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PCM1723E/2K 数据表(PDF) 7 Page - Texas Instruments |
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PCM1723E/2K 数据表(HTML) 7 Page - Texas Instruments |
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7 / 22 page ![]() PCM1723 7 SBAS057A www.ti.com FIGURE 4. System Clock Connection. 14 15 16 1 2 3 14 15 1/f S L_ch R_ch MSB LSB 16 LRCIN (pin 4) BCKIN (pin 6) AUDIO DATA WORD = 16-BIT DIN (pin 5) 1 2 3 14 15 MSB LSB 16 18 19 20 1 2 3 18 19 MSB LSB 20 AUDIO DATA WORD = 20-BIT DIN (pin 5) 1 2 3 18 19 MSB LSB 20 23 24 1 2 3 22 23 MSB LSB 24 AUDIO DATA WORD = 24-BIT DIN (pin 5) 1 2 3 22 23 MSB LSB 24 FIGURE 5. Normal Data Input Timing. 1 2 3 14 15 1/f S L_ch R_ch MSB LSB 16 LRCIN (pin 4) BCKIN (pin 6) AUDIO DATA WORD = 16-BIT DIN (pin 5) 1 2 3 14 15 MSB LSB 16 1 2 3 18 19 MSB LSB 20 AUDIO DATA WORD = 20-BIT DIN (pin 5) 1 2 3 18 19 MSB LSB 20 2 1 2 1 2 1 1 2 3 22 23 MSB LSB 24 AUDIO DATA WORD = 24-BIT DIN (pin 5) 1 2 3 22 23 MSB LSB 24 FIGURE 6. I2S Data Input Timing. C 1 C 2 C 1, C2 = 10 to 33pF 27MHz Internal Master Clock XTI X’tal RR XTO PCM1723 MCKO Buffer 27MHz Out External Clock 27MHz Internal Master Clock XTI XTO PCM1723 EXTERNAL CLOCK INPUT CRYSTAL RESONATOR CONNECTION MCKO |
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