Hello All,
Still Looking for your kind response to my previous mail.

Thanks in advance.

On Fri, Feb 12, 2021, 11:25 PM Muhammad Usman Akbar <usmanakbar...@gmail.com>
wrote:

> Hello All,
> Still Looking for your kind response.
>
> Thanks in advance.
>
>
> On Wed, Feb 10, 2021, 7:45 PM Muhammad Usman Akbar <
> usmanakbar...@gmail.com> wrote:
>
>> Hello all.
>> I am working on Sm1000 hardware circuit design.
>> My first step is to design complete circuit of "SM1000 Version F"
>> available on GitHub. I completed this part, I used almost same components
>> that mention in the schematic but few of them are alternate.
>> My second step is to test the power circuit of Sm1000, I completed this
>> part too and verify+5V and +3.3V power circuit.  My circuit takes three
>> different veroboard to complete and I aslo connected VDD, AVdd and grounds
>> of all veroboard together and verify (short circuit or not).
>> I connect all the components exactly as on the schematic-F.
>> In third step I am using STM32F407 discovery board and upload the"dfuse
>> file" available on the github and follow the procedure same as mentioned on
>> github. During upload I verify the product ID and vendor code exactly as
>> mentioned on GitHub.
>> In forth step, I start connecting SM1000-F with STM32F407 as per the
>> schematic design F.
>>
>> During these four steps I faced some problems and looking for a kind
>> response from all experts.
>>
>> 1. When I upload dfuse file to stm32f407 discovery board, it shows upload
>> successful "file size of 293KB but when I opened the properties of stm32
>> memory shows only 8KB or sometime 20 KB of data in it.
>>
>> 2. Stm32F407 have 100 pins on two sides, mentioned as P1 and P2, both P1
>> and P2 has 50, 50 pins... When I start connecting schematic F with
>> discovery board of STM 32F407, I easily connect "PE1 with PE1" (nets
>> connection) as mentioned..  but when I move towards power circuit of
>> STM32F407 than I am confused, as on STM32F407 schematic F power circuit
>> labeled as "U1B" grounds and VDD pins are not same as on the discovery
>> board of STM32F407. Like Vref+,VBat, Bad, vdd2 etc.
>>
>> 3. When I turn on the circuit design on vero board, all the connections
>> are okay, I measured and verify 5V in power circuit. But"pwr_led" available
>> on schematic F (led-0) not ON and when i pressed PTT than"LED PTT" also not
>> working but when i measured voltage with multimeter on these 2 LEDs than
>> both LEDs have 3.3V available.
>>
>> I really appreciate your answers. Thanks in advance.
>>
>> Regards:
>> Usman
>>
>
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