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VNC2-48Q1B-TRAY 参数 Datasheet PDF下载

VNC2-48Q1B-TRAY图片预览
型号: VNC2-48Q1B-TRAY
PDF下载: 下载PDF文件 查看货源
内容描述: [Vinculum-II Embedded Dual USB Host Controller IC]
分类和应用:
文件页数/大小: 88 页 / 2234 K
品牌: FTDI [ FUTURE TECHNOLOGY DEVICES INTERNATIONAL LTD. ]
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Datasheet  
Vinculum-II Embedded Dual USB Host Controller IC  
Version 1.7  
Document No.: FT_000138 Clearance No.: FTDI#143  
The command and status formats for this mode can be seen in Figure 6.7 below with a description of  
each field in Table 6.6:  
Command:  
Status:  
A2  
Z
A1  
Z
A0  
Z
R/W#  
Z
Z
Z
Z
Z
Z
TXE  
RXF  
ACK  
Figure 6.7 SPI Command and Status Structure  
Field  
Description  
Address of slave being used in a multi-slave environment. This would typically be used in the  
scenario where a shareddata busis used.  
A2:A0  
R/W#  
Z
Set to ‘1’ for a read and ‘0’ for a write.  
Tri-stated.  
Transmit Empty.  
TXE  
When ‘1’ the Slave transmit bufferhas no new data to transmit.  
When ‘0’ the Slave transmit bufferdoes have new data.  
Receive Full.  
RXF  
When ‘1’ the Slave receive buffer has new data which has not been read yet.  
When ‘0’ the Slave receive buffer is empty and canbe safely written to.  
ACK  
Set to ‘1’ when a Slave has correctly decodedits address.  
Table 6.6 SPI Command and Status Fields  
44  
Copyright © Future Technology Devices International Limited  
 
 
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