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F81866A 参数 Datasheet PDF下载

F81866A图片预览
型号: F81866A
PDF下载: 下载PDF文件 查看货源
内容描述: 6个UART超级IO 128字节FIFO和电源 [6 UARTs Super IO With 128 Bytes FIFO and Power]
分类和应用: 先进先出芯片
文件页数/大小: 210 页 / 1806 K
品牌: FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
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F81866A  
7.8.2Base Address High Register Index 60h  
Bit  
Name  
R/W Reset Default  
Description  
7-0  
BASE_ADDR_HI  
R/W 5VSB 00h The MSB of WDT base address.  
7.8.3Base Address Low Register Index 61h  
Bit  
Name  
R/W Reset Default  
R/W 5VSB 00h The LSB of WDT base address.  
Description  
Description  
7-0  
BASE_ADDR_LO  
7.8.4Watchdog Control Configuration Register 1 Index F5h  
Bit  
Name  
R/W Reset Default  
Reserved  
7
Reserved  
R
-
0
0
If watchdog timeout event occurred, this bit will be set to 1. Write a 1 to this  
bit will clear it to 0.  
6
WDTMOUT_STS  
R/W 5VSB  
If this bit is set to 1, the counting of watchdog time is enabled.  
5
4
3
WD_EN  
WD_PULSE  
WD_UNIT  
R/W 5VSB  
R/W 5VSB  
R/W 5VSB  
0
0
0
Select output mode (0: level, 1: pulse) of RSTOUT# by setting this bit.  
Select time unit (0: 1sec, 1: 60 sec) of watchdog timer by setting this bit.  
Select output polarity of RSTOUT# (1: high active, 0: low active) by setting  
this bit.  
2
WD_HACTIVE  
R/W 5VSB  
0
Select output pulse width of RSTOUT#  
1-0  
WD_PSWIDTH  
R/W 5VSB  
0
0: 1 ms  
2: 125 ms  
1: 25 ms  
3: 5 sec  
7.8.5Watchdog Timer Configuration Register 2 Index F6h  
Bit  
Name  
R/W Reset Default  
Description  
Description  
Time of watchdog timer (0~255)  
7-0  
WD_TIME  
R/W 5VSB  
0
7.8.6Watchdog PME Enable Configuration Register 2 Index FAh  
Bit  
Name  
R/W Reset Default  
0: No WDT PME occurred.  
1: WDT PME occurred.  
7
WDT_PME  
R
5VSB  
0
The WDT PME is occurred one unit before WDT timeout.  
0: Disable Watchdog PME.  
1: enable Watchdog PME.  
6
5
WDT_PME_EN  
Reserved  
R/W 5VSB  
0
0
Reserved  
R
-
WDT Clock Source Select  
0: Internal 1KHz clock.  
1: 1KHZ clock driven by CLKIN.  
Reserved  
4
WDT_CLK_SEL  
R/W 5VSB  
1
3-1  
0
Reserved  
R
-
0
0
0: disable Watchdog time out output via WDTRST#.  
1: enable Watchdog time out output via WDTRST#.  
WDOUT_EN  
R/W 5VSB  
167  
Jan, 2012  
V0. 12P  
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