WM5102 Datasheet, PDF (173/334 Pages) Wolfson Microelectronics plc – Audio Hub CODEC with Voice Processor DSP

Production Data
WM5102
REGISTER BIT
ADDRESS
LABEL
DEFAULT
DESCRIPTION
R659
(0293h)
13 ACCDET_SRC
Accessory
Detect
Mode 1
0
Accessory Detect / Headphone Feedback
pin select
0 = Accessory detect on MICDET1,
Headphone ground feedback on
HPOUT1FB1
1 = Accessory detect on MICDET2,
Headphone ground feedback on
HPOUT1FB2
Table 71 Headphone Output (HPOUT1) Ground Feedback Control
The earpiece driver outputs EPOUTP and EPOUTN are suitable for direct connection to an earpiece.
The output configuration is differential (BTL), driving both ends of the external load directly - note that
there is no associated ground connection.
The headphone and earpiece connections are illustrated in Figure 57.
Figure 57 Headphone and Earpiece Connection
w
PD, June 2014, Rev 4.2
173