FS26 SBC FS1B pin High speed

kjy106906 — Wed, 23 Aug 2023 08:18:19 GMT

I am using SBC FS26.
After booting, FS1B should be raised to High very quickly.
The current SBC Watchdog window setting is 256 ms.
After SBC init, I have to do a Watchdog refresh once to raise FS1B to High.
Therefore, a delay of 200 ms is occurring.
Can I delete this delay?

Re: FS26 SBC FS1B pin High speed

JozefKozon — Thu, 24 Aug 2023 06:33:48 GMT

Dear Junyeong,

the FSxB can be released only after the initialization. Please refer to the section 15.3 in the FS26 datasheet, page 28. The initialization is closed by the first good watchdog refresh. Please refer to the section 22.6 in the page 163. in the FS26 datasheet. So unfortunately the FS1B cannot be raised earlier. I apologize for inconvenience.

With Best Regards,

Jozef

Other NXP ProductsのトピックFS26 SBC FS1B pin High speed

FS26 SBC FS1B pin High speed

Re: FS26 SBC FS1B pin High speed