Samsung 8-Bit CMOS Microcontroller, S3C9228/P9228 user manual ~ ~ ~ ~

S3C9228/P9228 ELECTRICAL DATA

Table 16-3. Data Retention Supply Voltage in Stop Mode

(TA = – 25 °C to + 85 °C)

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Data retention supply	VDDDR	–	2.0	–	5.5	V
voltage
Data retention supply	IDDDR	Stop mode, TA = 25 °C	–	–	1	µA
current		VDDDR = 2.0 V

VDD

~ ~ ~ ~

Execution of

STOP Instruction

Idle Mode

(Basic Timer Active)

Stop Mode
Data Retention Mode	Normal
	Operating Mode
VDDDR
	0.8 VDD
	tWAIT

NOTE: tWAIT is the same as 16 x 1/BT clock.

Figure 16-1. Stop Mode Release Timing When Initiated by an External Interrupt

16-5