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

E1/E20/E2/E2 Lite Additional Document
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.
Power-supply circuit
(only for use in the mode to
supply power to the user
system)
Emulator
control
circuit
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".
R20UT2937EJ0301 Rev.3.01
Jul 1, 2020
3.3 V
47 Ω
74LVC1T45
74LVC8T245
EMVDD
47 Ω
74LVC1T45
74LVC1T45
47 Ω
74LVC1T45
74LVC8T245
47 Ω
74LVC1T45
74LVC8T245
47 Ω
74LVC1T45
74LVC1T45
1 MΩ × 2
EMVDD
1 MΩ
3.3 V
100 kΩ
0.1 µF
2. Designing the User System
User-side
connector
VDD
8
100 kΩ
RSTPU
4
3 MΩ
TOOL0
5
RESET_IN
6
RESET_OUT
10
RESET_OUT
13
EMVDD
EMVDD 9
GND 14
Self-recovering
fuse
GND
2,12
Page 27 of 45