Renesas e1 User Manual

E1/E20/E2/E2 Lite Additional Document 2. Designing the User System
R20UT2937EJ0301 Rev.3.01 Page 27 of 45
Jul 1, 2020
2.6.3 Internal Circuits of the E2 (when the RL78 Family is Connected)
Figure 2-11 shows the internal circuits of the E2 with the RL78 family connected.
3 MΩ
RSTPU
VDD
4
8
3.3 V
EMVDD
TOOL0
5
EMVDD
6
RESET_IN
10
RESET_OUT
3
.3 V
100 kΩ
GND
14
13
RESET_OUT
2,12
GND
EMVDD
EMVDD
9
1 MΩ
74LVC1T45
74LVC1T45
74LVC1T45
74LVC1T45
74
LVC1T45
0.1 µF
100 kΩ
74
LVC1T45
Emulator
control
circuit
Power-supply circuit
(only for use in the mode to
supply power to the user
system)
User-side
connector
Self-recovering
fuse
47 Ω
47 Ω
47 Ω
47 Ω
47 Ω
1 MΩ × 2
74LVC1T45
74LVC8T245
74
LVC8T245
74LVC8T245
Figure 2-11 Internal Circuits of the E2 (RL78 Family)
Set the switch on the 20-pin (1.27-mm pin spacing) to 14-pin (2.54-mm pin spacing) connector
conversion adapter to position “3”.

Renesas e1 Specifications

General

Brand	Renesas
Model	e1
Category	Computer Hardware
Language	English