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USB4604-1080HN-TR 参数 Datasheet PDF下载

USB4604-1080HN-TR图片预览
型号: USB4604-1080HN-TR
PDF下载: 下载PDF文件 查看货源
内容描述: USB 2.0 HSIC高速4端口集线器控制器 [USB 2.0 HSIC Hi-Speed 4-Port Hub Controller]
分类和应用: 外围集成电路数据传输控制器
文件页数/大小: 71 页 / 1039 K
品牌: SMSC [ SMSC CORPORATION ]
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USB 2.0 HSIC Hi-Speed 4-Port Hub Controller  
Datasheet  
9.5.7  
SPI Timing  
The following specifies the SPI timing requirements for the device.  
tceh  
SPI_CE_N  
tfc  
tcel  
SPI_CLK  
SPI_DI  
tclq  
tdh  
tos toh  
tov  
toh  
SPI_DO  
Figure 9.3 SPI Timing  
Note: The SPI can be configured for 30 MHz or 60 MHz operation via the SPI_SPD_SEL  
configuration strap. 30 MHz operation timing values are shown in Table 9.10. 60 MHz operation  
timing values are shown in Table 9.11.  
Table 9.10 SPI Timing Values (30 MHz Operation)  
SYMBOL  
DESCRIPTION  
MIN  
TYP  
MAX  
UNITS  
tfc  
tceh  
tclq  
tdh  
Clock frequency  
30  
MHz  
ns  
Chip enable (SPI_CE_EN) high time  
Clock to input data  
100  
13  
ns  
Input data hold time  
0
5
ns  
tos  
Output setup time  
ns  
toh  
tov  
tcel  
tceh  
Output hold time  
5
ns  
Clock to output valid  
4
ns  
Chip enable (SPI_CE_EN) low to first clock  
Last clock to chip enable (SPI_CE_EN) high  
12  
12  
ns  
ns  
Revision 1.0 (06-17-13)  
66  
SMSC USB4604  
DATASHEET