upd78f0103hmca1-5a4-a Renesas Electronics Corporation., upd78f0103hmca1-5a4-a Datasheet - Page 88

• Manufacturer Part Number: upd78f0103hmca1-5a4-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

88
Address: FFA3H
Symbol
OSTC
Figure 5-6. Format of Oscillation Stabilization Time Counter Status Register (OSTC)
Cautions 1. After the above time has elapsed, the bits are set to 1 in order from MOST11 and
Remark f
MOST11
7
0
1
1
1
1
1
After reset: 00H
2. If the STOP mode is entered and then released while the internal oscillation
3. The wait time when STOP mode is released does not include the time after STOP
XP
: High-speed system clock oscillation frequency
MOST13
remain 1.
clock is being used as the CPU clock, set the oscillation stabilization time as
follows.
The oscillation stabilization time counter counts up to the oscillation
stabilization time set by OSTS. Note, therefore, that only the status up to the
oscillation stabilization time set by OSTS is set to OSTC after STOP mode is
released.
mode release until clock oscillation starts (“a” below) regardless of whether
STOP mode is released by RESET input or interrupt generation.
6
0
0
1
1
1
1
• Desired OSTC oscillation stabilization time ≤ Oscillation stabilization time
X1 pin voltage
waveform
set by OSTS
R
CHAPTER 5 CLOCK GENERATOR
MOST14
User’s Manual U16846EJ3V0UD
5
0
0
0
1
1
1
STOP mode release
MOST11
MOST15
4
0
0
0
1
1
a
MOST13
MOST16
3
0
0
0
0
1
2
2
2
2
2
11
13
14
15
16
MOST14
Oscillation stabilization time status
/f
/f
/f
/f
/f
XP
XP
XP
XP
XP
2
min. 204.8
min. 819.2
min. 1.64 ms min. 1.02 ms min.
min. 3.27 ms min. 2.04 ms min.
min. 6.55 ms min. 4.09 ms min.
f
XP
MOST15
= 10 MHz f
µ
µ
1
s min. 128
s min. 512
XP
MOST16
= 16 MHz
µ
µ
0
s min.
s min.