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SM5842 Datasheet(PDF) 3 Page - Nippon Precision Circuits Inc |
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SM5842 Datasheet(HTML) 3 Page - Nippon Precision Circuits Inc |
3 / 23 page SM5842AP/APT NIPPON PRECISION CIRCUITS—3 PIN DESCRIPTION Number Name I/O1 Description 1 DI/INF2N Ip Data input when INF1N is LOW, and input format select pin 2 when INF1N is HIGH. 2 BCKI Ip Input bit clock 3 CKSLN Ip Oscillator and system clock select input. 384fs when HIGH, and 256fs when LOW. 4 INF1N Ip Input format select pin 1. INF1N and INF2N select the pin functions below. 5 IW1N/DIL Ip Input bit length select pin 1 when INF1N is LOW, and left-channel data input when INF1N is HIGH. IW1N and IW2N select the input data length. 6 XTI I Oscillator input connection 7 XTO O Oscillator output connection 8 VSS – Ground 9 CKO O Oscillator output clock. Same frequency as XTI. 10 IW2N/DIR Ip Input bit length select pin 2 when INF2N is LOW, and right-channel data input when INF2N is HIGH. IW1N and IW2N select the input data length as shown in the table for pin 5. 11 OW1N Ip Output length select bits. 12 OW2N Ip 13 SYNCN Ip Sync mode select pin. Normal sync mode when LOW, and jitter-free mode when HIGH. 14 RSTN Ip System reset. Reset operation when LOW, and normal operation when HIGH. 15 DEMPR Ip Right-channel deemphasis control signal. OFF when LOW, and ON when HIGH. 16 DEMPR Ip Left-channel deemphasis control signal. OFF when LOW, and ON when HIGH. 17 FSEL1 Ip Deemphasis filter select inputs 18 FSEL2 Ip INF1N DI/INF2N Input format Pin function selection DI/INF2N IW1N/DIL IW2N/DIR LOW LOW LR alternating, trailing data DI IW1N IW2N LOW HIGH HIGH LOW LR alternating, leading data INF2N DIL DIR HIGH HIGH LR simultaneous, leading data INF1N IW2N/DIL IW1N/DIR Input bit length LOW LOW LOW 24 bits LOW HIGH 20 bits HIGH LOW 18 bits HIGH HIGH 16 bits HIGH ×× 24 bits OW2N OW1N Output bit length LOW LOW 24 bits LOW HIGH 22 bits HIGH LOW 20 bits HIGH HIGH 18 bits FSEL1 FSEL2 Sampling frequency (fs) LOW LOW 44.1 kHz LOW HIGH 48 kHz HIGH LOW Invalid setting HIGH HIGH 32 kHz |
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