2-36
2. Audio AMP (IC2201: AK4560VQ) pin functions (1/2)
Pin No. Label In/Out Description
1 EQ_P_L In L-ch EQ-Amp positive input
2 EQ_O_L Out L-ch EQ-Amp output
3 HPF_P_L In L-ch HPF-Amp positive input
4 HPF_O_L Out L-ch HPF output
5 MIC_IN_L In L-ch MIC input
6 VCOM (1.5V) Out Common voltage output, (1/2VA)
7 VREF (1.5V) Out ADC, DAC reference level, (1/2VA)
8 GND (VA) - Analog ground
9 VA (3V) - Analog power supply, (3.0V)
10 LINE OUT2 (Rch) Out R-ch No. 2 line output -5.5dBV
×
VA=2.8V
11 OPGR In R-ch analog volume input
12 LINE OUT2 (Lch) Out L-ch No. 2 line output , -5.5dBV´VA=2.8V
13 OPGL In L-ch analog volume input
14 BEEP In Beep signal input
15 SHT In Shutter signal input
16 AVR OUT Out Analog mixing output
17 SP IN In ALC2 input
18 LINE IN (Lch) In L-ch line input
19 LINE OUT (Lch) Out L-ch No. 1 line output, +2dBV
×
VA=2.8V, VOL=+7.5dB
20 LINE IN (Rch) In R-ch line input
21 LINE OUT (Rch) Out R-ch No. 1 line output, +2dBV
×
VA=2.8V, VOL=+7.5dB
22 HVCM (2.4V) Out LINEOUT & HP-Amp common voltage output, (1/2HVDD)
23 HVDD (4.8V) - LINEOUT & HP-Amp power supply, (4.8v)
24 HP OUT (Rch) Out R-ch Headphone-Amp output
25 HP OUT (Lch) Out L-ch Headphone-Amp output
26 A_MUTE In Mute control, (L: Normal operation, H: Mute)
27 VD (3V) - Digital power supply, (3.0V)
28 GND (VD) - Digital ground
29 SDTO Out Audio serial data output
30 SDTI In Audio serial data input
31 DATA
In/Out
Control data I/O
32 CS In Chip select
Table 2-5-5 Audio AMP (IC2201: AK4560VQ) pin functions (1/2)