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WM8510GEDS/RV 데이터시트(PDF) 73 Page - Wolfson Microelectronics plc |
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WM8510GEDS/RV 데이터시트(HTML) 73 Page - Wolfson Microelectronics plc |
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73 / 81 page ![]() Pre-Production WM8510 w PD Rev 4.1 December 2006 73 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 2:0 MIC2_2BOOST VOL 000 Controls the auxilliary amplifer to the input boost stage: 000=Path disabled (disconnected) 001=-12dB gain through boost stage 010=-9dB gain through boost stage … 111=+6dB gain through boost stage Input Signal Path 8:4 00000 Reserved 3 MONOBOOST 0 Mono output boost stage control (see Table 30 for details) 0=No boost (output is inverting buffer) 1=1.5x gain boost Analogue Outputs 2 SPKBOOST 0 Speaker output boost stage control (see Table 30 for details) 0=No boost (outputs are inverting buffers) 1 = 1.5x gain boost Analogue Outputs 1 TSDEN 1 Thermal Shutdown Enable 0 : thermal shutdown disabled 1 : thermal shutdown enabled Output Switch 49 (31h) 0 VROI 0 VREF (AVDD/2 or 1.5xAVDD/2) to analogue output resistance 0: approx 1k Ω 1: approx 30 k Ω Analogue Outputs 8:6 000 Reserved 5 MIC2_2SPK 0 Output of auxiliary amplifier to speaker mixer input 0 = not selected 1 = selected Analogue Outputs 4:2 000 Reserved 1 BYP2SPK 0 Bypass path (output of input boost stage) to speaker mixer input 0 = not selected 1 = selected Analogue Outputs 50 (32h) 0 DAC2SPK 0 Output of DAC to speaker mixer input 0 = not selected 1 = selected Analogue Outputs 8 7 SPKZC 0 Speaker Volume control zero cross enable: 1 = Change gain on zero cross only 0 = Change gain immediately Analogue Outputs 6 SPKMUTE 0 Speaker output mute enable 0=Speaker output enabled 1=Speaker output muted (VMIDOP) Analogue Outputs 54 (36h) 5:0 SPKVOL 111001 Speaker Volume Adjust 111111 = +6dB 111110 = +5dB … (1.0 dB steps) 111001=0dB … 000000=-57dB Analogue Outputs 56 (38h) 8:7 0 Reserved |
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