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LA74310LP Datasheet(PDF) 17 Page - Sanyo Semicon Device |
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LA74310LP Datasheet(HTML) 17 Page - Sanyo Semicon Device |
17 / 22 page LA74310LP No.A0904-17/22 POP Sound Avoiding Sequence Recommended serial control settings 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 LPF CHRG MIC ALC LPF MODESW REC LINE LINE SPK EVR1 EVR2 EVR4 EVR8 EVR16 DMY C SW P SW P SW P SW P SW P SW MUTE P SW DATA DATA DATA DATA DATA * 0:11kHz 0:ON 0:ON 0:ON 0:ON 0:ON 0:ON 0:ON 0:OFF 0:OFF 0:OFF 0:OFF 0:OFF Timing Communication content * 1:4kHz 1:OFF 1:OFF 1:OFF (1, *): REC (0, 0): PB Analog (0, 1): PB Digital 1:OFF 1:OFF 1:OFF 1:OFF 1:ON 1:ON 1:ON 1:ON 1:ON T1 Standby cancellation T2 Dummy communication (only CS) DATA unnecessary T3 VREF charging circuit: OFF 0 0/1 1 1 1 0 0/1 1 1 0 1 0 0 0 0 0 T4 Speaker AMP: ON 0 0/1 1 1 1 0 0/1 1 1 0 0 0 0 0 0 0 T5 Line AMP: ON 0 0/1 1 1 1 0 0/1 1 0 1 0 0 0 0 0 0 T6 Return to the initial state 0 1 0 0 0 0 0 0 1 0 1 0 0 0 0 0 T7 Standby control DATA unnecessary CS DATA sending timing STANDBY pin (23PIN) =Don’t care =CLOCK Power Supply (VCCA & VCCSP) Optional After 10ms After 150ms (When pin 24 capacitance is 0.1 µF) CLOCK T0 T1 T2 T3 T4 T5 T6 T7 T8 1Upon STANDBY cancellation & control (PBMODE) After 20ms After 50ms After 200ms Before 10ms |
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