Sundance-spas ST201 Uživatelský manuál stáhnout pdf (Strana 56)

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.

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 144 145

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Sundance-spas ST201 Uživatelský manuál Strana 56