Log in to follow, share, and participate in this community. Question: If the RMII interface is provided to the physical transmission medium (PHY) and this provided a reference clock to the MAC (that is integrated into the microcontrollers) and operated at a tenth of the expect... Reading part IDs are the recommended way of determining the MAC IDs on different parts. The Ethernet PHY configuration is a one-time event. Once the configuration has been completed using MDIO and MCLK, these pins will no longer be required. It will then be possible to switch the pin function to USB. An... Ethernet bootloaders are available as part of the Flash Magic tool ( www.flashmagictool.com). After installing Flash Magic, you can find the bootloader in the Flash Magic\Ethernet Bootloader directory (C:\Program File... Recently NXP changed revision of the LPC2300/2400 families from Rev B to Rev D. This main implication of this change are summarized in the ES for the parts: “On the LPC23XX/LPC24XX Rev D, design changes ... Please see LPC2300 and LPC2400 Rev B to Rev D change Ethernet and Code execution for details regarding the change from Rev B to Rev D silicon differences.