at91cap7e ATMEL Corporation, at91cap7e Datasheet - Page 464

• Manufacturer Part Number: at91cap7e
• Description: Customizable Microcontroller
• Manufacturer: ATMEL Corporation

31.6.11
Register Name:
Access Type:
• FIFO_DATA[7:0]: FIFO Data Value
The microcontroller can push or pop values in the FIFO through this register.
RXBYTECNT in the corresponding UDP_ CSRx register is the number of bytes to be read from the FIFO (sent by the host).
The maximum number of bytes to write is fixed by the Max Packet Size in the Standard Endpoint Descriptor. It can not be
more than the physical memory size associated to the endpoint. Refer to the Universal Serial Bus Specification, Rev. 2.0
for more information.
464
31
23
15
–
–
–
7
AT91CAP7E
UDP FIFO Data Register
30
22
14
–
–
–
6
29
21
13
–
–
–
5
UDP_ FDRx [x = 0..5]
Read/Write
28
20
12
–
–
–
4
FIFO_DATA
27
19
11
–
–
–
3
26
18
10
–
–
–
2
25
17
–
–
9
–
1
8549A–CAP–10/08
24
16
–
–
8
–
0