Owners manual

Interfaces
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 550
8.7.4.7. OWA FIFO Status Register(Default Value: 0x00006000)
Offset: 0x18
Register Name: OWA_FSTA
Bit
R/W
Default/Hex
Description
31:15
/
/
/
14
R
1
TXE
TX FIFO Empty (indicate FIFO is not full)
0: No room for new sample in TX FIFO
1: More than one room for new sample in TX FIFO ( >=1 word )
13:8
R
0x20
TXE_CNT
TX FIFO Empty Space Word counter
7
/
/
/
6
R
0
RXA
RX FIFO Available
0: No available data in RX FIFO
1: More than one sample in RX FIFO ( >=1 word )
5:0
R
0
RXA_CNT
RX FIFO Available Sample Word counter
8.7.4.8. OWA Interrupt Control Register(Default Value: 0x00000000)
Offset: 0x1C
Register Name: OWA_INT
Bit
R/W
Default/Hex
Description
31:19
/
/
/
18
R/W
0
RX_LOCKI_EN
RX LOCK Interrupt enable
0: Disable
1: Enable
17
R/W
0
RX_UNLOCKI_EN
RX UNLOCK Interrupt enable
0: Disable
1: Enable
16
R/W
0
RX_PARERRI_EN
RX PARITY ERORR Interrupt enable
0: Disable
1: Enable
15:8
/
/
/
7
R/W
0
TX_DRQ
TX FIFO Empty DRQ Enable
0: Disable
1: Enable
6
R/W
0
TXUI_EN
TX FIFO Under run Interrupt Enable
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