Renesas R0E521000EPB00, User Manual

Page: 38 / 88

R0R521000EPB00 User’s Manual 2. Setup
REJ10J0844-0400 Rev.4.00 October 16, 2007
Page 38 of 88
2.10 Setting Switches
2.10.1 Setting the Jumper on the Emulation Probe
Figure 2.16 shows the location of jumper switches on the R0E521000EPBM0 board and their factory-settings.
Figure 2.16 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. The
internal power supply is supplied to the evaluation MCU in factory
setting.
For details, refer to “2.10.2 “Setting the POWER Selection Jumper”
(page 39).
JP2
RESET pin
pullup jumper
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 Jumper Settings:
z
Always shut OFF the emulator before changing the setting of the jumper switches, and connecting the cable.
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
UP DOWN
JP2