Menene Interface I2S?
I²S (Inter-IC Sound) sigar lantarki ce ta keɓaɓɓiyar mu'amala da bas ɗin da ake amfani da ita don haɗa na'urorin sauti na dijital tare, Philips Semiconductor ne ya fara gabatar da wannan ma'aunin a 1986. Ana amfani da shi don canja wurin bayanan sauti na PCM tsakanin haɗaɗɗun da'irori a cikin na'urorin lantarki.
I2S Hardware Interface
1. Layin agogo Bit
Wanda ake kira "Ci gaba da Agogon Serial (SCK)". Yawancin lokaci ana rubuta su azaman "bit clock (BCLK)".
Wato, kowane ɗan bayanan da ya dace da sauti na dijital, SCLK yana da bugun jini.
Mitar SCLK = 2 × mitar samfur × adadin ragowar samfur.
2. Layin agogon kalma
Wanda aka fi sani da "zabin kalmomi (WS)". [Wanda aka fi sani da "LRCLK" ko "Frame Sync (FS)".
0 = tashar hagu, 1 = tashar dama
3. Aƙalla layin bayanai masu yawa
Wanda ake kira "Serial Data (SD)", amma ana iya kiransa SDATA, SDIN, SDOUT, DACDAT, ADCDAT, da sauransu.
Jadawalin lokaci na I²S
I2S dubawa: Bluetooth module
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