Hi Sirs,
Customer encounters an ADC3101 PRB2 coding problem which needs product line's suggestion. The CFG source is:
When we wrote "w 30 51 c0" (line 35), the page 4 data will be cleared to zeros. Would you please assist us to review if there is missing or mistake with the CFG?
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01 - # Device Initialization
02 - w 30 00 00 # Page 0
03 - w 30 01 01 # Reset
04 - w 30 3D 01 # Processing Block PRB_R1
05 - # Clock configuration.
06 - # MCLK = CLKIN = 2.048MHz
07 - # WCLK = Fs = 8KHz
08 - # BCLK = 64×Fs = 512KHz
09 - w 30 12 81 82 # NADC 1, MADC 2
10 - w 30 1D 03 # BDIV_CLKIN = ADC_MOD_CLK (1.024MHz) / N
11 - w 30 1E 82 # BCLK = 1.024MHz/2 = 512KHz
12 - w 30 1B 4C # BCLK and WCLK are outputs in DSP mode (Master mode)
13 - # Micbias Configuration
14 - w 30 00 01 # Page 1
15 - w 30 33 50 # MICBIAS 1/2 = 2.5V
16 - # Digital Mic Configuration
17 - w 30 00 00 # Page 0
18 - w 30 33 28 # DMCLK = ADC_MOD_CLK (required for DMIC operation)
19 - w 30 34 04 # DMDIN is the input for DMICs
20 - w 30 50 02 # DMIC L-Ch read at DMCLK falling edge, R-Ch at rising edge
21 - w 30 51 CE # ADCs ON, DMIC is enabled on both channels, Soft-stepping disabled
22 - w 30 52 00 #ADCs Unmuted
23 - w 30 00 00
24 - w 30 53 28
25 - w 30 54 28
26 - w 30 00 00
27 - w 30 3D 02
28 - w 30 51 00
29 - w 30 00 04
30 - w 30 0E 7F AA 80 56 7F AA 7F AA 80 AB 7F FF 7F FF 7F FF AE 51 C3 16 7F FF 00 00 00 00 00 00 00 00
31 - w 30 2C 7F FF 00 00 00 00 00 00 00 00 7F FF 00 00 00 00 00 00 00 00
32 - w 30 4E 7F AA 80 56 7F AA 7F AA 80 AB 7F FF 7F FF 7F FF AE 51 C3 16 7F FF 00 00 00 00 00 00 00 00
33 - w 30 6C 7F FF 00 00 00 00 00 00 00 00 7F FF 00 00 00 00 00 00 00 00
34 - w 30 00 00
35 - w 30 51 C0
36 - w 30 52 00
37 - # Digital Mic Configuration
38 - w 30 00 00 # Page 0
39 - w 30 33 28 # DMCLK = ADC_MOD_CLK (required for DMIC operation)
40 - w 30 34 04 # DMDIN is the input for DMICs
41 - w 30 50 02 # DMIC L-Ch read at DMCLK falling edge, R-Ch at rising edge
42 - w 30 51 CE # ADCs ON, DMIC is enabled on both channels, Soft-stepping disabled
43 - w 30 52 00 #ADCs Unmuted
44 - w 30 00 00
45 - w 30 53 28
46 - w 30 54 28
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Thank you and Best regards,
Wayne Chen
05/28/2019
