SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 1182
SAM3X8E
Manufacturer Part Number
SAM3X8E
Description
Manufacturer
Atmel Corporation
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• CURRBK: Current Bank
For non-control pipe, this field indicates the number of the current bank.
This field may be updated 1 clock cycle after the RWALL bit changes, so the user shall not poll this field as an interrupt bit.
• NBUSYBK: Number of Busy Banks
This field indicates the number of busy banks.
For OUT pipe, this field indicates the number of busy banks, filled by the user, ready for OUT transfer. When all banks are
busy, this triggers a PEP_x interrupt if UOTGHS_HSTPIPIMRx.NBUSYBKE is one.
For IN pipe, this field indicates the number of busy banks filled by IN transaction from the Device. When all banks are free,
this triggers a PEP_x interrupt if UOTGHS_HSTPIPIMRx.NBUSYBKE is one.
• DTSEQ: Data Toggle Sequence
This field indicates the data PID of the current bank.
For OUT pipe, this field indicates the data toggle of the next packet that will be sent.
For IN pipe, this field indicates the data toggle of the received packet stored in the current bank.
• SHORTPACKETI: Short Packet Interrupt
This bit is set when a short packet is received by the host controller (packet length inferior to the PSIZE programmed field).
This bit is cleared when UOTGHS_HSTPIPICR.SHORTPACKETIC bit is written to one.
• RXSTALLDI: Received STALLed Interrupt
This bit is set, for all endpoints but isochronous, when a STALL handshake has been received on the current bank of the
pipe. The Pipe is automatically frozen. This triggers an interrupt if UOTGHS_HSTPIPIMR.RXSTALLE bit is one.
1182
1182
Value
Value
Value
0
1
2
3
0
1
2
3
0
1
2
3
SAM3X/A
SAM3X/A
0_BUSY
1_BUSY
2_BUSY
3_BUSY
BANK0
BANK1
BANK2
DATA0
DATA1
Name
Name
Name
Description
Current bank is bank0
Current bank is bank1
Current bank is bank2
Reserved
Description
0 busy bank (all banks free)
1 busy bank
2 busy banks
3 busy banks
Description
Data0 toggle sequence
Data1 toggle sequence
reserved
reserved
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
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