58
HCD-DZ3K
Pin No. Pin Name I/O Description
89 IO_CLK O I/O expander IC clock output (not used)
90 MONO/ST_DET I Front jack MONO or STEREO detect
91 A.CAL MIC LEVEL I MIC level detect for auto calibration
92 DESTINATION I Destination select input
93 MODEL I Model select input
94 KEY2 I Key input 2 input
95 KEY1 I Key input 1 input
96 VSS — Ground terminal
97 KEY0 I Key input 0 input
98 VREF I Reference voltage (E3.3V)
99 VCC I Power supply (BUP3.3V)
100 MIC/A.CAL SW I MIC insert switch
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