Renesas RA Family EK-RA6M5 v1 – User's Manual
R20UT4829EG0100 Rev. 1.00 Page 26 of 34
Mar.15.21
Figure 19. Boot Mode
Note: The RA MCU fitted to the EK-RA6M5 board may not contain the latest version of the on-chip boot
firmware.
6. Special Feature Access Area
The Special Feature Access area provides features specific to the RA6M5 MCU group such as Ethernet
MAC controller, USB High Speed (Host and Device), Quad-SPI, Octo-SPI and CAN.
Figure 20. Special Feature Access Area
6.1 Ethernet
The Ethernet interface uses an RMII Ethernet Physical Layer Transceiver (PHY) (U4), connected to an RJ45
standard Ethernet connector (J5) with integrated magnetics and status indicators. The Ethernet clock is
sourced from a precision 25 MHz clock crystal connected directly to the Ethernet PHY.
The RMII signals used for the Ethernet port are connected from the RA MCU through a set of Trace Cut
Jumpers. To isolate the Ethernet PHY from the RA MCU, each of the RMII signal Trace Cut Jumpers must
be OPEN.
Table 20. Ethernet Port Assignments
Ethernet Signal Description
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