Posted on January 17, 2017 at 04:08Hi:I use STM32F4 series and it works OK for one network PHY (using LwIP). As I know the F4 MAC interface can read/write  more than one PHY's. However only one set of MII/RMII interface pins and MAC hardware, imply ...

Posted on July 14, 2016 at 04:49Hi:   Are there any documents mentioned about chip selection for upgrading from STM32F4 to STM32F7? I find a document AN4660 talking about migration, thus I know STM32F756 is the candidate. However is there any table ...

Posted on May 19, 2016 at 05:12Hi:   My systems run STM32F427@168 MHz using external oscillator @ 8 MHz. The system will first run boot-loader then jump to main application. I find that sometimes the boot-time is long. After check it's due to boot-l...

Posted on February 25, 2016 at 03:23Hi:  Can STM guys help to make sure the PB12 location @ LQFP176 of STM32f469xx. On datasheet (DM00219980) Figure 1 (@page 14). pin 85 is mark as  PH8. However  @ Table 10 (@page59) pin 85 is PB12. Which is correct...

Posted on February 24, 2016 at 09:16Hi:  I use uVision 5.11.1.0, which does not contain new body ''STM32F469''. I try to use ''pack installer-> packs->check for updates'' to update database, but it failed with following message, from Keil's website,...