Owners manual

Interfaces
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 552
one. The TX Counter register can be set to any initial value at any time.
After been updated by the initial value, the counter register should count
on base of this value.
8.7.4.11. OWA RX Counter Register(Default Value: 0x00000000)
Offset: 0x28
Register Name: OWA_RX_CNT
Bit
R/W
Default/Hex
Description
31:0
R/W
0
RX_CNT
RX Sample counter
The audio sample number of writing into RX FIFO. When one sample is
written by Codec, the RX sample counter register increases by one. The RX
Counter register can be set to any initial value at any time. After been
updated by the initial value, the counter register should count on base of
this value.
8.7.4.12. OWA TX Channel Status Register0(Default Value: 0x00000000)
Offset: 0x2C
Register Name: OWA_TX_CHSTA0
Bit
R/W
Default/Hex
Description
31: 30
/
/
/
29:28
R/W
CA
Clock Accuracy
00: Level 2
01: Level 1
10: Level 3
11: not matched
27:24
R/W
FREQ
Sampling frequency
0000: 44.1kHz 1000: Reserved
0001: not indicated 1001: 768kHz
0010: 48kHz 1010: 96kHz
0011: 32kHz 1011: Reserved
0100: 22.05kHz 1100:176.4kHz
0101: Reserved 1101: Reserved
0110: 24kHz 1110: 192kHz
0111: Reserved 1111: Reserved
23:20
R/W
0
CN
Channel Number
19:16
R/W
0
SN
Source Number
15:8
R/W
0
CC
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