11 RESET DI TAS5508 reset signal
12 HP-SEL DI Headphone/microphone selection bit
13 PDN DI Power failure control bit
14 MUTE DI Mute control bit
15 DVDD Digital 3.3V power supply
16 DVSS Digital ground
17 VR-DPLL Reference voltage of digital PLL power supply 1.8V
18 OSC-CAP AO Oscillator capacitor connection end
19 XTL-OUT AO Clock signal output
20 XTL-IN AI Clock signal input
21 RESERVED Connect digital signal ground
22 RESERVED Connect digital signal ground
23 RESERVED Connect digital signal ground
24 SDA DI/DO Series control data input/output
25 SCL DI Series control clock
26 LRCLK DI Left/right audio control clock
27 SCLK DI Series audio control clock
28 SDIN4 DI Left/right channel audio data input
29 SDIN3 DI Surround left/right channel audio data input
30 SDIN2 DI Microphone/external left/right channel audio data input
31 SDIN1 DI Centre/subwoofer audio data input
32 PSVC Power supply controlled by bandwidth modulation volume
33 VR-DIG Reference voltage of digital kernel power supply 1.8V
34 DVSS Digital ground
35 DVSS Digital ground
36 DVDD Digital 3.3V power supply
37 BKND-ERR DI External chip TAS5512 correction signal input
38 DVSS Digital ground
39 VALID DO Output external chip TAS5512 reset signal
40 PWM-M-1 DO Power amplifier left channel PWM output (negative end)
41 PWM-P-1 DO Power amplifier left channel PWM output (positive end)
42 PWM-M-2 DO Power amplifier right channel PWM output (negative end)
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