PCM1864-Q1: reference code

Jiawei Hu1

Expert 4655 points

Part Number: PCM1864-Q1
Other Parts Discussed in Thread: PCM1864

Hi team,

Does PCM1864 have reference code provided with customer? Thanks!

B.R

Jiawei

over 2 years ago

0 Sanjay Dixit over 2 years ago

TI__Mastermind 22860 points

Shall respond by 16/10

0 Jiawei Hu1 over 2 years ago in reply to Sanjay Dixit

TI__Expert 4655 points

SCH-PCM1864.pdf

Hi Sanjay,

Now customer meet abnormal record audio issue, they found PCM1864 SDOUT is abnormal, like below. Customer register configuration is as below, pls help review. Could you kindly tell me that SDOUT is normal or not? And also tell me why page0 register 120 bit2 is o? Thanks!

Customer are pushing very hard, pls help check this issue, appreciate for your help!

B.R

Jiawei

0 Jiawei Hu1 over 2 years ago in reply to Jiawei Hu1

TI__Expert 4655 points

Hi Sanjay,

Do we have any update here? Thanks!

0 Sanjay Dixit over 2 years ago in reply to Jiawei Hu1

TI__Mastermind 22860 points

I notice in adequete decoupling Capacitor on IOVDD Line. Please place 10uf.

Check DVDD,AVDD with CRO to see if proper Voltage level is present

0 Sanjay Dixit over 2 years ago in reply to Sanjay Dixit

TI__Mastermind 22860 points

Can you also please send me I2C Register data . I cant see the plot properly

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PCM1864-Q1: reference code