2-37
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Audio AMP (IC2201: AK4560VQ) pin functions (2/2)
Pin No. Label In/Out Description
33 CCLK In Control clock input
34 BCLK In Audio serial data clock
35 LRCK In Input/Output channel clock
36 MCLK In Master clock input
37 PD In Power down & reset, (L: Power- down & reset, H: Normal operation)
38 SPK+ Out Speaker Amp positive output
39 ND In Noise decrease (L: Disable, H: Enable)
40 SPK- Out Speaker Amp negative output
41 MIC SEL In Internal/External MIC detect, (L: Internal MIC, L: External MIC)
42 GND (SVDD) - Speaker Amp ground
43 SVDD (4.8V) - Speaker Amp power supply, (4.8V)
44 MIC_IN_R In R-ch MIC input
45 HPF_O_R Out R-ch HPF output
46 HPF_P_R In R-ch HPF-Amp positive input
47 EQ_O_R Out R-ch EQ-Amp output
48 EQ_P_R In R-ch EQ-Amp positive input
49 EQ_N_R In R-ch EQ-Amp negative input
50 PRE_O_R Out R-ch Pre-Amp output
51 PRE_N_R In R-ch Pre-Amp negative input
52 MPER (3.3V) - Not used
53 EXT MIC (Rch) In External MIC Rch input
54 INT_MIC (Rch) In Internal MIC Rch input
55 MRF Out MIC power supply ripple filter
56 MVCM (2V) Out MIC block common voltage output
57 GND (MVDD) - MIC block ground
58 MVDD (4V) - MIC block power supply
59 INT_MIC (Lch) In Internal MIC Lch input
60 EXT_MIC (Lch) In External MIC Lch input
61 MA_BIAS (2V) In MIC-Amp bias
62 PRE_N_L In L-ch Pre-Amp negative input
63 PRE_O_L Out L-ch Pre-Amp output
64 EQ_N_L In L-ch EQ -Amp negative input
Table 2-5-5 Audio AMP (IC2201: AK4560VQ) pin functions (2/2)
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