Atmel Evaluation Kit AT91SAM9X35-EK AT91SAM9X35-EK Data Sheet
Product codes
AT91SAM9X35-EK
539
SAM9X35 [DATASHEET]
11055E–ATARM–10-Mar-2014
Endpoint Type
• BK_NUMBER: Number of Banks
Set this field according to the endpoint’s number of banks (see
Number of Banks
• NB_TRANS: Number Of Transaction per Microframe
The Number of transactions per microframe is set by software.
Note:
Note:
Meaningful for high bandwidth isochronous endpoint only.
• EPT_MAPD: Endpoint Mapped
0 = The user should reprogram the register with correct values.
1 = Set by hardware when the endpoint size (EPT_SIZE) and the number of banks (BK_NUMBER) are correct regarding:
– The fifo max capacity (FIFO_MAX_SIZE in UDPHS_IPFEATURES register)
– The number of endpoints/banks already allocated
– The number of allowed banks for this endpoint
Value
Name
Description
0
CTRL8
Control endpoint
1
ISO
Isochronous endpoint
2
BULK
Bulk endpoint
3
INT
Interrupt endpoint
Value
Name
Description
0
0
Zero bank, the endpoint is not mapped in memory
1
1
One bank (bank 0)
2
2
Double bank (Ping-Pong: bank0/bank1)
3
3
Triple bank (bank0/bank1/bank2)