QB-MINI2-EE NEC, QB-MINI2-EE Datasheet - Page 82
QB-MINI2-EE
Manufacturer Part Number
QB-MINI2-EE
Description
EMULATOR, PROGRAMMER, MINICUBE2
Manufacturer
NEC
Type
Debug Emulatorr
Datasheet
1.QB-MINI2-EE.pdf
(169 pages)
Specifications of QB-MINI2-EE
Svhc
No SVHC (18-Jun-2010)
Mcu Supported Families
MINICUBE2
Silicon Family Name
V850, 78K0R, 78K0S
Ic Product Type
On-Chip Debug Emulator
Kit Contents
MINICUBE2, USB Cable, Target Cable, 78K0-OCD Board
Features
On-Chip Debugging, Flash Memory Programming,
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(b) Option byte area (essential)
(c) Security ID area (essential)
This is the area for the security setting to prevent the flash memory from being read by an unauthorized person.
The target device operates in accordance with the set value, as shown below.
[How to set]
Describe the code for setting the option byte in the user program. Refer to the following and add a code to
the assembler source.
Example When setting 0x02
Caution If address 0x84 is overwritten by 0x00 by self programming, communication is disabled, and
This is the area for the security setting to prevent the flash memory from being read by an unauthorized person.
The security ID functions as a password for starting the debugger. The debugger starts only when the
security ID that is input during debugger startup and the security ID embedded in this area match.
[How to set]
When using NEC Electronics assembler RA78K0, an ID code is generated in this area, using the linker option
(-gi). Figure 4-31 shows the Linker Options dialog box of the project manager. Select the ″ Security ID ″
check box as shown in the figure below and set an arbitrary ID code (10 bytes).
0x00
0x02
0x03
Other than above
SSS
Set Value
debugging and connection can no longer be performed even if the debugger is restarted. In
such as case, erase the memory via flash programming.
CSEG
DB
CHAPTER 4
AT
2H
Debugging is unavailable even if an on-chip debug emulator
(such as MINICUBE2) is connected.
The on-chip flash memory is not erased no matter how many
times the security ID code authentication fails.
All on-chip flash memory areas are erased if the security ID
code authentication fails.
Setting prohibited
Table 4-8. Option Byte Setting and Operation
HOW TO USE MINICUBE2 WITH 78K0 MICROCONTROLLER
084H;
User’s Manual U18371EJ1V0UM
″ SSS ″ is an arbitrary symbol name (eight characters or less)
Description
This setting is available
only for flash programming.
Remark
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