Samsung S3F80JB - Manual (Page 238)

RESET S3F80JB
8-20
SUMMARY TABLE OF BACK-UP MODE, STOP MODE, AND RESET STATUS
For more understanding, please see the below description Table 8-7.
Table 8-7. Summary of Each Mode
Item/Mode Back-up Reset Status Stop
Approach
Condition • External nRESET pin is low
level state or V DD is lower
than V
LVD
• External nRESET pin is on
rising edge.
• The rising edge at VDD is
detected by LVD circuit.
(When VDD
≥ V
LVD
)
• Watch-dog timer overflow
signal is activated.
• STOPCON
← # A5H
STOP
( LD STOPCON,#0A5H )
( STOP)
Port status • All I/O port is floating status
except for P3.2 and P3.3
• All port becomes input
mode
but is blocked.
• Disable all pull-up resister
except for P3.2 and P3.3
• All I/O port is floating status
except P3.2 and P3.3.
• Disable all pull-up resister
except P3.2 and P3.3.
• All port is keep the previous
status.
• Output port data is not
changed.
Control
Register • All control register and
system register are
initialized as list of Table 8-3.
• All control register and
system register are initialized
as list of Table 8-3.
–
Releasing
Condition • External nRESET pin is
high
(rising edge).
• The rising edge of LVD
circuit is generated.
• After passing an oscillation
warm-up time
• External interrupt, or reset
• SED & R Circuit.
Others • There is no current
consumption in chip.
• There can be input leakage
current in chip.
• It depends on control
program