Renesas RL78/F24

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E1/E20/E2 Emulator, E2 Emulator Lite

Additional Document for User’s Manual

(Notes on Connection of RL78)

R20UT1994EJ0900

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Table of Contents4
Overview7
Overview of E1/E20/E2 Emulator and E2 Emulator Lite7
Note on Using E207
Configuration of E1/E20/E2/E2 Lite Manuals8
Supported Devices9
Overview of the Specifications of the External Trigger Input and Output11
Assignments of the External Trigger Input and Output Pins11
Specifications of the External Trigger Inputs and Outputs12
Designing the User System13
Connecting the E1/E20/E2/E2 Lite to the User System13
Installing the Connector on the User System13
Connecting the User System Interface Cable to the 14-Pin Connector13
Pin Assignments of the Connector on the User System17
14-Pin Connector Specifications17
Recommended Circuits between the Connector and the MCU19
Connection between the 14-Pin Connector and the RL78 Family Mcus in General19
Connection between the 14-Pin Connector and the RL78 Family Mcus (Only the RL78/G11 and the 20- and 24-Pin Versions of the RL78/G12)21
Connection between the 14-Pin Connector and the RL78 Family MCU (Only the RL78/I1C)22
Notes on Connection25
RESET# Pin25
TOOL0 Pin28
Gnd29
VDD29
Internal Circuits of the Emulator31
Internal Circuits of the E1 (When the RL78 Family Is Connected)31
Internal Circuits of the E20 (When the RL78 Family Is Connected)32
Internal Circuits of the E2 (When the RL78 Family Is Connected)33
Internal Circuits of the E2 Lite (When the RL78 Family Is Connected)35
Notes on Designing the User System36
Isolator for the E136
Small Connector Conversion Adapter for the E136
Notes on Usage38
Turning the Power On/Off38
When a Separate Power Supply Is Used for the User System38
When Power Is Supplied to the User System from the Emulator (E1/E2/E2 Lite Only)39
Power Supply Function of the E1/E2/E2 Lite39
MCU Resources to be Occupied40
Securing an Area for the Debugging Monitor Program41
Securing a Stack Area for Debugging42
Setting an On-Chip Debugging Option Byte43
Setting a Security ID44
Setting a Serial Programming Security ID45
Reset46
Operation after a Reset46
SP Value after a Reset46
Flash Memory46
Flash Memory Programming by Self-Programming46
Operation for Voltages and Flash Operation Modes Not Permitting Flash Memory Rewriting47
Gdidis47
RESET# Multiplexed Pin47
Mcus that Are Used in Debugging48
Usage in Mass-Production48
Standalone Operation48
Final Evaluation of the User Program48
Debug Functions49
Stepped Execution49
Go to Here]49
Debugging in Standby Mode49
Pseudo-Real-Time RAM Monitor Function or Pseudo-Dynamic Memory Modification Function50
Start/Stop Functions50
Emulation of Flash Memory CRC Accumulator Function51
Break Function51
Setting and Deleting Events During User Program Execution51
Trace Function51
Battery Backup Function51
RAM-ECC Function51
Extended Functions of the E252
Points for Caution on Using the RL78/G2352
Points for Caution on Using the RL78/F2454

Renesas RL78/F24

Table of Contents

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