Renesas E2 Emulator, E2 Emulator Lite User Manual
E2 Emulator, E2 Emulator Lite
Supported Devices:
Rev.1.00 Mar 2020
All information contained in these materials, including products and product specifications,
Corporation. website (http://www.renesas.com).
RA Family
Additional Document for User’s Manual
(Notes on Connection of RA Devices)
represents information on the product at the time of publication and is subject to change by
Renesas Electronics Corporation. without notice. Please review the latest information published
by Renesas Electronics Corporation. through various means, including the Renesas Electronics
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Table of Contents
1. Overview .......................................................................................................................... 5
1.1 Overview of E2 Emulator and E2 Emulator Lite ...................................................................................... 5
1.2 Configuration of E2/E2 Lite Manuals ....................................................................................................... 5
1.3 Preparation .............................................................................................................................................. 6
1.4 Supported Devices ................................................................................................................................... 6
2. Designing the User System ............................................................................................. 7
2.1 Connecting the Emulator with the User System ...................................................................................... 7
2.2 Installing the Connector on the User System .......................................................................................... 7
2.2.1 Connecting the User System Interface Cable to the 20-Pin Connector ........................................ 8
2.3 Pin Assignments of the Connector on the User System .......................................................................... 9
2.3.1 20-Pin and 10-Pin Connector Specifications ................................................................................. 9
2.4 Recommended Circuit between the Connector and the MCU............................................................... 12
2.4.1 SWD Interface Connection ........................................................................................................... 13
2.4.2 JTAG Interface Connection .......................................................................................................... 14
2.5 Notes on Connection ............................................................................................................................. 15
2.5.1 RES Pin ........................................................................................................................................ 15
2.5.2 MD Pin .......................................................................................................................................... 16
2.5.3 GND ............................................................................................................................................. 17
2.5.4 VCC .............................................................................................................................................. 17
2.5.5 RxD9 and TxD9 Pins (Flash Programming via an SCI) ............................................................... 17
2.6 Internal Circuits of the Emulator ............................................................................................................ 18
2.6.1 Internal Circuits of the E2 ............................................................................................................. 18
2.6.2 Internal Circuits of the E2 Lite ...................................................................................................... 19
3. Notes on Usage ............................................................................................................. 20
3.1 Turning the Power On/Off ...................................................................................................................... 20
3.1.1 When a Separate Power Supply is Used for the User System .................................................... 20
3.1.2 When Power is Supplied to the User System from the Emulator ................................................ 21
3.2 Power Supply Function of the E2/E2 Lite .............................................................................................. 21
3.3 Notes on Using the Emulator Debugger ................................................................................................ 22
3.3.1 Notes on Connecting the Emulator Debugger ............................................................................. 23
3.3.2 Notes on a Debugging Operation that Involves Reprogramming of Flash Memory .................... 24
3.3.3 Note on Using Software Breaks in the On-Chip SRAM ............................................................... 26
3.3.4 Notes on Using Software Breaks (Common to the On-Chip SRAM and Flash Memory) ............ 27
3.3.5 Note on Peripheral I/O Registers Occupied by the Debugger ..................................................... 27
3.3.6 Note on Using the Trace Function ............................................................................................... 27
3.3.7 Notes on Low-Power Modes ........................................................................................................ 28
3.3.8 Current Drawn during Debugging ................................................................................................ 28
3.3.9 Note on the Memory Protection Units (MPUs) ............................................................................. 29
3.4 MCUs that are Used in Debugging ........................................................................................................ 29
3.5 Final Evaluation of the User Program .................................................................................................... 29
Terminology
Some specific words used in this user's manual are defined below.
Host machine
This means a personal computer used to control the emulator.
User system
This means a user's application system in which the MCU to be debugged is used.
User program
This means the program to be debugged.
Programming Software
In this document, this indicates the Renesas Flash Programmer that can be used with the E2 or E2 Lite.
Emulator
In this document, this refers to the E2 or E2 Lite.
E2/E2 Lite Overview
1. Overview
1.1 Overview of E2 Emulator and E2 Emulator Lite
In this document, we describe ‘E2 Emulator’ as ‘E2’ and ‘E2 Emulator Lite’ as ‘E2 Lite’.
The E2 and E2 Lite are on-chip debugging emulators for Renesas' mainstream MCUs.
The E2 Lite is highly affordable development tools providing basic debugging functions. The E2 handles highspeed downloading at up to twice the rate of the E2 Lite. In addition, the E2 can supply power that is
adjustable from 1.8 V to 5.0 V at 0.1-V intervals. As a development tool, the E2 allows more advanced
debugging than the E2 Lite. The E2 and E2 Lite can also serve as a Flash Programmer.
1.2 Configuration of E2/E2 Lite Manuals
The E2/E2 Lite manual consists of the following.
• E2 Emulator User’s Manual
• E2 Emulator Lite User’s Manual
• E2 Emulator, E2 Emulator Lite Additional Document for User’s Manual
Be sure to read each user’s manual before using the E2 or E2 Lite.
(1) E2 emulator user’s manual
The E2 emulator user’s manual has the following contents:
Components of the E2
E2 hardware specification
Connection to the E2 and the host machine and user system
(2) E2 Emulator Lite user’s manual
The E2 Emulator Lite user’s manual has the following contents:
Components of the E2 Lite
E2 Lite hardware specification
Connection to the E2 Lite and the host machine and user system
(3) E2 Emulator, E2 Emulator Lite Additional Documents for User's Manual (Notes on Connection of RA
Devices) (this document)
The E2 Emulator, E2 Emulator Lite Additional Documents for User's Manual (Notes on Connection of RA
Devices) describes information necessary for hardware design such as connection examples and interface
circuits.
(4) Renesas Flash Programmer Flash memory programming software User’s Manual
The Renesas Flash Programmer Flash memory programming software User’s Manual describes the
specifications of the software and the method of operation for the Renesas Flash Programmer.
• For the features and the method of operation of the E2 or E2 Lite emulator debugger, refer to the help
system for the e
2
studio.
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E2/E2 Lite Overview
E2
E2 Lite
SWD I/F
JTAG I/F
SCI I/F
SWD I/F
JTAG I/F
SCI I/F
*
DBG: Can be used for debugging, PRG: Can be used for flash programming
1.3 Preparation
Obtain an integrated development environment (IDE) and other required software from links at the following
URL and install them on the host machine.
https://www.renesas.com/development-tools
1.4 Supported Devices
Table 1.1 Supported Device List
Supported Device
RA2 series DBG PRG DBG PRG
RA4 series DBG DBG PRG DBG PRG
RA6 series DBG DBG PRG DBG PRG
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E2/E2 Lite Designing the User System
Connector
Type Number
Manufacturer
Specifications
20-pin (1.27-mm pin
FTSH-110-01-L-DV-K
Samtec
20-pin surface-mount technology
10-pin (1.27-mm pin
FTSH-105-01-L-DV*
Samtec
10-pin SMT straight type
Cable Type
Type Number
E2
E2 Lite
20-pin to 10-pin cable
RTE0T00020KCAC1000J
Separately sold
Separately sold
2. Designing the User System
2.1 Connecting the Emulator with the User System
To connect the emulator, a connector for the user system interface cable must be mounted on the user
system.
When designing the user system, read this section of this manual and the hardware manual for the MCUs.
2.2 Installing the Connector on the User System
Table 2.1 and Table 2.2 list the recommended connectors and user system interface cables for the emulator,
respectively.
Table 2.1 Recommended Connectors
pitch) connector
10-pin (1.27-mm pin
pitch) connector
pitch) connector
Note: When using a connector without a guide marking (keying-shroud type), take care with regard to the direction for
insertion of the cable.
FTSH-105-01-L-DV-K Samtec 10-pin SMT straight type
(without a marking for
matching the position
of the connector;
keying shroud)
(SMT) straight type
Table 2.2 User System Interface Cables
20-pin to 20-pin cable*
(for the 20-pin (1.27-mm
pin pitch) connector)
(for the 20-pin (1.27-mm
pin pitch) connector)
Note: The 20-pin to 20-pin cable can be connected to the guideless 10-pin (1.27-mm pin pitch) connector; when doing
so, however, check the pin assignments and take care with regard to the direction for insertion of the cable.
RTE0T00020KCAC0000J Comes with the product Separately sold
Only connect the emulator after confirming that there are no mismatches of alignment on the user system
port connector. Incorrect connection will result in the host machine, the emulator, and the user system
emitting smoke or catching fire.
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E2/E2 Lite Designing the User System
User system
Connector:
20-pin (1.27-mm pin pitch) connector
Samtec type number: FTSH-110-01-L-DV-K
Pin 1
Pin 2
User system interface cable with the 20-pin
(1.27-mm pin pitch) connector
Notes on connector insertion and removal:
When connecting or disconnecting the user-system interface cable and the emulator or user system,
2.2.1 Connecting the User System Interface Cable to the 20-Pin Connector
Figure 2.1 shows how to connect the user system interface cable to the 20-pin connector.
Figure 2.1 Connecting the User System Interface Cable to the 20-Pin Connector
CAUTION
grasp the connector cover at the end of the cable. Pulling the cable itself will damage the wiring.
Also, be aware that the user-system interface cable has the direction in which it must be inserted. If
the cable is connected in the wrong direction, it may be damaged.
Correct example Incorrect example
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E2/E2 Lite Designing the User System
Pin 2
Pin 1
FTSH-110-01-L-DV-K
Pin 2
Pin 1
FTSH-105-01-L-DV-K
Pin 2
Pin 1
FTSH-105-01-L-DV
Unit: mm
5.56 5.56
3.43 3.43
12.70
6.35
6.35
5.56
3.43
2.3 Pin Assignments of the Connector on the User System
2.3.1 20-Pin and 10-Pin Connector Specifications
Figure 2.2 shows the specifications of the 20-pin and 10-pin (1.27-mm pitch) connectors.
Table 2.3 and Table 2.4 show the pin assignments for the SWD and JTAG interface connections,
respectively.
Figure 2.2 20-Pin and 10-Pin Connector Specifications
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E2/E2 Lite Designing the User System
Pin
1
VCC
–
Power supply
3
GND
–
MD
For setting the operating mode
6
TxD9
Output
For programming flash memory
8
RxD9
Input
For programming flash memory
10
RES#
I/O
User system reset
12*2
NC –
14*2
NC –
16*2
NC –
18*2
NC –
20*2
NC –
Table 2.3 Pin Assignments for SWD Interface Connection
No.
2 SWDIO I/O For debugging communications
4 SWCLK Input Clock for debugging communications
5 GND –
7 NC –
9 UCON – Connect this signal to ground on the user system.
11*2 NC –
13*2 NC –
15*2 GND –
Signal Direction*1 Note
It is used to confirm the connection between the
emulator and user system.
17*2 GND –
19*2 GND –
Notes: 1. Input to or output from the user system.
“Input” refers to input from the emulator to the user system and “output” refers to output
from the user system to the emulator.
2. If a 10-pin connector is mounted on the user system, pins 11 to 20 are not used.
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