Atmel Evaluation Kit AT91SAM9X35-EK AT91SAM9X35-EK Data Sheet
Product codes
AT91SAM9X35-EK
556
SAM9X35 [DATASHEET]
11055E–ATARM–10-Mar-2014
32.7.17 UDPHS Endpoint Clear Status Register (Control, Bulk, Interrupt Endpoints)
Name: UDPHS_EPTCLRSTAx
[x=0..6]
Access:
Write-only
This register view is relevant only if EPT_TYPE=0x0, 0x2 or 0x3 in
For additional Information, see
• FRCESTALL: Stall Handshake Request Clear
0 = No effect.
1 = Clear the STALL request. The next packets from host will not be STALLed.
1 = Clear the STALL request. The next packets from host will not be STALLed.
• TOGGLESQ: Data Toggle Clear
0 = No effect.
1 = Clear the PID data of the current bank
For OUT endpoints, the next received packet should be a DATA0.
For IN endpoints, the next packet will be sent with a DATA0 PID.
1 = Clear the PID data of the current bank
For OUT endpoints, the next received packet should be a DATA0.
For IN endpoints, the next packet will be sent with a DATA0 PID.
• RXRDY_TXKL: Received OUT Data Clear
0 = No effect.
1 = Clear the RXRDY_TXKL flag of UDPHS_EPTSTAx.
1 = Clear the RXRDY_TXKL flag of UDPHS_EPTSTAx.
• TX_COMPLT: Transmitted IN Data Complete Clear
0 = No effect.
1 = Clear the TX_COMPLT flag of UDPHS_EPTSTAx.
1 = Clear the TX_COMPLT flag of UDPHS_EPTSTAx.
• RX_SETUP: Received SETUP Clear
0 = No effect.
1 = Clear the RX_SETUP flags of UDPHS_EPTSTAx.
1 = Clear the RX_SETUP flags of UDPHS_EPTSTAx.
• STALL_SNT: Stall Sent Clear
0 = No effect.
1 = Clear the STALL_SNT flags of UDPHS_EPTSTAx.
1 = Clear the STALL_SNT flags of UDPHS_EPTSTAx.
• NAK_IN: NAKIN Clear
0 = No effect.
1 = Clear the NAK_IN flags of UDPHS_EPTSTAx.
1 = Clear the NAK_IN flags of UDPHS_EPTSTAx.
• NAK_OUT: NAKOUT Clear
0 = No effect.
1 = Clear the NAK_OUT flag of UDPHS_EPTSTAx.
1 = Clear the NAK_OUT flag of UDPHS_EPTSTAx.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
NAK_OUT
NAK_IN
STALL_SNT
RX_SETUP
–
TX_COMPLT
RXRDY_TXKL
–
7
6
5
4
3
2
1
0
–
TOGGLESQ
FRCESTALL
–
–
–
–
–