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90USB1287-16AU 参数 Datasheet PDF下载

90USB1287-16AU图片预览
型号: 90USB1287-16AU
PDF下载: 下载PDF文件 查看货源
内容描述: 单片机具有ISP功能的Flash和USB控制器64 / 128K字节 [Microcontroller with 64/128K Bytes of ISP Flash and USB Controller]
分类和应用: 微控制器
文件页数/大小: 434 页 / 3172 K
品牌: ATMEL [ ATMEL ]
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AT90USB64/128  
External 3.0V - 3.4V  
Power Supply  
UVCC  
AVCC  
DVCC  
UCAP  
1µF  
VBUS  
UDM  
UDP  
UVSS  
UID  
VBUS  
D+  
D-  
UVSS  
UID  
XTAL1  
XTAL2  
AVSS  
DVSS  
External 5.0V  
Power Supply  
5V  
UVCC  
AVCC  
DVCC  
UCAP  
1µF  
UVCON  
VBUS  
UDM  
UDP  
UVSS  
UID  
VBUS  
D+  
D-  
UVSS  
UID  
XTAL1  
XTAL2  
AVSS  
DVSS  
21.4 General Operating Modes  
21.4.1  
Introduction  
After a hardware reset, the USB controller is disabled. When enabled, the USB controller has to  
run the Device Controller or the Host Controller. This is performed using the ID detection.  
• If the ID pin is not connected to ground, the ID bit is set by hardware (internal pull up on the  
UID pad) and the USB Device controller is selected.  
251  
7593A–AVR–02/06  
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