CHAPTER 25 OPTION BYTE
Preliminary User’s Manual U17260EJ3V1UD
557
Here is an example of description of the software for setting the option bytes.
OPT CSEG
AT
0080H
OPTION: DB
30H
; Enables watchdog timer operation (illegal access detection operation),
; Window open period of watchdog timer: 50%,
; Overflow time of watchdog timer: 2
10
/f
RL
,
; Internal low-speed oscillator can be stopped by software.
DB
00H
; 1.59 V POC
mode
DB
00H
; Reserved area
DB
00H
; Reserved area
DB
00H
; On-chip debug operation disabled
Remark
Referencing of the option byte is performed during reset processing. For the reset processing timing,
see
CHAPTER 22 RESET FUNCTION
.
Содержание 78K/0 Series
Страница 2: ...Preliminary User s Manual U17260EJ3V1UD 2 MEMO ...
Страница 10: ......
Страница 53: ...CHAPTER 3 CPU ARCHITECTURE Preliminary User s Manual U17260EJ3V1UD 53 Figure 3 6 Memory Map µPD78F0536 ...
Страница 120: ......