25
Pin No. Pin Name I/O
Function
31 RIN– I Rch analog negative input pin
32 RIN+ I Rch analog positive input pin
33 DZF2 O Zero input detect 2. (Not used.)
34 VCOM O
Common voltage output pin, AVDD/2
Large external capacitor is used to reduce power-supply noise
35 VREFH I “Positive voltage reference input pin, AVDD”
36 A. 5V — Analog power supply pin
37 A. GND — Analog ground pin
38 DZF1 O Zero input detect 1. (Not used.)
39 MCLK I Master clock input pin
40 P/S I
Parallel/serial select pin
“L”: serial control mode, “H”: parallel control mode (Connected to ground)
41 DIFø/CSN I
Audio data interface formtat. (At pararel control mode.)
Chip select pin in serial mode
42 CCLK I Control data clock pin in serial mode
43 CDTI I Control data input in serial mode
44 LOOP1 I Loop back model
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