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TLV320DAC3101的I2S硬解問題

Other Parts Discussed in Thread: TLV320DAC3101

1. 声音播放的时候有POP音,比较小,随音量增加

2. TLV320DAC3101应用中耳机的接地pin要怎么处理?当前这个芯片是否可以通过软件配置自动识别这个信号?

    我们的应用是没有mic的,只有耳机输出和喇叭,要接了耳机关闭喇叭的。

3. JDpin如何处理(没有MIC)

附件是目前我这边的配置

EA_0001.txt
#			--------------------------------------------------------------- page 0 is selected 
w 30 00 00
#			 s/w reset
> 01
#			 PLL_clkin = BCLK,codec_clkin = PLL_CLK
w 30 04 07
> 94
> 07
> 00
> 00
#			 mode is i2s,wordlength is 16
w 30 1b 00
#			 Data-Slot Offset Programmability 1
> 01
> 00
> 00
#			 NDAC is powered up and set to 2
w 30 0b 82
#			 MDAC is powered up and set to 7
> 87
#			 DOSR = 128, DOSR(9:8) = 0
> 00
#			             DOSR(7:0) = 128
> 80
#			 DAC => volume control thru pin disable 
w 30 74 00
#			 DAC => drc disable, th and hy
w 30 44 00
#			 DAC => 0 db gain left
#w 30 41 00
#			 DAC => 0 db gain right
#> 00
#			--------------------------------------------------------------- page 1 (touch screen) is selected
w 30 00 01
#			 De-pop, Power on = 800 ms, Step time = 4 ms
w 30 21 4e
#			 HPL and HPR powered up
w 30 1f c2
#			 LDAC routed to HPL, RDAC routed to HPR
w 30 23 88
#			 HPL unmute and gain 1db
w 30 28 0e
#			 HPR unmute and gain 1db
> 0e
#			 No attenuation on HP
w 30 24 00
w 30 25 00

#			 MIC BIAS = AVDD
w 30 2e 0b
#			 MICPGA P = MIC 10k
w 30 30 40
#			 MICPGA M - CM 10k
> 40
#			--------------------------------------------------------------- page 0 is selected
w 30 00 00
#			 select DAC DSP mode 11 & enable adaptive filter
w 30 3c 0b
w 30 00 08
w 30 01 04
w 30 00 00
#			 POWERUP DAC left and right channels (soft step disable)
w 30 3f d6
#			 UNMUTE DAC left and right channels
> 00

#			--------------------------------------------------------------- page 1 is selected
w 30 00 01
w 30 23 08
w 30 23 00
w 30 26 00
w 30 27 00
w 30 23 40
w 30 23 44
w 30 26 b0
w 30 27 b0
w 30 2a 0d
w 30 2b 0d

w 30 00 01
#			 Unmute Class-D Left
w 30 2a 1c
#			 Unmute Class-D Right
w 30 2b 1c
#			 Power-up Class-D drivers
w 30 20 c6
#			w 30 24 30
#			w 30 25 30
#			w 30 31 00