WM9713L_06 WOLFSON [Wolfson Microelectronics plc], WM9713L_06 Datasheet - Page 49
![no-image](/images/no-image-200.jpg)
WM9713L_06
Manufacturer Part Number
WM9713L_06
Description
AC 97 Audio + Touchpanel CODEC
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM9713L_06.pdf
(108 pages)
- Current page: 49 of 108
- Download datasheet (2Mb)
Pre-Production
MONO OUTPUT
w
Table 33 HPL / HPR PGA Control
The MONO output (pin 31) is designed to drive a 16
line output. The available input sources are MONOMIX, INV1 and Vmid (see Table 34)
Table 34 MONO PGA Input Source
The signal volume on MONO can be independently adjusted under software control by writing to
register 08h.
When not in use MONO can be powered down using the Powerdown register bit MONO (register
3Eh, bit 13). To minimise pops and clicks when the PGA is powered down / up it is recommended
that the Vmid input is selected during the power down / up cycle. This ensures the same DC level is
maintained on the output pin throughout.
04h
Headphone
Volume
1Ch
Output PGA
Mux Select
REGISTER
REGISTER
ADDRESS
ADDRESS
15
14
13:8
7
6
5:0
15:14
BIT
BIT
MUL
ZCL
HPLVOL
MUR
ZCR
HPRVOL
MONO
LABEL
LABEL
1 (Mute)
0
000000
(0dB)
1 (Mute)
0
000000
(0dB)
00 (Vmid)
DEFAULT
DEFAULT
headphone load and can also be used as a
Mute HPL
1: Mute (OFF)
0: No Mute (ON)
Left zero cross enable
0: Change gain immediately
1: Change gain only on zero crossings,
or after time-out
HPL Volume
000000: 0dB (maximum)
000001: -1.5dB
… (1.5dB steps)
011111: -46.5dB
1xxxxx: -46.5dB
Mute HPR
1: Mute (OFF)
0: No Mute (ON)
Right zero cross enable
0: Change gain immediately
1: Change gain only on zero crossings,
or after time-out
HPR Volume
Similar to HPLVOL
MONO input source select
00: Vmid
01: no input (tri-stated if MONO=1 in
10: MONOMIX
11: INV1
register 3Eh)
DESCRIPTION
DESCRIPTION
PP Rev 3.0 June 2006
WM9713L
49
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