Caution On Option Byte - Renesas QB-78K0KX1H-DA User Manual

6.2 Caution on Option Byte

Emulation of the option byte which is assigned to addresses 0x80 to 0x83 (refer to the user's manual of the device
used for the address and function) is performed as follows.
When QB-78K0MINI is connected:
The option byte setting reflected in emulation.
The following shows a software description example for setting the option byte.
Example: When setting address 0x80 to 0x00
SSS
50
CHAPTER 6 CAUTIONS
CSEG AT 080H; "SSS" is any name (up to 8 characters)
DB 0H
User's Manual U17029EJ3V0UM