WM9712CLGEFL/RV WOLFSON [Wolfson Microelectronics plc], WM9712CLGEFL/RV Datasheet - Page 18
WM9712CLGEFL/RV
Manufacturer Part Number
WM9712CLGEFL/RV
Description
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM9712CLGEFLRV.pdf
(78 pages)
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WM9712L
w
PCBEEP INPUT
Pin 19 (PCBEEP) is a mono, line level input intended for externally generated signal or warning
tones. It is routed directly to the record selector and all three output mixers, without an input amplifier.
The signal gain into each mixer can be independently controlled, with a separate mute bit for each
signal path.
Table 5 PCBEEP Control
REGISTER
ADDRESS
0Ah
PCBEEP input
BIT
15
14:12
11
10:8
7
6:4
LABEL
B2HVOL
B2SVOL
B2PVOL
B2H
B2S
B2P
DEFAULT
1
010
(0dB)
1
010
(0dB)
1
010
(0dB)
DESCRIPTION
Mute PCBEEP path to headphone mixer
1: Mute, 0: No mute (ON)
PCBEEP to headphone mixer gain
000: +6dB
… (3dB steps)
111: -15dB
Mute PCBEEP path to speaker mixer
1: Mute, 0: No mute (ON)
PCBEEP to speaker mixer gain
000: +6dB
… (3dB steps)
111: -15dB
Mute PCBEEP path to phone mixer
1: Mute, 0: No mute (ON)
PCBEEP to phone mixer gain
000: +6dB
… (3dB steps)
111: -15dB
PD, Rev 4.6, November 2011
Production Data
18
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