Nmi Signal; Pp Signal; Nmi Signal Flow Path - NEC V850/SV1 User Manual

4.2 NMI Signal

The input signal (NMI signal) from the target system is delayed (t
QS3125 (Q switch) before it is input to the I/O chip of the emulator.
In addition, the DC characteristics change. The input voltage becomes V
the input current becomes I
Target system
4.3 V Signal
PP
The V signal from the target system is connected to LED via a 330-
PP
connected to the evaluation chip in the emulator.
28
CHAPTER 4
= 0.5 A (MAX.).
IN
Figure 4-2. NMI Signal Flow Path
NMI signal
Figure 4-3. V
V signal
Target system PP
User's Manual U14337EJ1V0UM00
CAUTIONS
= 0.25 ns (TYP.)) because it passes through
pD
= 2.0 V (MIN.), V
IH
IE-703040-MC-EM1
NMI pin QS3125
resistor in the emulator. It is not
Signal Flow Path
PP
IE-703040-MC-EM1
330 LED
= 0.8 V (MAX.), and
IL
I/O chip
Evaluation
chip