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CS47L85 Datasheet(PDF) 199 Page - Cirrus Logic |
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CS47L85 Datasheet(HTML) 199 Page - Cirrus Logic |
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199 / 370 page  CS47L85 Rev 4.3 199 SLIMBUS SIGNAL PATH ENABLE The SLIMbus interface supports up to 8 input (RX) channels and up to 8 output (TX) channels. Each of these channels can be enabled or disabled using the register bits defined in Table 61. Note that the SLIMbus audio channels can only be supported when the corresponding ports have been enabled by the Manager Device (i.e., in addition to setting the respective enable bits). The status bits in Registers R1527 and R1528 indicate the status of each of the SLIMbus ports. The system clock, SYSCLK, must be configured and enabled before any audio path is enabled. The SLIMbus audio paths should be kept disabled (SLIMRXn_ENA=0, SLIMTXn_ENA=0) if SYSCLK is not enabled. The ASYNCCLK may also be required, depending on the path configuration. See “Clocking and Sample Rates” for details of the system clocks (including requirements for reconfiguring SYSCLK while audio paths are enabled). REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R1525 (05F5h) SLIMbus_ RX_Chan nel_Enabl e 7 SLIMRX8_ENA 0 SLIMbus RX Channel n Enable 0 = Disabled 1 = Enabled 6 SLIMRX7_ENA 0 5 SLIMRX6_ENA 0 4 SLIMRX5_ENA 0 3 SLIMRX4_ENA 0 2 SLIMRX3_ENA 0 1 SLIMRX2_ENA 0 0 SLIMRX1_ENA 0 R1526 (05F6h) SLIMbus_ TX_Chann el_Enable 7 SLIMTX8_ENA 0 SLIMbus TX Channel n Enable 0 = Disabled 1 = Enabled 6 SLIMTX7_ENA 0 5 SLIMTX6_ENA 0 4 SLIMTX5_ENA 0 3 SLIMTX4_ENA 0 2 SLIMTX3_ENA 0 1 SLIMTX2_ENA 0 0 SLIMTX1_ENA 0 R1527 (05F7h) SLIMbus_ RX_Port_ Status 7 SLIMRX8_PORT_STS 0 SLIMbus RX Channel n Port Status (Read only) 0 = Disabled 1 = Configured and active 6 SLIMRX7_PORT_STS 0 5 SLIMRX6_PORT_STS 0 4 SLIMRX5_PORT_STS 0 3 SLIMRX4_PORT_STS 0 2 SLIMRX3_PORT_STS 0 1 SLIMRX2_PORT_STS 0 0 SLIMRX1_PORT_STS 0 R1528 (05F8h) SLIMbus_ TX_Port_ Status 7 SLIMTX8_PORT_STS 0 SLIMbus TX Channel n Port Status (Read only) 0 = Disabled 1 = Configured and active 6 SLIMTX7_PORT_STS 0 5 SLIMTX6_PORT_STS 0 4 SLIMTX5_PORT_STS 0 3 SLIMTX4_PORT_STS 0 2 SLIMTX3_PORT_STS 0 1 SLIMTX2_PORT_STS 0 0 SLIMTX1_PORT_STS 0 Table 61 SLIMbus Signal Path Enable |
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