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WM8994ECS/R 数据表(PDF) 227 Page - Cirrus Logic |
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WM8994ECS/R 数据表(HTML) 227 Page - Cirrus Logic |
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227 / 363 page  WM8994 Rev 4.6 227 Generic Shut-Down The Generic Shut-Down sequence can be initiated by writing 812Ah to Register 272 (0110h). This single operation starts the Control Write Sequencer at Index Address 42 (2Ah) and executes the sequence defined in Table 129. This sequence takes approximately 522ms to run. WSEQ INDEX REGISTER ADDRESS WIDTH START DATA DELAY EOS DESCRIPTION 42 (2Ah) R31 (1Fh) 1 bit Bit 5 01h 0h 0b HPOUT2_MUTE = 1 (delay = 0.5625ms) 43 (2Bh) R30 (1Eh) 6 bits Bit 1 33h 0h 0b LINEOUT2P_MUTE = 1 LINEOUT2N_MUTE = 1 LINEOUT1P_MUTE = 1 LINEOUT1N_MUTE = 1 (delay = 0.5625ms) 44 (2Ch) R96 (60h) 7 bits Bit 1 00h 0h 0b HPOUT1R_DLY = 0 HPOUT1R_OUTP = 0 HPOUT1R_RMV_SHORT = 0 HPOUT1L_DLY = 0 HPOUT1L_OUTP = 0 HPOUT1L_RMV_SHORT = 0 (delay = 0.5625ms) 45 (2Dh) R84 (54h) 2 bits Bit 0 00h 0h 0b DCS_ENA_CHAN_0 = 0 DCS_ENA_CHAN_1 = 0 (delay = 0.5625ms) 46 (2Eh) R1 (01h) 2 bits Bit 8 00h 0h 0b HPOUT1R_ENA = 0 HPOUT1L_ENA = 0 (delay = 0.5625ms) 47 (2Fh) R76 (4Ch) 1 bit Bit 15 00h 0h 0b CP_ENA = 0 (delay = 0.5625ms) 48 (30h) R1 (01h) 2 bits Bit 12 00h 0h 0b SPKOUTL_ENA = 0 SPKOUTR_ENA = 0 (delay = 0.5625ms) 49 (31h) R57 (39h) 6 bits Bit 1 17h 0h 0b BIAS_SRC = 1 STARTUP_BIAS_ENA = 1 VMID_BUF_ENA = 1 VMID_RAMP[1:0] = 01b (delay = 0.5625ms) 50 (32h) R1 (01h) 3 bits Bit 0 00h Dh 0b BIAS_ENA = 0 VMID_SEL = 00b (delay = 512.5ms) 51 (33h) R1 (01h) 1 bit Bit 11 00h 0h 0b HPOUT2_ENA = 0 (delay = 0.5625ms) 52 (34h) R56 (38h) 2 bits Bit 4 03h 0h 0b LINEOUT2_DISCH = 1 LINEOUT1_DISCH = 1 (delay = 0.5625ms) 53 (35h) R55 (37h) 1 bit Bit 0 01h 0h 0b VROI = 1 (delay = 0.5625ms) 54 (36h) R56 (38h) 1 bit Bit 6 00h 0h 0b HPOUT2_IN_ENA =0 (delay = 0.5625ms) 55 (37h) R3 (03h) 4 bits Bit 10 00h 0h 0b LINEOUT2P_ENA = 0 LINEOUT2N_ENA = 0 LINEOUT1P_ENA = 0 LINEOUT1N_ENA = 0 (delay = 0.5625ms) |
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