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CS43131 датащи(PDF) 51 Page - Cirrus Logic |
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CS43131 датащи(HTML) 51 Page - Cirrus Logic |
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51 / 156 page ![]() DS1155F1 51 CS43131 4.9 Audio Serial Port (ASP) Fig. 4-24 shows how LRCK frame start delay (xSP_FSD) controls the number of SCLK periods delay from the LRCK synchronization edge to the start of frame data. Figure 4-24. LRCK FSD and SCLK Polarity Example Diagram Table 4-6. Serial Port Clock Generation—Supported Configurations for 32 bits and 2 Channels Frequency (MHz) LRCK/FSYNC Rate (kHz) SCLKs per LRCK Frame xSP_N[15:0] xSP_M[15:0] xSP_LCPR + 1 xSP_LCPR[10:0] 22.5792 32.000 64 63 40 441 44.100 64 63 1 8 48.000 64 63 20 147 88.200 64 63 1 4 96.000 64 63 40 147 176.400 64 63 1 2 192.000 64 63 80 147 352.800 64 63 1 1 24.576 32.000 64 63 1 12 44.100 64 63 147 1280 48.000 64 63 1 8 88.200 64 63 147 640 96.000 64 63 1 4 176.400 64 63 147 320 192.000 64 63 1 2 352.800 64 63 147 160 384.000 64 63 1 1 LRCK 01 Channel location (xSP_RX_CHn) = 0 FSD = 000 FSD = 001 FSD = 010 N-1 N-2 N-3 N-4 N-5 FSD = 011 0 FSD = 100 0.5 1 1.5 2 2.5 FSD = 101 End of frame 2 ... ... ... ... ... ... ... 34567 89 ... ... 01 Channel location (xSP_RX_CHn) = 0 N-1 N-2 N-3 N-4 N-5 End of frame 2 ... 34567 89 ... 01 Channel location (xSP_RX_CHn) = 0 N-1 N-2 N-3 N-4 N-5 End of frame 2 ... 34567 89 01 Channel location (xSP_RX_CHn) = 0 N-1 N-2 N-3 N-4 N-5 End of frame 2 ... 34567 89 ... SCLK SDIN SDIN SCLK SDIN SCLK SCLK SDIN SCPOL _IN = 0 SCPOL_OUT = 0 SCPOL _IN = 1 SCPOL_OUT = 0 SCPOL _IN = 0 SCPOL_OUT = 1 SCPOL _IN = 1 SCPOL_OUT = 1 |
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