Datasheet

GRXCK and GTXCK may malfunction as the GMAC is switched into and out of internal loop back. It is important that
receive and transmit circuits have already been disabled when making the switch into and out of internal loop back.
Value Description
0
Loop back local is disabled.
1
Loop back local is enabled.
SAM E70/S70/V70/V71 Family
GMAC - Ethernet MAC
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 624