Atmel SAM9X25, Manual

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11054A–ATARM–27-Jul-11
SAM9X25
578
11054A–ATARM–27-Jul-11
SAM9X25
33.7.11 UDPHS Endpoint Configuration Register
Name: UDPHS_EPTCFGx [x=0..6]
Address: 0xF803C100 [0], 0xF803C120 [1], 0xF803C140 [2], 0xF803C160 [3], 0xF803C180 [4], 0xF803C1A0 [5],
0xF803C1C0 [6]
Access: Read-write
• EPT_SIZE: Endpoint Size
Set this field according to the endpoint size in bytes (see Section 33.6.5 ”Endpoint Configuration” ).
Endpoint Size
(1)
Note: 1. 1024 bytes is only for isochronous endpoint.
• EPT_DIR: Endpoint Direction
0 = Clear this bit to configure OUT direction for Bulk, Interrupt and Isochronous endpoints.
1 = set this bit to configure IN direction for Bulk, Interrupt and Isochronous endpoints.
For Control endpoints this bit has no effect and should be left at zero.
• EPT_TYPE: Endpoint Type
Set this field according to the endpoint type (see Section 33.6.5 ”Endpoint Configuration” ).
(Endpoint 0 should always be configured as control)
31 30 29 28 27 26 25 24
EPT_MAPD – – – – – – –
23 22 21 20 19 18 17 16
– – – – – – – –
15 14 13 12 11 10 9 8
– – – – – – NB_TRANS
7 6 5 4 3 2 1 0
BK_NUMBER EPT_TYPE EPT_DIR EPT_SIZE
Value Name Description
0 8 8 bytes
1 16 16 bytes
2 32 32 bytes
3 64 64 bytes
4 128 128 bytes
5 256 256 bytes
6 512 512 bytes
7 1024 1024 bytes