WM8281 Datasheet, PDF (366/392 Pages) Cirrus Logic – Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation

WM8281
REG
R4916
(1334h)
R4917
(1335h)
R4920
(1338h)
R4928
(1340h)
R4929
(1341h)
R4930
(1342h)
R4931
(1343h)
R5120
(1400h)
R5121
(1401h)
R5124
(1404h)
R5125
(1405h)
R5126
(1406h)
R5136
(1410h)
R5137
(1411h)
R5138
(1412h)
R5139
(1413h)
R5140
(1414h)
R5141
(1415h)
R5142
(1416h)
R5143
(1417h)
R5152
(1420h)
R5153
(1421h)
R5154
(1422h)
R5155
(1423h)
R5156
(1424h)
R5157
(1425h)
NAME
DSP3 RDMA
Config 1
DSP3 RDMA
Offset 1
DSP3 External
Start Select 1
DSP3 Scratch 0
15 14 13 12 11 10 9
8
7
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
DSP3_SCRATCH_0 [15:0]
5
4
3
2
1
0
DSP3_RDMA_CHANNEL_ENABLE [5:0]
DEFAULT
0000h
DSP3_RDMA_CHANNEL_OFFSET [5:0]
0000h
0
0 DSP3_START_IN_SEL [3:0] 0000h
0000h
DSP3 Scratch 1
DSP3_SCRATCH_1 [15:0]
0000h
DSP3 Scratch 2
DSP3_SCRATCH_2 [15:0]
0000h
DSP3 Scratch 3
DSP3_SCRATCH_3 [15:0]
0000h
DSP4 Control 1
0
DSP4_RATE [3:0]
0
0
0
0
0
0 DSP4_ DSP4_ DSP4_ DSP4_ DSP4_ 0010h
MEM_ DBG_ SYS_E CORE START
ENA CLK_E NA _ENA
NA
DSP4 Clocking 1 0
0
0
0
0
0
0
0
0
0
0
0
0 DSP4_CLK_SEL [2:0] 0000h
DSP4 Status 1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 DSP4_ 0000h
RAM_
RDY
DSP4 Status 2 DSP4_ DSP4_ 0
0
0
0
0
0
PING_ PONG
FULL _FULL
DSP4_WDMA_ACTIVE_CHANNELS [7:0]
0000h
DSP4 Status 3
0
0
0
0
0
0
0
0
0
0
0
0 DSP4_CLK_SEL_STS DSP4_ 0000h
[2:0]
CLK_A
VAIL
DSP4 WDMA
Buffer 1
DSP4_START_ADDRESS_WDMA_BUFFER_0 [15:0]
0000h
DSP4 WDMA
Buffer 2
DSP4_START_ADDRESS_WDMA_BUFFER_1 [15:0]
0000h
DSP4 WDMA
Buffer 3
DSP4_START_ADDRESS_WDMA_BUFFER_2 [15:0]
0000h
DSP4 WDMA
Buffer 4
DSP4_START_ADDRESS_WDMA_BUFFER_3 [15:0]
0000h
DSP4 WDMA
Buffer 5
DSP4_START_ADDRESS_WDMA_BUFFER_4 [15:0]
0000h
DSP4 WDMA
Buffer 6
DSP4_START_ADDRESS_WDMA_BUFFER_5 [15:0]
0000h
DSP4 WDMA
Buffer 7
DSP4_START_ADDRESS_WDMA_BUFFER_6 [15:0]
0000h
DSP4 WDMA
Buffer 8
DSP4_START_ADDRESS_WDMA_BUFFER_7 [15:0]
0000h
DSP4 RDMA
Buffer 1
DSP4_START_ADDRESS_RDMA_BUFFER_0 [15:0]
0000h
DSP4 RDMA
Buffer 2
DSP4_START_ADDRESS_RDMA_BUFFER_1 [15:0]
0000h
DSP4 RDMA
Buffer 3
DSP4_START_ADDRESS_RDMA_BUFFER_2 [15:0]
0000h
DSP4 RDMA
Buffer 4
DSP4_START_ADDRESS_RDMA_BUFFER_3 [15:0]
0000h
DSP4 RDMA
Buffer 5
DSP4_START_ADDRESS_RDMA_BUFFER_4 [15:0]
0000h
DSP4 RDMA
Buffer 6
DSP4_START_ADDRESS_RDMA_BUFFER_5 [15:0]
0000h
366
Rev 4.0