[参考译文] TLV320ADC5120：如何在没有任何外部 CLK 的情况下配置 TLV320ADC5120的 VAD 功能？

您好！

附加的此脚本使用具有内部振荡器时钟的板载麦克风。 请在测试期间与您的脚本进行交叉检查。

# Power up IOVDD and AVDD power supplies
# Wait for 1ms.
#
w 9C 00 00 # Goto Page 0
w 9c 01 01 # reset device
w 9c 00 00 # go to page 0
w 9C 02 81 # Wake-up device and enable AREG
#ASI Configuration
w 9c 07 00
w 9c 0b 00
w 9c 0c 01
w 9c 0d 02
w 9c 0e 03
d 10 # Wait for 16 ms
w 9c 00 07 # go to page 7
w 9c 7c 00 5d c0 00 # 3s learning period
w 9c 00 09 # go to page 9
w 9c 50 00 72 59 dc # -7dB threshold
w 9C 00 00 # Goto Page 0
w 9c 3c 00 # channel 1 set to Analog input
w 9c 41 40 # channel 2 set to PDM input
w 9c 73 a0 # I/P channel 1 enabled
w 9c 74 a0 # ASI out ch 1 & 3 enabled
w 9c 21 22 # GPIO1 as IRQ (latched only) driving high and low
w 9c 22 01 # GPO disabled
w 9c 2b 00 # GPI disabled
w 9c 3b 00 # GPI2 disabled
w 9c 33 e7 # unmask VAD interrupt, 
w 9c 32 60 # 2ms one time pulse
w 9c 6b 03 # cutoff frequency 0.008fs
w 9c 00 01 # go to page 1
w 9c 1e 40 # Channel 1 as VAD input, auto mode , internal clk
w 9c 1f 08 # VAD enabled in recording mode
w 9c 00 00 # go to page 0
w 9c 75 e1 # Enable VAD, power up adc and pdm channels, micbias