SAM3SD8C Atmel Corporation, SAM3SD8C Datasheet - Page 982

• Manufacturer Part Number: SAM3SD8C
• Manufacturer: Atmel Corporation

36.7.9
Name:
Address:
Access:
• EP0: Reset Endpoint 0
• EP1: Reset Endpoint 1
• EP2: Reset Endpoint 2
• EP3: Reset Endpoint 3
• EP4: Reset Endpoint 4
• EP5: Reset Endpoint 5
• EP6: Reset Endpoint 6
• EP7: Reset Endpoint 7
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.
Resetting the endpoint is a two-step operation:
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1. Set the corresponding EPx field.
2. Clear the corresponding EPx field.
EP7
31
23
15
–
–
–
7
SAM3S8/SD8
SAM3S8/SD8
UDP Reset Endpoint Register
EP6
30
22
14
UDP_RST_EP
0x40034028
Read-write
–
–
–
6
EP5
29
21
13
–
–
–
5
EP4
28
20
12
–
–
–
4
EP3
27
19
11
–
–
–
3
EP2
26
18
10
–
–
–
2
EP1
25
17
–
–
9
–
1
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
EP0
24
16
–
–
8
–
0