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PA5388 Datasheet(PDF) 18 Page - Protek Devices |
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PA5388 Datasheet(HTML) 18 Page - Protek Devices |
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18 / 27 page ![]() ANALOG PRODUCTS DIVISION 561 E. Elliot Road #175 Chandler, AZ 85225 Tel: (480) 539-2900. Fax: (480) 632-1715 www.protekanalog.com PA5388 100dB, 24-Bit, 192 kHz Stereo Audio CODEC 95256 Rev.0. 05/10 NOT FOR USE IN LIFE SUPPORT SYSTEMS Register 22 – ADC Control 14, Default 0000 0000 Bit Name Bit Description NGTH 7:3 Noise gate threshold 00000 – -76.5 dBFS 00001 – -75 dBFS …… 11110 – -31.5 dBFS 11111 – -30 dBFS NGG 2:1 Noise gate type x0 – PGA gain held constant 01 – mute ADC output 11 – reserved NGAT 0 Noise gate function enable 0 – disable 1 – enable DAC CONTROL Register 23 – DAC Control 1, Default 0000 0000 Bit Name Bit Description DACLRSWAP 7 0 – normal 1 – left and right channel data swap DACLRP 6 I2S, left justified or right justified mode: 0 – left and right normal polarity 1 – left and right inverted polarity DSP/PCM mode: 0 – MSB is available on 2nd BCLK rising edge after ALRCK rising edge 1 – MSB is available on 1st BCLK rising edge after ALRCK rising edgeLRCK Polarity DACWL 5:3 000 – 24-bit serial audio data word length 001 – 20-bit serial audio data word length 010 – 18-bit serial audio data word length 011 – 16-bit serial audio data word length 100 – 32-bit serial audio data word length DACFORMAT 2:1 00 – I2S serial audio data format 01 – left justify serial audio data format 10 – right justify serial audio data format 11 – DSP/PCM mode serial audio data format 0 Register 24 – DAC Control 2, Default 0000 0110 Bit Name Bit Description DACFsMode 5 0 – single speed mode (default) 1 – double speed mode DACFsRatio 4:0 Master mode DAC MCLK to sampling frequency ratio 00000 — 128; 00001 — 192; 00010 — 256; 00011 — 384; 00100 — 512; 00101 — 576; 00110 — 768; (default) 00111 — 1024; 01000 — 1152; 01001 — 1408; 01010 — 1536; 01011 — 2112; 01100 — 2304; 10000 — 125; 10001 — 136; 10010 — 250; 10011 — 272; 10100 — 375; 10101 — 500; 10110 — 544; 10111 — 750; 11000 — 1000; 11001 — 1088; 11010 — 1496; 11011 — 1500; Other — Reserved. |
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