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WM8993 Datasheet(PDF) 202 Page - Wolfson Microelectronics plc

Part # WM8993
Description  Audio Hub CODEC for Multimedia Phones
PDF  229 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8993 Datasheet(HTML) 202 Page - Wolfson Microelectronics plc

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WM8993
Production Data
w
PD, November 2010, Rev 4.0
202
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R74 (4Ah)
Write
Sequencer 4
0
WSEQ_BUSY
0
Sequencer Busy flag (Read Only).
0 = Sequencer idle
1 = Sequencer busy
Note: it is not possible to write to control registers via
the control interface while the Sequencer is Busy.
Register 4Ah Write Sequencer 4
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R75 (4Bh)
Write
Sequencer 5
5:0
WSEQ_CURR
ENT_INDEX
[5:0]
00_0000
Sequence Current Index. This is the location of the
most recently accessed command in the write
sequencer memory.
Register 4Bh Write Sequencer 5
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R76 (4Ch)
Charge
Pump 1
15
CP_ENA
0
Enable charge-pump digits
0 = disable
1 = enable
Note: Default value of R76[14:0] (0x1F25h) must not be
changed when enabling/disabling the Charge Pump
12
Reserved
1
Reserved - do not change
11
Reserved
1
Reserved - do not change
10
Reserved
1
Reserved - do not change
9
Reserved
1
Reserved - do not change
8
Reserved
1
Reserved - do not change
5
Reserved
1
Reserved - do not change
2
Reserved
1
Reserved - do not change
0
Reserved
1
Reserved - do not change
Register 4Ch Charge Pump 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R81 (51h)
Class W 0
0
CP_DYN_PWR
0
Enable dynamic charge pump power control
0 = charge pump controlled by volume register settings
(Class G)
1 = charge pump controlled by real-time audio level
(Class W)
Register 51h Class W 0



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