Samsung 8-Bit CMOS Microcontroller, S3C9228/P9228 user manual Clock Timing Measurement at XIN

S3C9228/P9228 ELECTRICAL DATA

Table 16-9. Main Oscillation Stabilization Time

(TA = – 25 °C to + 85 °C, VDD = 2.0 V to 5.5 V)

Oscillator	Test Condition	Min	Typ	Max	Unit
Crystal	fx > 1 MHz	–	–	30	ms
Ceramic	Oscillation stabilization occurs when VDD is	–	–	10	ms
	equal to the minimum oscillator voltage
	ranage.
External clock	XIN input high and low width (tXH, tXL)	62.5	–	1250	ns

	1/fx
tXL	tX
XIN	VDD-0.1 V
	0.1 V

Figure 16-6. Clock Timing Measurement at XIN

16-11