Renesas e1 User Manual

E1/E20/E2 Emulator, E2 Emulator Lite
Additional Document for User’s Manual
(Notes on Connection of RL78)
Rev.3.01 Jul 2020
All information contained in these materials, including products and product specifications,
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
Corporation website (http://www.renesas.com).
Supported Devices:
RL78 Family
RL78/G10, RL78/G1M, RL78/G1N

Renesas e1 Specifications

General

Host Interface	USB
On-Chip Debugging	Yes
Manufacturer	Renesas Electronics
Product Category	Debug Emulators
Target MCU Family	Renesas MCUs
Programming	Supported
Power Supply	USB
Category	Emulators
Supported Devices	Renesas MCUs

Summary

General Precautions in the Handling of Microprocessing Unit and Microcontroller Unit Products

1. Overview

1.1 Overview of E1/E20/E2 Emulator and E2 Lite

Introduces the E1, E20, E2, and E2 Lite emulators and their primary functions as debugging tools.

1.4 Supported RL78 Devices

Details the specific RL78 family MCUs supported by the emulators, including RL78/G1x series.

1.5 External Trigger I/O Specifications

2. Designing the User System

2.1 Connecting Emulators to User System

Guides on establishing the physical connection between the emulators and the user system.

2.2 User System Connector Installation

2.3 14-Pin Connector Specifications

Details the specifications and pinout of the standard 14-pin connector used for system connection.

2.4 Recommended Connection Circuits

Shows recommended circuit designs for connecting the 14-pin connector to RL78 family MCUs.

2.5 Notes on Connection

Offers important guidelines and considerations for making reliable connections between the emulator and the MCU.

2.5.1 RESET# Pin Handling

2.5.3 GND and 2.5.4 VDD Connections

2.7 User System Design Notes

3. Notes on Usage

3.1 Turning Power On/Off

Provides step-by-step procedures for safely powering the emulators and the user system on and off.

3.1.2 Emulator-Supplied Power to User System

Details the process and considerations when the emulator supplies power to the user system.

3.2 Emulator Power Supply Function

Explains the voltage supply capabilities of the E1/E2/E2 Lite emulators and associated voltage drops.

3.3 MCU Resource Occupation for Debugging

3.3.4 Security ID Setting

3.8 Final User Program Evaluation

3.9 Debug Functions

Covers various debugging functions like step execution, breakpoints, and standby mode debugging.

3.9.6 Extended Functions of the E2