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AT89C5122D-RDRUM 数据表(PDF) 99 Page - ATMEL Corporation

部件名 AT89C5122D-RDRUM
功能描述  C51 Microcontroller with USB and Smart Card Reader Interfaces
PDF  208 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT89C5122D-RDRUM 数据表(HTML) 99 Page - ATMEL Corporation

Back Button AT89C5122D-RDRUM Datasheet HTML 95Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 96Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 97Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 98Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 99Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 100Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 101Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 102Page - ATMEL Corporation AT89C5122D-RDRUM Datasheet HTML 103Page - ATMEL Corporation Next Button
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AT83R5122, AT8xC5122/23
4202F–SCR–07/2008
Endpoint FIFO reset
Before using an endpoint, its FIFO should be reset. This action resets the FIFO pointer
to its original value, resets the byte counter of the endpoint (UBYCTX register), and
resets the data toggle bit (DTGL bit in UEPCONX).
The reset of an endpoint FIFO is performed by setting to 1 and resetting to 0 the corre-
sponding bit in the UEPRST register.
For example, in order to reset the Endpoint number 2 FIFO, write 0000 0100b then 0000
0000b in the UEPRST register.



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