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SAM7S256_14 Datasheet, PDF (528/775 Pages) ATMEL Corporation – ARM-based Flash MCU | |||
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35.6.9 UDP Reset Endpoint Register
Register Name:
UDP_ RST_EP
Access Type:
Read-write
31
30
29
28
27
26
25
24
â
â
â
â
â
â
â
â
23
22
21
20
19
18
17
16
â
â
â
â
â
â
â
â
15
14
13
12
11
10
9
8
â
â
â
â
â
â
â
â
7
6
5
4
3
2
1
0
EP3
EP2
EP1
EP0
⢠EP0: Reset Endpoint 0
⢠EP1: Reset Endpoint 1
⢠EP2: Reset Endpoint 2
⢠EP3: Reset Endpoint 3
This flag is used to reset the FIFO associated with the endpoint and the bit RXBYTECOUNT in the register UDP_CSRx.It
also resets the data toggle to DATA0. It is useful after removing a HALT condition on a BULK endpoint. Refer to Chapter
5.8.5 in the USB Serial Bus Specification, Rev.2.0.
Warning: This flag must be cleared at the end of the reset. It does not clear UDP_ CSRx flags.
0 = No reset.
1 = Forces the corresponding endpoint FIF0 pointers to 0, therefore RXBYTECNT field is read at 0 in UDP_ CSRx register.
SAM7S Series [DATASHEET]
6175MâATARMâ26-Oct-12
528
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