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SM5843AP1 Arkusz danych(PDF) 4 Page - Nippon Precision Circuits Inc |
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SM5843AP1 Arkusz danych(HTML) 4 Page - Nippon Precision Circuits Inc |
4 / 24 page SM5843A ×1 NIPPON PRECISION CIRCUITS—4 PIN DESCRIPTION Number Name I/O1 Description 1 DI/INF2N Ip Data input when INF1N is LOW, and input format select pin 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. INF1N and INF2N select the pin functions below. 5 IW1N/DIL Ip Input bit length select pin 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 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 MDT Ip Attenuator serial data input 12 MCK Ip Attenuator bit clock input 13 MLEN Ip Attenuator latch enable input 14 RSTN Ip System reset. Reset operation when LOW, and normal operation when HIGH. 15 MUTE Ip Mute control signal. Muting when HIGH, and normal operation when LOW. 16 DEMP Ip Deemphasis control signal. OFF when LOW, and ON when HIGH. 17 FSEL1 Ip Deemphasis filter select inputs 18 FSEL2 Ip 19 OW20N Ip Output bit length select pin. 20-bit output when LOW, and 18-bit output when HIGH. 20 SYNCN Ip Sync mode select pin. Normal sync mode when LOW, and jitter-free mode when HIGH. 21 TMOD1 Ip Dither processing control. ON when LOW, and OFF when HIGH. 22 VDD – 5 V supply 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 20 bits LOW HIGH 20 bits HIGH LOW 18 bits HIGH HIGH 16 bits HIGH ×× 20 bits FSEL1 FSEL2 Sampling frequency (fs) LOW LOW 44.1 kHz LOW HIGH 48 kHz HIGH LOW Test mode HIGH HIGH 32 kHz |
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