Fig. 2.14.1 Oscillation Stabilizing Time At Return By Reset Input; Fig. 2.14.2 Execution Sequence Example At Return By Occurrence Of Int0 Interrupt Request - Renesas 7200 Series User Manual

FUNCTIONAL DESCRIPTION
2.14 Low-power dissipation mode
V
CC
RESET
X
IN
(Note)
Execute STP instruction Returned by reset input

Fig. 2.14.1 Oscillation stabilizing time at return by reset input

lWhen returning from stop mode by using INT1 interrupt (rising edge selected)
(System clock)
INT1 pin
Timer 3
counter
Timer 4
counter
INT1 interrupt
request bit
Peripheral device

Fig. 2.14.2 Execution sequence example at return by occurrence of INT0 interrupt request

2-92
Stop mode
2 µ s or more
Stop mode
X
IN
X ; HIGH
IN
X ; in high-impedance state
CIN
"FF "
16
"07 "
16
Oper-
ating
Stopping
Oper-
ating
CPU
•Execute STP
instruction
7220 Group User's Manual
Oscillation stabilizing time
Oscillation stabilizing time
(approximately 32768 cycles)
2048 counts
Stopping
•INT1 interrupt •2048 counts down by timer 3
•Supplying internal clock φ
signal is input
(INT1 interrupt to CPU is started
request occurs) •INT1 interrupt request is accepted
•Oscillation starts
•Timer 3 count starts
Time to hold internal reset state =
approximately 32768 cycles of X
input
Operating
Operating
IN