UPD78F0411GA-GAM-AX Datasheet, PDF (509/564 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 23 OPTION BYTE
Here is an example of description of the software for setting the option bytes.
OPT
CSEG AT 0080H
OPTION: DB 30H
DB 00H
DB 00H
DB 00H
DB 00H
; Enables watchdog timer operation (illegal access detection operation),
; Window open period of watchdog timer: 50%,
; Overflow time of watchdog timer: 2¹⁰/fRL,
; Internal low-speed oscillator can be stopped by software.
; 1.59 V POC mode
; Reserved area
; Reserved area
; On-chip debug operation disabled
Remark Referencing of the option byte is performed during reset processing. For the reset processing timing,
see CHAPTER 20 RESET FUNCTION.
User’s Manual U18698EJ1V0UD
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