R0E521000CPE00 User’s Manual
2. Setup
REJ10J0845-0600 Rev.6.00 Aug. 20, 2009
Page 23 of 92
2.3.2 Setting the Jumpers on the R0E521000EPBM0 Board
Figure 2.3 shows the location of jumper switches on the R0E521000EPBM0 board and their factory-settings.
Figure 2.3 Jumper switches on the R0E521000EPBM0
Table 2.2 Setting jumper switches on the R0E521000EPBM0
Switch No.
Switch name
How to set
Description
JP1
POWER
selection
jumper
Settings of this jumper need to be changed according to the power
supply voltage and power supply condition of the user system.
For details, refer to “2.3.3 “Setting the POWER Selection Jumper”
(page 24).
JP2
RESET pin
pullup jumper
UP
DOWN
JP2
This jumper pulls the user system’s RESET pin high with 510 k
Ω
.
Although settings of this jumper do not normally need to be
changed,
if the 510 k
Ω
pullup presents a problem when the user
system is connected, the board may be used without this resistor
pullup.
CAUTION
Note on Changing Setting Jumper Switches:
z
Always shut OFF the emulator before changing the setting of the jumper switches. Otherwise the internal circuit
may cause a break.
J1
J2
IC8
R5E2E000FP
1
89
45
44
88
132
133
176
INT
EXT
JP1
DOWN
UP
JP2
R0E521000EPBM0
C1
C2
Front view
INT
EXT
JP1