Renesas QB-78K0FX2L User Manual page 29

QB-78K0FX2L In-Circuit Emulator
<3> Connect the exchange adapter and emulation probe to the target connector.
<4> Connect the GND wires on the target system side of the emulation probe to the target system
GND. If a pin or screw is fastened to the target system GND, remove the transparent terminal
cover on the end of the GND wire and fasten the Y terminal of the GND wire to the target system
(C in Figure 2-6). If the GND on the target system is an exposed pad, likewise fasten the Y
terminal to the pad on the target system by soldering (recommended soldering iron temperature
setting: 300°C).
<5> Since the length of the GND wire below the head (insulated part) is approximately 60 mm, there
must be a GND to which it can be connected to within the range of the two approximately 60 mm
radius sections of the target system for connecting the emulation probe, as shown in Figure 2-7.
(c) Ensuring isolation
When connecting the target system to the QB-78K0FX2L using an emulation probe, perform height
regulation using the front spacer or rear spacer of the QB-78K0FX2L and ensure isolation from the target
system.
(d) Precautions related to emulation probe
<1> Be careful that stress of the emulation probe is not placed on the target connector. Moreover, when
removing the emulation probe, remove it slowly while pressing down on the exchange adapter with a
finger so that there is no stress on the target connector.
<2> Be sure to connect the GND wire of the emulation probe to the QB-78K0FX2L and the target system.
If it cannot be connected, the impedance of the cable is unstable and could bring about lowering of
signal transmission characteristics or distortion of the output waveform for an input waveform.
R20UT2057EJ0100 Rev.1.00
2012.05.18
Figure 2-7 Where GND Wire Can Be Connected
CHAPTER 2 SETUP PROCEDURE
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