µ
PD75P308
25
Released by RESET
Released by interrupt
LOW-VOLTAGE DATA RETENTION CHARACTERISTICS OF DATA MEMORY IN STOP MODE
(T
a
= -10 to +70
°
C)
0
µ
s
2
17
/f
X
ms
*
3
ms
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
t
SREL
Data Retention Supply
Voltage
Data Retention Supply
Current*
1
Release Signal Set Time
Oscillation Stabilization
Wait Time*
2
2.0
6.0
V
*1: Does not include current folowing through internal pull-up resistor
2: The oscillation stabilization wait time is the time during which the CPU is stopped to prevent unstable
operation when oscillation is started.
3: Depends on the setting of the basic interval timer mode register (BTM) as follows:
BTM3
BTM2
BTM1
BTM0
WAIT time ( ): f
X
= 4.19 MHz
—
0
0
—
2
20
/f
X
(approx. 250 ms)
—
0
1
—
2
17
/f
X
(approx. 31.3 ms)
—
1
0
—
2
15
/f
X
(approx. 7.82 ms)
—
1
1
—
2
13
/f
X
(approx. 1.95 ms)
DATA RETENTION TIMING (releasing STOP mode by RESET)
DATA RETENTION TIMING (standby release signal: releasing STOP mode by interrupt)
STOP mode
Data retention mode
STOP instruction execution
V
DD
V
DDDR
t
SREL
t
WAIT
Operation
mode
HALT mode
Standby release signal
(interrupt request)
I
DDDR
V
DDDR
= 2.0V
0.1
10
µ
A
STOP mode
Data retention mode
STOP instruction
execution
V
DD
RESET
V
DDDR
t
SREL
t
WAIT
Operation
mode
Internal reset operation
HALT mode
V
DDDR
t
WAIT
Содержание mPD75P308
Страница 32: ...µPD75P308 32 APPENDIX B RELATED DOCUMENTS ...