SYSCFG Clock STM32F4x
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Email to a Friend
- Report Inappropriate Content
‎2019-05-03 2:24 AM
Hi!
I am about to code my CLK enable tree, without CUBEMX. - I just took CUBEMX as referene.
CUBEMX generates me a line called __HAL_RCC_SYSCFG_CLK_ENABLE().
Unfortunately i could not find any clock called SYSCFG in the clock tree (CubeMX nor DM31020).
It seems that i only need it when i use ETH, memory remao, ext. or ext. interrupt.
So my questions are:
- Where do i get information about the SYSCFG CLK?
- Do i need to set up SYSCFG CLK. if i don't use any of the features mentioned above
- Why is SYSCFG CLK not visible in the CLK tree (may you also use another name for SYSCFG CLK?)
regards,
Walter
- Labels:
-
STM32F4 Series
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Email to a Friend
- Report Inappropriate Content
‎2019-05-03 3:29 AM
Enabling this clock is needed so that the SYSCFG module can be used
etc.
JW
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Email to a Friend
- Report Inappropriate Content
‎2019-05-03 3:38 AM
Thats excatly the information that i found, but nothing more. - Thanks anyway. Hoped to see a block diagram or something similar.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Email to a Friend
- Report Inappropriate Content
‎2019-05-03 5:04 AM
Well, there's nothing more to it. SYSCFG is just a collection of registers to control a few things, that did not fit elsewhere. And access to these registers is controlled by the clock enable bit in RCC.
JW
