at32uc3b0512-z2ues ATMEL Corporation, at32uc3b0512-z2ues Datasheet - Page 467

• Manufacturer Part Number: at32uc3b0512-z2ues
• Description: 32-bit Avr Microcontroller
• Manufacturer: ATMEL Corporation

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32059J–12/2010
PTOKEN: Pipe Token
PSIZE: Pipe Size
PBK: Pipe Banks
ALLOC: Pipe Memory Allocate
0
0
0
0
1
1
1
1
This field contains the endpoint token.
This field contains the size of each pipe bank.
This field is cleared upon sending a USB reset.
This field contains the number of banks for the pipe.
For control endpoints, a single-bank pipe (0b00) should be selected.
This field is cleared upon sending a USB reset.
Writing a one to this bit will allocate the pipe memory.
Writing a zero to this bit will free the pipe memory.
This bit is cleared when a USB Reset is requested.
Refer to the DPRAM Management chapter for more details.
0
0
1
1
PTOKEN
PSIZE
PBK
00
01
10
11
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
Endpoint Direction
SETUP
IN
OUT
reserved
Endpoint Size
8 bytes
16 bytes
32 bytes
64 bytes
128 bytes
256 bytes
512 bytes
1024 bytes
Endpoint Banks
1 (single-bank pipe)
2 (double-bank pipe)
3 (triple-bank pipe)
Reserved
AT32UC3B
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