Figure 2-2. SAMA7G54-EK Default Jumper Settings
Table 2-5. SAMA7G54-EK Jumper Settings
Jumper
State
Function
J2
Closed
VDDBU current measurement
J3
Open (default)
RMII Ethernet interface is selected.
Closed
The 4-microphone PDMIC interface is selected.
J22
Open (default)
Booting from on-board memory is permanently allowed and only disabled during SW4
pressure.
Closed
Booting from on-board memory is permanently disabled.
J25
Open (default)
Enables UART communication (CDC) between MPU and SAM3U.
Closed
Disables UART communication (CDC) between MPU and SAM3U.
J26
Open (default)
The on-board J-Link interface is enabled and used for MPU debugging.
Closed
The on-board J-Link interface is disabled. MPU debugging is done through the JTAG
connector (J27).
SAMA7G54-EK
Product Overview
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2022 Microchip Technology Inc.
and its subsidiaries
User Guide
DS50003273A-page 7