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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