Datasheet

TK-850/JG3H User’s Manual
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5.4 WriteEZ1
If you forgot the security ID or if you set On-Chip Debug Option Byte to disable the on-chip debug
function, you cannot start debugger. In this case, you need to delete the setting values of security
ID and On-Chip Debug Option Byte. Use WriteEZ1 to erase the flash memory.
WriteEZ1 cannot be installed from an integrated installer. Please execute
¥WriteEZ1¥WriteEZ1.exe
from attached CD.
The hardware for WriteEZ1 is incorporated in TK-850/JG3H.
Down loaded program by ID850QB which is down load with monitor file for debugging is not run
stand-alone.
The program written by WriteEZ1 which is not including the monitor file is able to run standalone.
① The switch of TK-850/JG3H is set as follows, and connects TK-850/JG3H to PC.
SW1
Bit1 OFF
Bit2 ON
Bit3 ON
Bit4 ON