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QS7785PF Datasheet(PDF) 9 Page - Nippon Precision Circuits Inc |
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QS7785PF Datasheet(HTML) 9 Page - Nippon Precision Circuits Inc |
9 / 15 page QS7785PF/CF NIPPON PRECISION CIRCUITS—9 In output modes 9 to 11, the input stereo signal is output to the speakers without processing. The bypass function works for both stereo and mono input signals, and is used to listen to the original sig- nals. In mode 9, the stereo signal is output on front speakers only. In mode 10, the stereo signal is output on both front and surround speakers. In mode 11, the stereo signal is output on surround speakers only. In output mode 12, the input stereo signal is output on front speakers, and a surround effect enhanced signal is output on the surround speakers. Center signal output The center signal is output on COUT. See “Center Control.” Bass boost mode The bass boost function is used to enhance the bass frequency component. See “Bass Boost.” Mute and power save When PSAVE is HIGH, the analog stages of the device are turned OFF to save power. When MUTE is HIGH, all outputs are muted. Control pins/SDA signal1 1. – (dash) = no output signal. × = indicates don’t care. 1 = HIGH, 0 = LOW Output signal BYP MONO SUR SP AC COUT ×××× 0– ×××× 1 (RIN + LIN) / 2 Control pins/SDA signal1 1. × = indicates don’t care. 1 = HIGH, 0 = LOW Output signal BYP MONO SUR SP AC BASS FROUT/FLOUT SROUT/SLOUT COUT ××××× 0 Bass boost OFF Bass boost OFF Bass boost OFF ××××× 1 Bass boost ON Bass boost ON Bass boost ON Control pins/SDA signal1 1. – (dash) = no output signal. × = indicates don’t care. 1 = HIGH, 0 = LOW Output signal BYP MONO SUR SP AC BASS MUTE PSAVE FROUT/FLOUT SROUT/SLOUT COUT ×××××× 0 0 Available Available Available ×××××× 1 0 ––– ×××××× 1 1 ––– |
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