Datasheet

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 “UDPHS Endpoint Configuration Register” on page 538
For additional Information, see “UDPHS Endpoint Status Register (Control, Bulk, Interrupt Endpoints)” on page 558.
• FRCESTALL: Stall Handshake Request Clear
0 = No effect.
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.
• RXRDY_TXKL: Received OUT Data Clear
0 = No effect.
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.
• RX_SETUP: Received SETUP Clear
0 = No effect.
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.
• NAK_IN: NAKIN Clear
0 = No effect.
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.
31 30 29 28 27 26 25 24
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23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
NAK_OUT NAK_IN STALL_SNT RX_SETUP – TX_COMPLT RXRDY_TXKL –
76543210
–TOGGLESQFRCESTALL–––––