WM8753LEB/RV WOLFSON [Wolfson Microelectronics plc], WM8753LEB/RV Datasheet - Page 44
![no-image](/images/no-image-200.jpg)
WM8753LEB/RV
Manufacturer Part Number
WM8753LEB/RV
Description
HI FI AND TELEPHONY DUAL CODEC
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8753LEBRV.pdf
(87 pages)
- Current page: 44 of 87
- Download datasheet (2Mb)
Advanced Information
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Table 37 MONO1 Volume Control
Table 39 OUT3 Select
MONO1 OUTPUT
The MONO1 pin can drive a mono line output. The signal volume on MONO1 can be adjusted under
software control by writing to MONO1VOL.
MONO2
The MONO2 pin can drive a mono line output and may be configured to output either an inverted
MONO1 output, the output from the left or right mixer or a mono mix of the left and right mixer
outputs.
Table 38 MONO2 Output Select
OUT3 OUTPUT
The OUT3 pin can drive a 16
headphone output (see Headphone Output section). It can be selected to either drive out an inverted
ROUT2 or mono mix of the left and right mixers for e.g. an earpiece drive between OUT3 and LOUT1
or differential output between OUT3 and MONOOUT. This output is enabled by setting bit OUT3.
OUT3SW[1:0] selects the mode of operation required.
R44 (2Ch)
MONOOUT
Volume
R45 (2Dh)
Output
Control
R45 (2Dh)
Output
Control
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
6:0
7
8:7
1:0
BIT
BIT
BIT
MONO1VOL
[6:0]
MOZC
MONO2SW[1:0]
OUT3SW
[1:0]
LABEL
or 32 headphone or a line output or be used as a DC reference for a
LABEL
LABEL
00
DEFAULT
1111001
(0dB)
0
00
DEFAULT
DEFAULT
OUT3 select
00 = VREF
01 = ROUT2 signal
10 = (Left Mixer + Right Mixer) / 2
11 = unused
MONO1 Volume
1111111 = +6dB
… (1.0 dB steps)
0110000 = -73dB
0101111 to 0000000 = Analogue
MUTE
MONO1 zero cross enable
1 = Change gain on zero cross only
0 = Change gain immediately
MONO2 Output Select
00 = inverted MONO1
01 = Left Mix / 2
10 = Right Mix / 2
11 = (Left Mix + Right Mix ) / 2
(volume controlled by ROUT2VOL)
DESCRIPTION
DESCRIPTION
DESCRIPTION
AI Rev 3.1 June 2004
WM8753L
44
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