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LA74303FN Fiches technique(PDF) 4 Page - Sanyo Semicon Device |
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LA74303FN Fiches technique(HTML) 4 Page - Sanyo Semicon Device |
4 / 18 page LA74303FN No.A1181-4/18 Description of the Content of Serial Communication DATA No. Parameter Default 0 DUMMY 0 1 LPF Cut-off frequency SW 0:11kHz, 1:4kHz 1 2 VREF capacitor charging circuit control SW 0:ON, 1:OFF 0 3 MIC AMP POWER SW 0:ON, 1:OFF 0 4 ALC AMP POWER SW 0:ON, 1:OFF 0 5 LPF1 MODE SW 0:PB MODE1, 1:REC MODE 0 6 LPF1/LPF2 selection SW 0:LPF1, 1:LPF2 0 7 REC BLOCK POWER SW 0:ON, 1:OFF 0 8 LINE OUT POWER SW 0:ON, 1:OFF 1 9 LINE MUTE SW 0:ON, 1:OFF 0 10 SPK POWER SW 0:ON, 1:OFF 1 11 DATA=1 1 1 1 1 1: VOL MAX 0 12 DATA=2 to 0 13 DATA=4 0 0 0 0 0: VOL MIN (MUTE) 0 14 DATA=8 * EVR setting (the numeral shown in the left is decimal. 0 15 DATA=16 For characteristics, see P18.) 0 Serial Transmission Timing • fMAX (Max clock frequency) 1.5MHz • tWL (Clock pulse width: Low) 333ns or more • tWH (Clock pulse width: High) 333ns or more • tCS (Chip enable setup time) 333ns or more • tCH (Chip enable hold time) 333ns or more • tDS (Data setup time) 333ns or more • tDH (Data hold time) 333ns or more • tWC (Chip enable pulse width) 333ns or more • VIH (High voltage lower limit) 2.3V to 3.5V • VIL (Low voltage upper limit) 0V to 0.7V fMAX tWH CS CLOCK tCS tWL tCH DATA LSB tDS tDH MSB tWC VIL VIH VIH VIL VIH VIL |
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