Allwinner A20 - Page 712

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 712 / 812
Offset: 0x28
Register Name: DA_TXCNT
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
been updated by the initial value, the counter register should
count on base of this initial value.
6.9.5.12. DIGITAL AUDIO RX COUNTER REGISTER
Offset: 0x2C
Register Name: DA_RXCNT
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
31:0
R/W
0
RX_CNT
RX Sample Counter
The audio sample number of writing into RXFIFO. When one
sample is written by Digital Audio Engine, the RX sample
counter register increases by one. The RX sample counter
register can be set to any initial valve at any time. After been
updated by the initial value, the counter register should count
on base of this initial value.
6.9.5.13. DIGITAL AUDIO TX CHANNEL SELECT REGISTER
Offset: 0x30
Register Name: DA_TXCHSEL
Default Value: 0x0000_0001
Bit
Read/Write
Default
Description
31:3
/
/
/
2:0
R/W
1
TX_CHSEL
TX Channel Select
0: 1-ch
1: 2-ch
2: 3-ch
3: 4-ch
4: 5-ch
5: 6-ch
6: 7-ch
7: 8-ch