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Last updated: 27 Aug 2020
WIZwiki-W7500 is a SoC platform board based on the W7500 chip = ARM Cortex-M0 that integrates 128KB Flash and hardwired TCP/IP core. If you use WIZwiki-W7500 board, you can easily …
Timings and Delays
Topic last updated 06 Mar 2016, by 
Vladimir Akopyan.
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Vladimir Akopyan.
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There is a discussion on Github of an issue with timings with this board.
Basically: At 20 MHz SystemCoreClock a wait_us(5) is actually 21uS:
See more details here: https://github.com/mbedmicro/mbed/issues/1524