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WM8962B Datasheet(PDF) 197 Page - Wolfson Microelectronics plc |
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WM8962B Datasheet(HTML) 197 Page - Wolfson Microelectronics plc |
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197 / 295 page  WM8962 Rev 4.3 197 WSEQ INDEX REGISTER ADDRESS WIDTH START DATA DELAY EOS DESCRIPTION 45 (2Dh) R26 (1Ah) 6 bits Bit 3 00h 0h 0b DACL_ENA = 0b DACR_ENA = 0b HPOUTL_PGA_ENA = 0b HPOUTR_PGA_ENA = 0b SPKOUTL_PGA_ENA = 0b SPKOUTR_PGA_ENA = 0b 46 (2Eh) R72 (48h) 1 bit Bit 0 00h 0h 0b CP_ENA = 0b 47 (2Fh) R25 (19h) 6 bits Bit 1 00h 0h 0b BIAS_ENA = 0b INL_ENA = 0b INR_ENA = 0b ADCL_ENA = 0b ADCR_ENA = 0b MICBIAS_ENA = 0b 48 (30h) R28 (1Ch) 2 bits Bit 3 00h 0h 0b STARTUP_BIAS_ENA = 0b VMID_BUF_ENA = 0b 49 (31h R25 (19h) 2 bits Bit 7 00h 0h 1b VMID_SEL [1:0] = 00b Table 128 Chip Power Down Sequence Speaker Sleep The Speaker Sleep sequence is initiated by writing 00E4h to Register 90 (5Ah). This single operation starts the Control Write Sequencer at Index Address 100 (64h). This sequence takes up to 2ms to run. WSEQ INDEX REGISTER ADDRESS WIDTH START DATA DELAY EOS DESCRIPTION 100 (64h) R49 (31h) 1 bit Bit 4 01h 0h 0b DAC_MUTE = 1 101 (65h) R49 (31h) 3 bits Bit 0 07h 0h 0b SPKOUT_VU = 1 SPKOUTL_PGA_MUTE = 1 SPKOUTR_PGA_MUTE = 1 102 (66h) R49 (31h) 2 bits Bit 6 00h 0h 1b SPKOUTR_ENA = 0 SPKOUTL_ENA = 0 Table 129 Speaker Sleep Sequence Speaker Wake The Speaker Wake sequence is initiated by writing 00E8h to Register 90 (5Ah). This single operation starts the Control Write Sequencer at Index Address 104 (68h). This sequence takes up to 2ms to run. WSEQ INDEX REGISTER ADDRESS WIDTH START DATA DELAY EOS DESCRIPTION 104 (68h) R49 (31h) 2 bits Bit 6 03h 0h 0b SPKOUTR_ENA = 1 SPKOUTL_ENA = 1 105 (69h) R49 (31h) 3 bits Bit 0 04h 0h 0b SPKOUT_VU = 1 SPKOUTL_PGA_MUTE = 0 SPKOUTR_PGA_MUTE = 0 106 (6Ah) R49 (31h) 1 bit Bit 4 00h 0h 1b DAC_MUTE = 0 Table 130 Speaker Wake Sequence |
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