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F81866AD-I 参数 Datasheet PDF下载

F81866AD-I图片预览
型号: F81866AD-I
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  
5.2 Clock  
Pin  
Pin Name  
Type  
PWR  
Description  
32  
PCICLK  
INst  
3VCC 33MHz PCI clock input.  
System clock input. According to the input frequency  
14.318/24/48MHz (default 48MHz).  
33  
CLKIN  
INst  
3VCC  
5.3 LPC Interface  
Pin Name  
Pin  
Type  
PWR  
Description  
Reset signal. It can connect to PCIRST# signal on the  
host.  
23  
LRESET#  
INst  
3VCC  
24  
25  
LDRQ#  
O16  
3VCC Encoded DMA Request signal.  
3VCC Serial IRQ input/Output.  
SERIRQ  
I/O16st  
Indicates start of a new cycle or termination of a broken  
26  
LFRAME#  
INst  
3VCC  
cycle.  
These signal lines communicate address, control, and  
3VCC data information over the LPC bus between a host and  
a peripheral.  
27-30  
32  
LAD[0:3]  
PCICLK  
I/O16st  
INst  
3VCC 33MHz PCI clock input.  
5.4 FDC, & GPIO  
Pin  
Pin Name  
Type  
PWR  
Description  
General Purpose IO.  
I/OOD14st, 5v  
GPIO50  
Drive Density Select.  
OD14  
Set to 1 – High data rate.(500Kbps, 1Mbps)  
Set to 0 – Low data rate. (250Kbps, 300Kbps)  
UART Request To Send. An active low signal  
informs the modem or data set that the controller is  
ready to send data.  
,5v  
DENSEL#  
RTS6#  
9
3VCC  
O14  
I/OOD14st, 5v  
General Purpose IO.  
GPIO51  
MOA#  
Motor A On. When set to 0, this pin enables disk  
drive 0. This is an open drain output.  
UART Serial Input. Used to receive serial data  
through the communication link.  
OD14  
,5v  
10  
11  
12  
3VCC  
3VCC  
3VCC  
INst,5v  
SIN6  
GPIO52  
I/OOD14st, 5v  
General Purpose IO.  
Drive Select A. When set to 0, this pin enables disk  
drive A. This is an open drain output.  
UART Serial Output. Used to transmit serial data  
out to the communication link.  
DRVA#  
OD14  
,5v  
SOUT6  
GPIO53  
O14  
I/OOD14st, 5v  
General Purpose IO.  
Write data. This logic low open drain writes  
pre-compensation serial data to the selected FDD.  
An open drain output.  
WDATA#  
DCD6#  
OD14  
,5v  
INst,5v  
Data Carrier Detect. An active low signal indicates  
18  
Jan, 2012  
V0. 12P  
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