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WM8281ECS/R 数据表(PDF) 175 Page - Cirrus Logic

部件名 WM8281ECS/R
功能描述  Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation
PDF  392 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

WM8281ECS/R 数据表(HTML) 175 Page - Cirrus Logic

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WM8281
Rev 4.0
175
SLIMBUS SIGNAL PATH ENABLE
The SLIMbus interface supports up to 8 input (RX) channels and up to 8 output (TX) channels. Each
of these channels can be enabled or disabled using the register bits defined in Table 53.
Note that the SLIMbus audio channels can only be supported when the corresponding ports have
been enabled by the Manager Device (ie. in addition to setting the respective enable bits). The status
bits in Registers R1527 and R1528 indicate the status of each of the SLIMbus ports.
The system clock, SYSCLK, must be configured and enabled before any audio path is enabled. The
ASYNCCLK may also be req
uired, depending on the path configuration. See “Clocking and Sample
Rates
” for details of the system clocks.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R1525
(05F5h)
SLIMbus
RX
Channel
Enable
7
SLIMRX8_ENA
0
SLIMbus RX Channel n Enable
0 = Disabled
1 = Enabled
6
SLIMRX7_ENA
0
5
SLIMRX6_ENA
0
4
SLIMRX5_ENA
0
3
SLIMRX4_ENA
0
2
SLIMRX3_ENA
0
1
SLIMRX2_ENA
0
0
SLIMRX1_ENA
0
R1526
(05F6h)
SLIMbus
TX
Channel
Enable
7
SLIMTX8_ENA
0
SLIMbus TX Channel n Enable
0 = Disabled
1 = Enabled
6
SLIMTX7_ENA
0
5
SLIMTX6_ENA
0
4
SLIMTX5_ENA
0
3
SLIMTX4_ENA
0
2
SLIMTX3_ENA
0
1
SLIMTX2_ENA
0
0
SLIMTX1_ENA
0
R1527
(05F7h)
SLIMbus
RX Port
Status
7
SLIMRX8_PORT_STS
0
SLIMbus RX Channel n Port Status
(Read only)
0 = Disabled
1 = Configured and active
6
SLIMRX7_PORT_STS
0
5
SLIMRX6_PORT_STS
0
4
SLIMRX5_PORT_STS
0
3
SLIMRX4_PORT_STS
0
2
SLIMRX3_PORT_STS
0
1
SLIMRX2_PORT_STS
0
0
SLIMRX1_PORT_STS
0
R1528
(05F8h)
SLIMbus
TX Port
Status
7
SLIMTX8_PORT_STS
0
SLIMbus TX Channel n Port Status
(Read only)
0 = Disabled
1 = Configured and active
6
SLIMTX7_PORT_STS
0
5
SLIMTX6_PORT_STS
0
4
SLIMTX5_PORT_STS
0
3
SLIMTX4_PORT_STS
0
2
SLIMTX3_PORT_STS
0
1
SLIMTX2_PORT_STS
0
0
SLIMTX1_PORT_STS
0
Table 53 SLIMbus Signal Path Enable



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