Request change TDA4VM processor xtal frequency

bangfei zong

Prodigy 170 points

Other Parts Discussed in Thread: TDA4VM

Hi, TI team:

Due to customer requirements, we need to change the crystal oscillator of tad4 to 25MHz.

Please help guide how to modify it .

Thanks

over 3 years ago

0 LeonardEllis over 3 years ago

TI__Guru 71526 points

Hello Bangfei,

Please provide more information. What is the processor part number?

Regards,

~Leonard

0 bangfei zong over 3 years ago in reply to LeonardEllis

Prodigy 170 points

Hi, Leonard

processor part :PROC112A1 (001)

Thanks

0 bangfei zong over 3 years ago in reply to LeonardEllis

Prodigy 170 points

The default crystal oscillator is 19.2Mhz , we want to modify it to 25Mhz

0 LeonardEllis over 3 years ago in reply to bangfei zong

TI__Guru 71526 points

Hello Bangfei,

I'm not finding any reference to PROC112A1 as a TI processor . Are you referring to the TDA4VM?

Regards,

~Leonard

0 bangfei zong over 3 years ago in reply to LeonardEllis

Prodigy 170 points

Hello,Leonard

The information is as follows

Thanks

0 bangfei zong over 3 years ago in reply to bangfei zong

Prodigy 170 points

0 Robert Eschler over 3 years ago in reply to bangfei zong

TI__Guru 52525 points

The boot frequency cannot be changed. The device supports several different boot frequencies including 25Mhz, but the board design pin settings only supports 19.2MHz. There is a 2nd crystal input available and currently not populated. You can rework the board to add a 25MHz crystal (example part number is ABM10W-25.0000MHZ-8-J1Z-T3 or other device with same device footprint). This would allow a 2nd reference frequency into the processor. However the boot frequency will still be 19.2Mhz.

0 bangfei zong over 3 years ago in reply to Robert Eschler

Prodigy 170 points

We refer to the following table，and MCU BOOTMODE pins are configured for 25 MHz reference clock。

Is the configuration correct ？

Thanks

0 Robert Eschler over 3 years ago in reply to bangfei zong

TI__Guru 52525 points

The board is populated with 19.2MHz, so the MCU_BOOTMODE[2:0] pins are set to '000' for 19.2MHz. If you change the WKUP_OSC crystal from 19.2MHz to 25MHz, yes the MCU_BOOTMODE[2:0] pin setting would need to change to '011' for 25MHz.

0 bangfei zong over 3 years ago in reply to Robert Eschler

Prodigy 170 points

Thanks for your reply.

Now we want to change the crystal oscillator. Besides the modification of the MCU_BOOTMODE[2:0] pin on the hardware, do we need any modification on the software？

Thanks

0 bangfei zong over 3 years ago in reply to Robert Eschler

Prodigy 170 points

We now change the crystal oscillator to 25MHz, and the MCU_BOOTMODE[2:0] pin is changed to 011.

Then use DFU to update the bin file, but he DFU device is not recognized.

0 Diwakar Dhyani over 2 years ago in reply to bangfei zong

TI__Guru 57115 points

Hi bangfei

Sorry for the long delay ,Does this issue still exists ?

Regards
Diwakar

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Request change TDA4VM processor xtal frequency