Internal Circuits Of The E2 Lite (When The Rl78 Family Is Connected) - Renesas E1 User Manual

E1/E20/E2/E2 Lite Additional Document
2.6.4

Internal Circuits of the E2 Lite (when the RL78 Family is Connected)

Figure 2-12 shows the internal circuits of the E2 Lite with the RL78 family connected.
Power-supply circuit
(only for use in the mode to
supply power to the user
system)
Emulator
control
circuit
Figure 2-12 Internal Circuits of the E2 Lite (when the RL78 Family is Connected)
R20UT2937EJ0301 Rev.3.01
Jul 1, 2020
3.3 V
74LVC125
74LVC8T245
74LVC125
74LVC8T245
74LVC125
74LVC8T245
74LVC125
74LVC8T245
74LVC125
74LVC8T245
74LVC125
74LVC8T245
100 kΩ × 5
47 Ω
47 Ω
47 Ω
47 Ω
3.3 V
100 kΩ
47 Ω
47 Ω
47 Ω
2. Designing the User System
User-side
connector
VDD
8
1 MΩ
RSTPU
4
TOOL0 5
RESET_IN
6
RESET_OUT
10
GND 14
EMVDD 9
RESET_OUT
13
Self-recovering
fuse
GND
2,12
1,3,7,11
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