Table 9-b. receive dma main operational areas, Then enable the – Rainbow Electronics DS3131 User Manual
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Table 9-A. DMA Registers to be Configured by the Host on Power-Up
ADDRESS NAME
REGISTER
SECTION
0700
RFQBA0
Receive Free-Queue Base Address 0 (lower word)
9.2.3
0704
RFQBA1
Receive Free-Queue Base Address 1 (upper word)
0708
RFQEA
Receive Free-Queue End Address
070C
RFQSBSA
Receive Free-Queue Small Buffer Start Address
0710
RFQLBWP
Receive Free-Queue Large Buffer Host Write Pointer
0714
RFQSBWP
Receive Free-Queue Small Buffer Host Write Pointer
0718
RFQLBRP
Receive Free-Queue Large Buffer DMA Read Pointer
071C
RFQSBRP
Receive Free-Queue Small Buffer DMA Read Pointer
0730
RDQBA0
Receive Done-Queue Base Address 0 (lower word)
0734
RDQBA1
Receive Done-Queue Base Address 1 (upper word)
0738
RDQEA
Receive Done-Queue End Address
073C
RDQRP
Receive Done-Queue Host Read Pointer
0740
RDQWP
Receive Done-Queue DMA Write Pointer
0744
RDQFFT
Receive Done-Queue FIFO Flush Timer
0750
RDBA0
Receive Descriptor Base Address 0 (lower word)
0754
RDBA1
Receive Descriptor Base Address 1 (upper word)
0770
RDMACIS
Receive DMA Configuration Indirect Select
0774
RDMAC
Receive DMA Configuration (all 40 channels)
0780
RDMAQ
Receive DMA Queues Control
0790
RLBS
Receive Large Buffer Size
0794
RSBS
Receive Small Buffer Size
0800
TPQBA0
Transmit Pending-Queue Base Address 0 (lower word)
0804
TPQBA1
Transmit Pending-Queue Base Address 1 (upper word)
0808
TPQEA
Transmit Pending-Queue End Address
080C
TPQWP
Transmit Pending-Queue Host Write Pointer
0810
TPQRP
Transmit Pending-Queue DMA Read Pointer
0830
TDQBA0
Transmit Done-Queue Base Address 0 (lower word)
0834
TDQBA1
Transmit Done-Queue Base Address 1 (upper word)
0838
TDQEA
Transmit Done-Queue End Address
083C
TDQRP
Transmit Done-Queue Host Read Pointer
0840
TDQWP
Transmit Done-Queue DMA Write Pointer
0844
TDQFFT
Transmit Done-Queue FIFO Flush Timer
0850
TPDBA0
Transmit Descriptor Base Address 0 (lower word)
0854
TPDBA1
Transmit Descriptor Base Address 1 (upper word)
0870
TDMACIS
Transmit DMA Configuration Indirect Select
0874
TDMAC
Transmit DMA Configuration (all 40 channels)
0880
TDMAQ
Transmit Queues FIFO Control