wm9090 Wolfson Microelectronics plc, wm9090 Datasheet - Page 65

• Manufacturer Part Number: wm9090
• Description: Ultra Low Power Audio Subsystem
• Manufacturer: Wolfson Microelectronics plc

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Pre-Production
Register 4Ah Write Sequencer 4
Register 4Bh Write Sequencer 5
Register 4Ch Charge Pump 1
Sequencer 4
Sequencer 5
DC Servo 0
REGISTER
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
ADDRESS
R74 (4Ah)
R75 (4Bh)
R76 (4Ch)
R84 (54h)
Pump 1
Charge
Write
Write
BIT
BIT
BIT
BIT
5:0
15
13
12
0
9
8
5
4
3
2
DCS_TRIG_SE
DCS_TRIG_SE
DCS_TRIG_DA
DCS_TRIG_DA
DCS_TRIG_ST
DCS_TRIG_ST
WSEQ_CURR
DCS_TRIG_SI
DCS_TRIG_SI
WSEQ_BUSY
ENT_INDEX
ARTUP_1
ARTUP_0
CP_ENA
C_WR_1
C_WR_0
NGLE_1
NGLE_0
RIES_1
RIES_0
LABEL
LABEL
LABEL
LABEL
[5:0]
DEFAULT
DEFAULT
DEFAULT
DEFAULT
00_0000
0
0
0
0
0
0
0
0
0
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.
Sequence Current Index. This is the location of the
most recently accessed command in the write
sequencer memory.
Charge Pump Control
0 = Disabled
1 = Enabled
Writing 1 to this bit selects a single DC offset correction
for HPOUT1L.
In readback, a value of 1 indicates that the DC Servo
single correction is in progress.
Writing 1 to this bit selects a single DC offset correction
for HPOUT1R.
In readback, a value of 1 indicates that the DC Servo
single correction is in progress.
Writing 1 to this bit selects a series of DC offset
corrections for HPOUT1L.
In readback, a value of 1 indicates that the DC Servo
DAC Write correction is in progress.
Writing 1 to this bit selects a series of DC offset
corrections for HPOUT1R.
In readback, a value of 1 indicates that the DC Servo
DAC Write correction is in progress.
Writing 1 to this bit selects Start-Up DC Servo mode for
HPOUT1L.
In readback, a value of 1 indicates that the DC Servo
Start-Up correction is in progress.
Writing 1 to this bit selects Start-Up DC Servo mode for
HPOUT1R.
In readback, a value of 1 indicates that the DC Servo
Start-Up correction is in progress.
Writing 1 to this bit selects DAC Write DC Servo mode
for HPOUT1L.
In readback, a value of 1 indicates that the DC Servo
DAC Write correction is in progress.
Writing 1 to this bit selects DAC Write DC Servo mode
for HPOUT1R.
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, January 2010, Rev 3.0
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WM9090
65