upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 450

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

450
Here is an example of description of the software for setting the option bytes.
OPT
OPTION: DB
Remark Referencing of the option byte is performed during reset processing. For the reset processing timing,
see CHAPTER 15 RESET FUNCTION.
CSEG
DB
DB
DB
DB
AT 0080H
70H
01H
00H
00H
00H
; Enables watchdog timer operation (illegal access detection operation),
; Window open period of watchdog timer: 100%,
; Overflow time of watchdog timer: 2
; Internal low-speed oscillator can be stopped by software.
; 2.7/1.59 V POC mode
; Reserved area
; Reserved area
; On-chip debug operation disabled
Preliminary User’s Manual U19014EJ1V0UD
CHAPTER 18 OPTION BYTE
10
/f
RL
,