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WM8912 Datasheet(PDF) 88 Page - Wolfson Microelectronics plc |
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WM8912 Datasheet(HTML) 88 Page - Wolfson Microelectronics plc |
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88 / 128 page  WM8912 Production Data w PD, Rev 4.0, September 2010 88 WSEQ INDEX REGISTER ADDRESS WIDTH START DATA DELAY EOS DESCRIPTION (delay = 0.5625ms) 16 (10h) R67 (43h) 4 bits Bit 0 0Fh Ch 0b DCS_ENA_CHAN_0 = 1 DCS_ENA_CHAN_1 = 1 DCS_ENA_CHAN_2 = 1 DCS_ENA_CHAN_3 = 1 (delay = 0.5625ms) 17 (11h) R68 (44h) 8 bits Bit 0 F0h 0h 0b DCS_TRIG_STARTUP_0 = 1 DCS_TRIG_STARTUP_1 = 1 DCS_TRIG_STARTUP_2 = 1 DCS_TRIG_STARTUP_3 = 1 (delay = 256.5ms) 18 (12h) R255 (FFh) 1 bit Bit 0 00h 0h 0b Dummy Write for expansion (delay = 0.5625ms) 19 (13h) R90 (5Ah) 8 bits Bit 0 77h 0h 0b HPL_ENA_OUTP = 1 HPR_ENA_OUTP = 1 (delay = 0.5625ms) 20 (14h) R94 (5Eh) 8 bits Bit 0 77h 0h 0b LINEOUTL_ENA_OUTP = 1 LINEOUTR_ENA_OUTP = 1 (delay = 0.5625ms) 21 (15h) R90 (5Ah) 8 bits Bit 0 FFh 0h 0b HPL_RMV_SHORT = 1 HPR_RMV_SHORT = 1 (delay = 0.5625ms) 22 (16h) R94 (5Eh) 8 bits Bit 0 FFh 0h 1b LINEOUTL_RMV_SHORT = 1 LINEOUTR_RMV_SHORT = 1 End of Sequence 23 (17h) R255 (FFh) 1 bit Bit 0 00h 0h 0b Spare 24 (18h) R255 (FFh) 1 bit Bit 0 00h 0h 0b Spare Table 59 Start-up Sequence SHUTDOWN SEQUENCE The Shutdown sequence is initiated by writing 0119h to Register R111 (6Fh). This single operation starts the Control Write Sequencer at Index Address 25 (19h) and executes the sequence defined in Table 60. For typical clocking configurations with MCLK=12.288MHz, this sequence takes approximately 350ms to run. WSEQ INDEX REGISTER ADDRESS WIDTH START DATA DELAY EOS DESCRIPTION 25 (19h) R94 (5Eh) 8 bits Bit 0 77h 0h 0b LINEOUTL_RMV_SHORT = 0 LINEOUTR_RMV_SHORT = 0 (delay = 0.5625ms) 26 (1Ah) R90 (5Ah) 8 bits Bit 0 77h 0h 0b HPL_RMV_SHORT = 0 HPR_RMV_SHORT = 0 (delay = 0.5625ms) 27 (1Bh) R90 (5Ah) 8 bits Bit 0 00h 0h 0b HPL_ENA_OUTP = 0 HPL_ENA_DLY = 0 HPL_ENA = 0 HPR_ENA_OUTP = 0 HPR_ENA_DLY = 0 HPR_ENA = 0 (delay = 0.5625ms) |
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