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WM8904ECS/R 数据表(PDF) 162 Page - Wolfson Microelectronics plc

部件名 WM8904ECS/R
功能描述  Ultra Low Power CODEC for Portable Audio Applications
PDF  188 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8904ECS/R 数据表(HTML) 162 Page - Wolfson Microelectronics plc

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WM8904
Pre-Production
w
PP, Rev 3.3, September 2012
162
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R69 (45h)
DC Servo 2
11:8
DCS_TIMER_PE
RIOD_23 [3:0]
1010
Time between periodic updates for
LINEOUTL/LINEOUTR. Time is calculated as 0.256s
x (2^PERIOD)
0000 = Off
0001 = 0.52s
1010 = 266s (4min 26s)
1111 = 8519s (2hr 22s)
DC Servo
3:0
DCS_TIMER_PE
RIOD_01 [3:0]
1010
Time between periodic updates for
HPOUTL/HPOUTR. Time is calculated as 0.256s x
(2^PERIOD)
0000 = Off
0001 = 0.52s
1010 = 266s (4min 26s)
1111 = 8519s (2hr 22s)
DC Servo
Register 45h DC Servo 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R71 (47h)
DC Servo 4
6:0
DCS_SERIES_N
O_23 [6:0]
010_1010
Number of DC Servo updates to perform in a series
event for LINEOUTL/LINEOUTR.
0 = 1 updates
1 = 2 updates
...
127 = 128 updates
DC Servo
Register 47h DC Servo 4
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R72 (48h)
DC Servo 5
6:0
DCS_SERIES_N
O_01 [6:0]
010_1010
Number of DC Servo updates to perform in a series
event for HPOUTL/HPOUTR.
0 = 1 updates
1 = 2 updates
...
127 = 128 updates
DC Servo
Register 48h DC Servo 5
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R73 (49h)
DC Servo 6
7:0
DCS_DAC_WR_
VAL_3 [7:0]
0000_0000 DC Offset value for LINEOUTR in DAC Write DC
Servo mode in two's complement format.
In readback, the current DC offset value is returned in
two's complement format.
Two’s complement format:
LSB is 0.25mV.
Range is +/-32mV
DC Servo
Register 49h DC Servo 6



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