4.
Installation and Operation
4.1
System and Configuration Requirements
The SAMA7G54-EK requires the following:
• A personal computer
• A USB-A to USB-microAB cable (provided in the kit box)
• An AC/DC wall adapter (not provided in the kit box) in case of high power consumption system
4.2
Board Setup
Follow these steps before using the SAMA7G54-EK:
1.
Unpack the board, taking care to avoid electrostatic discharge.
2.
Check the
.
3.
Connect the USB-micro-AB cable to connector J24 (J-Link-OB USB port).
4.
Connect the other end of the cable to a free port on the PC.
5.
Open a terminal (console 115200, N, 8, 1) on the PC.
6.
Supply the board by performing one of the following connections:
a.
USB-micro-AB cable to connector J7 (USB-A port)
b.
AC/DC wall adapter to connector J1 (DC jack connector)
7.
Reset the board.
8.
A startup message appears on the console as shown in the picture below.
Figure 4-1. Start-Up Message on Console
4.3
Startup Conditions
The board startup is managed by the power panagement unit MCP16502. The MCP16502 generates all the power
supplies required by the processor and the system. For more details on the power-up conditions, refer to the
MCP16502 data sheet. See
Several startup scenarios are applicable depending on the status of the default board configuration:
• The backup battery is not charged. This is the case for the board first use.
– The backup battery is empty or below the value of V
threshold
.
SAMA7G54-EK
Installation and Operation
©
2022 Microchip Technology Inc.
and its subsidiaries
User Guide
DS50003273A-page 67