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RH850/E2x 292pin
7. Jumper Configuration Examples
Several functions of the board can be configured via jumpers.
The board is shipped without any jumpers set.
For a complete list of jumpers refer to 2.1 Jumpers Overview.
For jumper settings related to the device operation mode, refer to 5.2 Operation Mode Selection.
The following sections show some jumper settings, that allow to operate the piggyback board in different power supply
configurations.
7.1
General Settings
All of the following board configurations are based on these conditions:
•
All voltages for all functions are activated.
•
Current measurements are not carried out, hence JP0, JP1 and JP2 are set.
•
Clock supply: assuming one of the resonators, coming with the board, are plugged into X1 socket.
•
For connection to external power supplies the 'banana-type' connectors CN8 to CN11 must be assembled on the
board.
•
The
blue
jumper are debug jumper and setting depend on the operating mode of the piggyback board.
Processor operation
Debug mode
Stand-alone operation
•
The
red
jumpers are related to the power supply configuration.
•
The
green
jumpers have to be set when using RH850/E2x-FCC1 processor. They must not be set when using
RH850/E2M processor.
Following jumper symbols are used:
−
: open jumper
−
: jumper must be set in the indicated position.
−
: jumper must be set; position can be defined by user.
Note
The pin 1 of a jumper can be identified by a
•
small circle near the jumper
•
square soldering pad.
R20UT4669ED0100 Rev.1.00
June 03, 2020
JP31 [TRST]
2-3 (TRST connected to CN25)
2-3 (TRST connected to CN25)
7. Jumper Configuration Examples
JP34 [AURORARES]
1-2 (AURORARES from TRST)
2-3 (AURORARES = GND)
Page 47 of 63
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