UPD78F9418AGK-9EU Renesas Electronics America, UPD78F9418AGK-9EU Datasheet - Page 247

• Manufacturer Part Number: UPD78F9418AGK-9EU
• Manufacturer: Renesas Electronics America

Specifications of UPD78F9418AGK-9EU

• Lead Free Status / Rohs Status: Supplier Unconfirmed

16.1.2 Standby function control register
oscillation stabilization time selection register (OSTS).
input.
Symbol
The wait time after the STOP mode is released upon interrupt request until oscillation stabilizes is controlled by the
OSTS is set using an 8-bit memory manipulation instruction.
RESET input sets OSTS to 04H. However, it takes 2
OSTS
Caution The wait time after the STOP mode is released does not include the time from STOP mode
Remarks 1. f
OSTS2
Other than above
7
0
1
0
0
release to clock oscillation start (“a” in the figure below), regardless of release by RESET input
or by interrupt generation.
2. The parenthesized values apply to operation at f
OSTS1
X
: Main system clock oscillation frequency
6
0
0
0
1
Figure 16-1. Format of Oscillation Stabilization Time Selection Register
OSTS0
5
0
0
0
0
2
2
2
Setting prohibited
12
15
17
4
0
/f
/f
/f
X
X
X
(819 s)
(6.55 ms)
(26.2 ms)
V
SS0
3
0
, V
X1 pin voltage
waveform
CHAPTER 16 STANDBY FUNCTION
SS1
OSTS2 OSTS1 OSTS0
2
User’s Manual U13952EJ3V1UD
STOP mode release
1
Oscillation stabilization time selection
15
0
/f
X
a
, not 2
X
Address
= 5.0 MHz.
FFFAH
17
/f
X
, until the STOP mode is released by RESET
After reset
04H
R/W
R/W
245