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ALC5642R-VF-CG 数据表(PDF) 43 Page - Realtek Semiconductor Corp. |
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ALC5642R-VF-CG 数据表(HTML) 43 Page - Realtek Semiconductor Corp. |
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43 / 156 page  ALC5642-VF Datasheet Multi-Channel Audio Hub/CODEC with embedded Voice DSP and SounzReal TM Digital Sound Effect 31 Rev. 0.93 7.9. Multi-Function Pins There are five multi-function pins in ALC5640. For different functions in each pins are controlled by register. You need to set the right register settings for each multi-function pins by your application. GPIO1/IRQ – Pin 40 The pin default is GPIO function. If want to change to IRQ output, write MX-C0[15] to 1 ’b that will switch to IRQ function. GPIO2/DMIC_SCL – Pin 41 The pin default is GPIO function. If want to change to DMIC clock output, write MX-C0[14] to 1 ’b that will switch to DMIC clock output function. IN1P/DMIC1_DAT – Pin 5 The pin default is DMIC1 data input function. In DMIC1 data input function, need to set these register settings: 1. Power down IN1P – MX-64[15] = 0’b 2. Mute IN1 to each analog mixer - (RECMIXL/RECMIXR/OUTMIXL/OUTMIXR/SPOLMIX/SPORMIX/MONOMIX). 3. Set IN1 as single-end mode – MX-FA[9] = 1’b In IN1P microphone input function, need to power down DMIC interface – MX75[15] = 0’b. IN1N/DMIC2_DAT/JD1 – Pin 6 The pin default is DMIC1 data input function. In DMIC2 data input function, need to set these register settings: 1. Power down IN1N – MX-64[15] = 0’b 2. Mute IN1 to each analog mixer - (RECMIXL/RECMIXR/OUTMIXL/OUTMIXR/SPOLMIX/SPORMIX/MONOMIX). 3. Set IN1 as single-end mode – MX-FA[9] = 1’b In IN1N microphone input function, need to power down DMIC interface – MX75[15] = 0’b. In JD1 jack detection function, need to set these register settings: 1. Power down IN1N – MX-64[15] = 0’b 2. Mute IN1 to each analog mixer - (RECMIXL/RECMIXR/OUTMIXL/OUTMIXR/SPOLMIX/SPORMIX/MONOMIX). 3. Set IN1 as single-end mode – MX-FA[9] = 1’b 4. Enable JD1 as jack detection source – MX-BB[15:13] = 010’b |
类似零件编号 - ALC5642R-VF-CG |
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类似说明 - ALC5642R-VF-CG |
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