Sep 12, 2009 #1 M mohammad60 Newbie level 2 Joined Sep 12, 2009 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location iran Activity points 1,297 i want to increase speed of ports of st32f103 ? i have 4mhz with set and reset of one pin? but i want to receive 18mhz? please help me
i want to increase speed of ports of st32f103 ? i have 4mhz with set and reset of one pin? but i want to receive 18mhz? please help me
Sep 12, 2009 #2 ntfreak Full Member level 3 Joined Feb 22, 2002 Messages 150 Helped 6 Reputation 12 Reaction score 0 Trophy points 1,296 Location UK Activity points 1,252 Re: stm32f103 https://www.st.com/mcu/forums-cat-6133-23.html for details In a real application you will not get 18MHz. Cheers ntfreak
Re: stm32f103 https://www.st.com/mcu/forums-cat-6133-23.html for details In a real application you will not get 18MHz. Cheers ntfreak
Sep 13, 2009 #3 A Ave_Rapina Full Member level 2 Joined Jan 6, 2004 Messages 122 Helped 18 Reputation 36 Reaction score 4 Trophy points 1,298 Location Po Activity points 681 Re: stm32f103 Hello, First , you need to configure the clock pll and then chose the correct value of the prescaler to provide to the gpio divice attached to the port. Instructions regarding the commads to configure the clock you can find at stm. And 18 Mhz?? Hum i think is not so high. I never tested. If you need sample code, and the libraries, send email Regards
Re: stm32f103 Hello, First , you need to configure the clock pll and then chose the correct value of the prescaler to provide to the gpio divice attached to the port. Instructions regarding the commads to configure the clock you can find at stm. And 18 Mhz?? Hum i think is not so high. I never tested. If you need sample code, and the libraries, send email Regards
Sep 19, 2009 #4 bobcat1 Advanced Member level 4 Joined Jul 10, 2002 Messages 1,284 Helped 99 Reputation 198 Reaction score 34 Trophy points 1,328 Activity points 8,546 Re: stm32f103 Hi The STM32 DS says it can switch I/O as fast as 50MHz But you have to configer the clock & PLL to work as fast as this micro can - 72MHz All the best Bobi The microcontroller specialist
Re: stm32f103 Hi The STM32 DS says it can switch I/O as fast as 50MHz But you have to configer the clock & PLL to work as fast as this micro can - 72MHz All the best Bobi The microcontroller specialist