upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 220

• Manufacturer Part Number: upd70f3017ay
• Description: V850/sa1tm 32-/16-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

9.5 Standby Function Control Register
(1) Oscillation stabilization time select register (OSTS)
220
Caution The wait time at the release of the software STOP mode does not include the time (“a” in the
The wait time from releasing the software STOP mode until the oscillation stabilizes is controlled by the oscillation
stabilization time select register (OSTS).
OSTS is set by an 8-bit memory manipulation instruction.
RESET input sets OSTS to 04H.
OSTS
After reset: 04H
figure below) until clock oscillation starts after releasing the software STOP mode when RESET
is input or an interrupt is generated.
OSTS2
Other than above
0
0
0
0
1
7
0
OSTS1
R/W
0
0
1
1
0
6
0
OSTS0
0
1
0
1
0
CHAPTER 9
V
SS
waveform
at X1 pin
User’s Manual U12768EJ4V1UD
Voltage
5
0
2
2
2
2
2
Setting prohibited
Address: FFFFF380H
14
16
17
18
19
Software STOP mode release
/f
/f
/f
/f
/f
XX
XX
XX
XX
XX
(after reset)
Clock
WATCHDOG TIMER
4
0
a
Oscillation Stabilization Time Selection
819.2
3.3 ms
6.6 ms
13.1 ms
26.2 ms
20 MHz
3
0
µ
s
964
3.855 ms
7.710 ms
15.42 ms
30.84 ms
OSTS2
17 MHz
2
µ
s
f
XX
OSTS1
1.6 ms
6.6 ms
13.1 ms
26.2 ms
52.4 ms
10 MHz
1
8.2 ms
32.8 ms
65.5 ms
131.1 ms
262.1 ms
OSTS0
2 MHz
0