出芯片
文件页数/大小: 315 页 / 2394 K
品牌: FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
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F81867  
Auto FAN1 and FAN2 Boundary Hystersis Select Register Index 98h  
Bit  
Name  
R/W Reset Default  
Description  
Boundary hysteresis. (0~15ºC)  
7-4  
FAN2_HYS  
R/W  
4h  
4h  
Segment will change when the temperature over the boundary  
temperature and below the (boundary – hysteresis).  
Boundary hysteresis. (0~15ºC)  
5VSB  
3-0  
FAN1_HYS  
R/W 5VSB  
Segment will change when the temperature over the boundary  
temperature and below the (boundary – hysteresis).  
Auto FAN3 Boundary Hystersis Select Register Index 99h  
Bit  
Name  
R/W Reset Default  
Description  
7-4  
Reserved  
-
-
Reserved.  
-
Boundary hysteresis. (0~15ºC)  
3-0  
FAN3_HYS  
R/W 5VSB  
2h  
Segment will change when the temperature over the boundary  
temperature and below the (boundary – hysteresis).  
Fan3 Control Register Index 9Ah  
Bit  
Name  
R/W Reset Default  
Description  
7
Reserved  
-
-
Reserved.  
-
This bit and FAN3_PWM_FREQ_SEL are used to select FAN3 PWM  
frequency. NEW_FREQ_SEL3 = { FREQ_SEL_ADD3,  
FAN3_PWM_FREQ_SEL}  
6
FREQ_SEL_ADD3  
R/W 5VSB  
0
00: 23.5 KHz  
01: 11.75 KHz  
10: 5.875 KHz  
11: 220 Hz  
This bit and FAN2_PWM_FREQ_SEL are used to select FAN2 PWM  
frequency. NEW_FREQ_SEL2 = { FREQ_SEL_ADD2,  
FAN2_PWM_FREQ_SEL}  
00: 23.5 KHz  
5
FREQ_SEL_ADD2  
R/W 5VSB  
0
01: 11.75 KHz  
10: 5.875 KHz  
11: 220 Hz  
71  
Dec, 2011  
V0.12P  
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