
E1/E20 Emulator Outline
R20UT0398EJ0400 Rev.4.00 Page 16 of 39
May 16, 2014
1.7. The Names of the Emulator Parts
The names of the emulator parts are given in Figures 1.4 to 1.6.
ACT RESET
VCC
SELF CHECK
RUN
(a)
(c)
(d)
(e)
(f)
(b)
TOP
SELF CHECK
ACT
RESET
VCC
RUN
(a)
(d)
(e)
(c)
(b)
(f)
The casing bears the “RENESAS E1” or “RENESAS E20” logotype.
(b) Connector for
A connector for use in self-checking. The lid is usually closed because this connector is not
used during debugging. For details on the self-checking procedure, refer to appendix A.
(c) ACTIVE LED: Marked ‘ACT’. This LED indicates the operating state of the E1 or E20 control software.
Illuminated: The emulator is usable.
Blinking: The USB driver has not been recognized (e.g. the USB driver has not correctly
been installed).
Not illuminated: The emulator is not usable for some reason.
(d) VCC LED: Marked ‘VCC’. This LED indicates the current state of power supply to the user system.
Illuminated (orange): The emulator is supplying power to the user system.
Illuminated (yellowish green): External power for the user system is on.
Not illuminated: The user system is not being supplied with power.
(e) RESET LED: Marked ‘RESET’. This LED indicates whether or not the signal on the MCU RESET pin of the
user system is being enabled.
Illuminated: The reset signal is enabled.
Not illuminated: The reset signal is disabled.
(f) RUN LED: Marked ‘RUN’. This LED indicates whether or not the MCU on the user system is running.
Illuminated: The user program is running.
Not illuminated: A break in execution of the user program
Figure 1.4 E1 and E20 Top View
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