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WM8994ECS/R 数据表(PDF) 267 Page - Cirrus Logic |
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WM8994ECS/R 数据表(HTML) 267 Page - Cirrus Logic |
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267 / 363 page  WM8994 Rev 4.6 267 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R39 (27h) Speaker Volume Right 8 SPKOUT_VU 0 Speaker Output PGA Volume Update Writing a 1 to this bit will update SPKLVOL and SPKRVOL volumes simultaneously. 7 SPKOUTR_ZC 0 SPKRVOL (Right Speaker Output PGA) Zero Cross Enable 0 = Zero cross disabled 1 = Zero cross enabled 6 SPKOUTR_MUT E_N 1 SPKRVOL (Right Speaker Output PGA) Mute 0 = Mute 1 = Un-mute 5:0 SPKOUTR_VOL [5:0] 11_1001 SPKRVOL (Right Speaker Output PGA) Volume -57dB to +6dB in 1dB steps 00_0000 = -57dB 00_0001 = -56dB … (1dB steps) 11_1111 = +6dB Register 27h Speaker Volume Right REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R40 (28h) Input Mixer (2) 7 IN2LP_TO_IN2L 0 IN2L PGA Non-Inverting Input Select 0 = Connected to VMID 1 = Connected to IN2LP Note that VMID_BUF_ENA must be set when using IN2L connected to VMID. 6 IN2LN_TO_IN2L 0 IN2L PGA Inverting Input Select 0 = Not connected 1 = Connected to IN2LN 5 IN1LP_TO_IN1L 0 IN1L PGA Non-Inverting Input Select 0 = Connected to VMID 1 = Connected to IN1LP Note that VMID_BUF_ENA must be set when using IN1L connected to VMID. 4 IN1LN_TO_IN1L 0 IN1L PGA Inverting Input Select 0 = Not connected 1 = Connected to IN1LN 3 IN2RP_TO_IN2 R 0 IN2R PGA Non-Inverting Input Select 0 = Connected to VMID 1 = Connected to IN2RP Note that VMID_BUF_ENA must be set when using IN2R connected to VMID. 2 IN2RN_TO_IN2 R 0 IN2R PGA Inverting Input Select 0 = Not connected 1 = Connected to IN2RN 1 IN1RP_TO_IN1 R 0 IN1R PGA Non-Inverting Input Select 0 = Connected to VMID 1 = Connected to IN1RP Note that VMID_BUF_ENA must be set when using IN1R connected to VMID. 0 IN1RN_TO_IN1 R 0 IN1R PGA Inverting Input Select 0 = Not connected 1 = Connected to IN1RN Register 28h Input Mixer (2) |
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