NXP Semiconductors /LPC43xx /ETHERNET /DMA_TRANS_POLL_DEMAND

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Interpret as DMA_TRANS_POLL_DEMAND

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0TPD

Description

Transmit poll demand register

Fields

TPD

Transmit poll demand This register field can be read by the application, and when a write operation is performed with any data value, an event is triggered. When these bits are written with any value, the DMA reads the current descriptor pointed to by the Current Host Transmit Descriptor register (Section 26.6.37). If that descriptor is not available (owned by Host), transmission returns to the Suspend state and bit 2 in the DMA_STAT Register is asserted. If the descriptor is available, transmission resumes.

Links

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