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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