User Manual

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MAX98089
Low-Power, Stereo Audio Codec
with FlexSound Technology
Table 34. Jack Detection Registers
Table 33. Change in JKSNS Upon Jack Removal
REGISTER BIT NAME DESCRIPTION
0x02
(Read Only)
7
JKSNS
JACKSNS State
Reports the status of JACKSNS when JDETEN = 1.
VALUE MODE DESCRIPTION
00
MBEN = 1 V
JACKSNS
< 0.1V x V
MICBIAS
MBEN = 0 V
JACKSNS
< 0.1V x V
SPKLVDD
01
MBEN = 1
0.1V x V
MICBIAS
< V
JACKSNS
<
0.95V x V
MICBIAS
6
MBEN = 0
0.1V x V
SPKLVDD
< V
JACKSNS
<
0.95V x V
SPKLVDD
10
MBEN = 1 Reserved
MBEN = 0 Reserved
11
MBEN = 1 0.95V x V
MICBIAS
< V
JACKSNS
MBEN = 0 0.95V x V
SPKLVDD
< V
JACKSNS
0x4B
7 JDETEN
Jack Detection Enable
0 = Disabled
1 = Enabled
1
JDEB
Jack Detection Debounce
Configures the debounce time for setting JDET.
00 = 25ms
01 = 50ms
10 = 100ms
11 = 200ms
0
HPLGND HPR
MIC HPL
GND
HPR
JACK TYPE JDWK = 1 AND MICBIAS DISABLED JDWK = 0 OR MICBIAS ENABLED
JKSNS: 00 è 11 JKSNS: 00 è 11
JKSNS: 00 è 11 JKSNS: 01 è 11