Sundance Spas ST201 - Manual (Page 56)

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Sundance Technology ST201 PRELIMINARY draft 2
TXFRAMEID
Class....................I/O Registers, Control and Status
Base Address ......IoBaseAddress register value
Address Offset .....0x5c
Access Mode .......Read
Width ...................8 bits
TxFrameId contains the frame ID for the currently transmitting or most recently transmitted frame.
Host systems can use TxFrameId register during transmit error recovery by scanning through the TFD’s in
the TxDMAList, searching for a match between the TxFrameId register value and a FrameId value in the
TFD.
BIT BIT NAME BIT DESCRIPTION
7..0 TxFrameId This register contains the value from FrameId sub-field within the
frame’s TFD, TransmitFrameControl field.