Datasheet

875
SAM9G45 [DATASHEET]
Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15
37.6.13 UDPHS Endpoint Clear Status Register
Name: UDPHS_EPTCLRSTAx [x=0..6]
Address: 0xFFF78118 [0], 0xFFF78138 [1], 0xFFF78158 [2], 0xFFF78178 [3], 0xFFF78198 [4], 0xFFF781B8 [5],
0xFFF781D8 [6]
Access: Write-only
• 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.
• RX_BK_RDY: Received OUT Data Clear
0: No effect.
1: Clear the RX_BK_RDY 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/ERR_FL_ISO: Received SETUP/Error Flow Clear
0: No effect.
1: Clear the RX_SETUP/ERR_FL_ISO flags of UDPHS_EPTSTAx.
• STALL_SNT/ERR_NBTRA: Stall Sent/Number of Transaction Error Clear
0: No effect.
1: Clear the STALL_SNT/ERR_NBTRA flags 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/
ERR_FLUSH
STALL_SNT/
ERR_NBTRA
RX_SETUP/
ERR_FL_ISO
– TX_COMPLT RX_BK_RDY –
76543210
–TOGGLESQFRCESTALL–––––