Samsung S3F80JB manual Summary Table of BACK-UP MODE, Stop MODE, and Reset Status, Stopcon ← # A5H

RESET S3F80JB

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	• External nRESET pin is low		• External nRESET pin is on		• STOPCON ← # A5H
Condition	level state or VDD is lower		rising edge.		STOP
	than VLVD		• The rising edge at VDD is		( LD STOPCON,#0A5H )
			detected by LVD circuit.		( STOP)
			(When VDD ≥ VLVD)
			• Watch-dog timer overflow
			signal is activated.
Port status	• All I/O port is floating status		• All I/O port is floating status		• All port is keep the previous
	except for P3.2 and P3.3		except P3.2 and P3.3.		status.
	• All port becomes input		• Disable all pull-up resister		• Output port data is not
	mode		except P3.2 and P3.3.		changed.
	but is blocked.
	• Disable all pull-up resister
	except for P3.2 and P3.3
Control	• All control register and		• All control register and
Register	system register are		system	register are initialized	–
	initialized as list of Table 8-3.		as list of	Table 8-3.
Releasing	• External nRESET pin is		• After passing an oscillation		• External interrupt, or reset
Condition	high		warm-up time		• SED & R Circuit.
	(rising edge).
	• The rising edge of LVD
	circuit is generated.
Others	• There is no current		• There can be input leakage		• It depends on control
	consumption in chip.		current in chip.		program

8-20