AT85C5122D-SISUM Atmel, AT85C5122D-SISUM Datasheet - Page 101
AT85C5122D-SISUM
Manufacturer Part Number
AT85C5122D-SISUM
Description
RFID Modules & Development Tools 3-5.5V Smart Card Reader
Manufacturer
Atmel
Datasheet
1.AT85C5122D-SISUM.pdf
(213 pages)
Specifications of AT85C5122D-SISUM
Product
RFID Readers
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AT8xC5122/23
•
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.
101
4202E–SCR–06/06
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