86
HCD-FX900W
Pin No. Pin Name I/O Description
88 IO_DO/DAMP FSDLY I I/O expander IC data input
89 IO_CLK O I/O expander IC clock output
90 MONO/ST_DET I Front jack MONO or STEREO detect
91
A.CAL MIC LEVEL/
I/O MIC level detect for auto calibration or AUDIO selector 2
A.SEL2
92 DESTIATION 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 — Reference voltage (BUP+3.3V)
99 VCC — Power supply (BUP+3.3V)
100 MIC/A.CAL SW I MIC insert switch
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