Регистры H616: APBIF RXn DMA & Interrupt Control

APBIF_RXnIRQ_CTRL

8.1.6. APBIF RXn DMA & Interrupt Control - адрес: 0x104509a002 (смещение: 0x0104+n*0x0030(n=0~2))

31 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 16
15 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 00

Unused

Bits 31 : 4

RXN_DRQ

Bit 3
R/W
0x0

RX FIFO Data Available DRQ Enable
0: Disable
1: Enable
When set to 1 , RXFIFO DMA Request line is asserted if Data is available in RXFIFO.

RXNUI_EN

Bit 2
R/W
0x0

RX FIFO Underrun Interrupt Enable
0: Disable
1: Enable

Unused

Bit 1

RXNAI_EN

Bit 0
R/W
0x0

RX FIFO Data Available Interrupt Enable
0: Disable
1: Enable

Bit fields structure

typedef union apbif_rxnirq_ctrl { struct { unsigned rxnai_en : 1; unsigned unused0 : 1; unsigned rxnui_en : 1; unsigned rxn_drq : 1; unsigned unused1 : 28; } b; unsigned long w; } APBIF_RXnIRQ_CTRL