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MS6334U Datasheet(PDF) 10 Page - MOSA ELECTRONICS |
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MS6334U Datasheet(HTML) 10 Page - MOSA ELECTRONICS |
10 / 17 page MOSA MS6334/6335 16-Bit Stereo Audio DAC integrated HP Driver with Volume Control REV 1.0 10 www.mosanalog.com Audio format and power off MSB LSB Function 1 0 0 0 0 0 b1 b0 Audio format selection and preparation for power off Audio format and power off bits b1=1, Enable preparation for power off b1=0, Disable preparation for power off b0=1, I2S format b0=0, Right justified format (normal format) Initial state: b0=b1=0. Power off : VDD down to 0V I 2C example The audio format is selected I2S format. Audio format code = 81H. The initial state is right justified format. Data byte 1 000 00 MSB 11 ACK Start 1 000 01 00 MS6335 address I2S format LSB ACK Stop DAC active. Code = 7BH. The initial state is enabled all power down mode when power on. ACK Start Chip Address ACK 0 1 1 1 1 1 10 DACPD = 0 Stop HP active, OPAmp active, CAP to 1/2 VDD, DAC keep active. Code = 61H. Set the voltage of CAP to middle of supply voltage, the charge time is approximately 1 second. Stop Start Chip Address ACK 0 1 1 0 0 1 00 CAPGD = 0 HPPD = 0 OPAmp = 0 DACPD = 0 ACK DAC mute off. Code = 60H. The chip entered active mode. Stop Start Chip Address ACK 0 1 1 0 0 0 00 DACM = 0 ACK Set gain of 2 channel at 0dB. Volume control code = 1BH. Stop Start Chip Address ACK 0 0 0 1 1 1 1 0 2-ch, 0dB ACK Set attenuation of left channel at –22.5dB. Volume control code = 2CH. Stop Start Chip Address ACK 0 0 1 0 0 0 1 1 L-ch, -22.5dB ACK |
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