166
CHAPTER 9 WATCHDOG TIMER
Preliminary User’s Manual U13420EJ2V0UM00
(3) Oscillation Stabilization Time Select Register (OSTS)
A register to select oscillation stabilization time from reset time or STOP mode released time to the time when
oscillation is stabilized.
OSTS is set by an 8-bit memory operation instruction.
By RESET input, it is turned into 04H. Thus, when releasing the STOP mode by RESET input, the time required
to release is 2
17
/fx.
Figure 9-4. Format of Oscillation Stabilization Time Select Register (OSTS)
Address: FFFAH After reset: 04H R/W
Symbol
7
6
5
4
3
2
1
0
OSTS
0
0
0
0
0
OSTS2
OSTS1
OSTS0
OSTS2
OSTS1
OSTS0
Selection of oscillation stabilization time
0
0
0
2
12
/f
X
(488
µ
s)
0
0
1
2
14
/f
X
(1.95 ms)
0
1
0
2
15
/f
X
(3.91 ms)
0
1
1
2
16
/f
X
(7.81 ms)
1
0
0
2
17
/f
X
(15.6 ms)
Other than above
Setting prohibited
Remarks 1. f
X
: Main system clock oscillation frequency
2. Figures in parentheses are for operation with f
X
= 8.38 MHz
Содержание mPD780065 Series
Страница 2: ...Preliminary User s Manual U13420EJ2V0UM00 2 MEMO ...
Страница 10: ...10 Preliminary User s Manual U13420EJ2V0UM00 MEMO ...
Страница 22: ...22 Preliminary User s Manual U13420EJ2V0UM00 MEMO ...
Страница 134: ...134 Preliminary User s Manual U13420EJ2V0UM00 MEMO ...
Страница 154: ...154 Preliminary User s Manual U13420EJ2V0UM00 MEMO ...
Страница 160: ...160 Preliminary User s Manual U13420EJ2V0UM00 MEMO ...
Страница 186: ...186 Preliminary User s Manual U13420EJ2V0UM00 MEMO ...
Страница 326: ...326 Preliminary User s Manual U13420EJ2V0UM00 MEMO ...
Страница 342: ...342 Preliminary User s Manual U13420EJ2V0UM00 MEMO ...
Страница 350: ...350 Preliminary User s Manual U13420EJ2V0UM00 MEMO ...