18c2ecf20Sopenharmony_ciInvensense ICS-43432 MEMS microphone with I2S output. 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciThere are no software configuration options for this device, indeed, the only 48c2ecf20Sopenharmony_cihost connection is the I2S interface. Apart from requirements on clock 58c2ecf20Sopenharmony_cifrequency (460 kHz to 3.379 MHz according to the data sheet) there must be 68c2ecf20Sopenharmony_ci64 clock cycles in each stereo output frame; 24 of the 32 available bits 78c2ecf20Sopenharmony_cicontain audio data. A hardware pin determines if the device outputs data 88c2ecf20Sopenharmony_cion the left or right channel of the I2S frame. 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciRequired properties: 118c2ecf20Sopenharmony_ci - compatible : Must be "invensense,ics43432" 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciExample: 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci ics43432: ics43432 { 168c2ecf20Sopenharmony_ci compatible = "invensense,ics43432"; 178c2ecf20Sopenharmony_ci }; 18