Регистры H616: AHUB APBIF TXn DMA & Interrupt Status

APBIF_TXnIRQ_STS

8.1.6. AHUB APBIF TXn DMA & Interrupt Status - адрес: 0x18509a002 (смещение: 0x0018+n*0x0030(n=0~2))

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

Unused

Bits 31 : 2

TXNO_INT

Bit 1
R/W1C
0x0

TXFIFO Overrun Pending Interrupt
0: No Pending Interrupt
1: TXFIFO Overrun Pending Interrupt
Write 1 to clear this interrupt.

TXNE_INT

Bit 0
R/W1C
0x1

TXFIFO Empty pending Interrupt
0: No pending IRQ
1: TXFIFO Empty Pending Interrupt When Data in TXFIFO are Less than TX Trigger Level
Write 1 to clear this Interrupt or automatic clear if Interrupt condition
fails.

Bit fields structure

typedef union apbif_txnirq_sts { struct { unsigned txne_int : 1; unsigned txno_int : 1; unsigned unused0 : 30; } b; unsigned long w; } APBIF_TXnIRQ_STS