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Renesas e1 User Manual
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E1/E20
/
E2/E2 L
ite
Ad
dit
ional Doc
ument
2
.
Desi
gning t
he User
Sys
tem
R20UT
2937
EJ0
30
1
Rev
.3.0
1
P
age
26
of
45
Jul 1
, 20
20
2.6.2
Internal
Circuits of
the E2
0
(
when the
RL78
F
amil
y
is
C
onnected
)
Figure
2-
10
s
how
s
th
e inter
nal c
ircuits of
the E2
0
with t
he
RL78 f
amily c
onnecte
d
.
Emulator
control
circuit
100 k
Ω
RSTPU
VDD
4
8
22
Ω
74LVC
125
74LVC
8T
245
3.3
V
EMVDD
TOOL0
5
74
LVC
125
EMVDD
74LVC125
74LVC8T245
6
RESET_
IN
74LVC125
74LVC8
T245
22
Ω
10
RESET_OUT
3.3
V
74
LVC125
22
Ω
100 k
Ω
GND
14
3.3 V
74LVC8T
245
13
RESET_OUT
22
Ω
470
Ω
2,12
GND
EMVDD
EMVDD
9
22
Ω
22
Ω
74LVC2T245
100 k
Ω
74
LVC
125
100 k
Ω
× 2
100
k
Ω
Self
-recovering
fuse
User-
side
connector
Figure
2-
10
In
ter
nal Circ
uits
of the E
20 (RL78 F
amily
)
25
27
Table of Contents
Default Chapter
4
Table of Contents
4
1 Overview
7
Overview of E1/E20/E2 Emulator and E2 Emulator Lite
7
Note on Using E20
7
Configuration of Manuals
8
Supported Devices
10
Overview of the Specifications of the External Trigger Input and Output
11
Assignments of the External Trigger Input and Output Pins
11
Specifications of the External Trigger Inputs and Outputs
12
2 Designing the User System
13
Connecting the E1/E20/E2/E2 Lite to the User System
13
Installing the Connector on the User System
13
Connecting the User System Interface Cable to the 14-Pin Connector
13
Pin Assignments of the Connector on the User System
17
14-Pin Connector Specifications
17
Recommended Circuits between the Connector and the MCU
19
Connection between the 14-Pin Connector and the RL78 Family Mcus
19
Notes on Connection
20
RESET# Pin
21
TOOL0 Pin
22
Gnd
23
VDD
23
Internal Circuits of the Emulator
25
Internal Circuits of the E1 (When the RL78 Family Is Connected)
25
Internal Circuits of the E20 (When the RL78 Family Is Connected)
26
Internal Circuits of the E2 (When the RL78 Family Is Connected)
27
Internal Circuits of the E2 Lite (When the RL78 Family Is Connected)
28
Notes on Designing the User System
29
Isolator for the E1
29
2.7.2 Low-Voltage OCD Board
29
Small Connector Conversion Adapter for the E1
30
3 Notes on Usage
32
Turning the Power On/Off
32
When a Separate Power Supply Is Used for the User System
32
When Power Is Supplied to the User System from the Emulator (E1/E2/E2 Lite Only)
34
Power Supply Function of the E1/E2/E2 Lite
35
MCU Resources to be Occupied
36
Securing an Area for the Debugging Monitor Program
36
Securing a Stack Area for Debugging
37
Setting an On-Chip Debugging Option Byte
37
Setting a Security ID
38
Area for Pseudo-Rrm/Pseudo-DMM
38
Reset
39
Operation after a Reset
39
SP Value after a Reset
39
Flash Memory
39
Operation for Voltages Not Permitting Flash Memory Rewriting
39
Notes on Flash Memory Rewriting
39
RESET# Multiplexed Pin
39
Mcus that Are Used in Debugging
40
Usage in Mass-Production
40
Standalone Operation
40
Final Evaluation of the User Program
40
Debug Functions
41
Step Execution
41
Go to Here]
41
Debugging in Standby Mode
41
Pseudo-Real-Time RAM Monitor Function or Pseudo-Dynamic Memory Modification Function
41
Software Break Functions
42
Extended Functions of the E2
42
Revision History
43
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Quick Start Guide
5 pages
4
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Renesas e1 Specifications
General
Brand
Renesas
Model
e1
Category
Computer Hardware
Language
English
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