Sundance Spas ST201 User Manual

Page 35

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35

Sundance Technology

ST201

PRELIMINARY draft 2

RXDMAFRAGADDR

Class....................DMA Data Structures, RFD

Base Address ......Start of RFD

Address Offset .....0x00+n·8 for nth fragment

Access Mode .......Read/Write

Width ...................32 bits

BIT

BIT NAME

BIT DESCRIPTION

31..0

RxDMAFragAddr

The third and all subsequent odd dwords in the RFD contains the phys-
ical address of a contiguous block of system memory to which receive
data is to be transferred by RxDMA. A fragment can start on any byte
boundary.

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