Samsung 8-Bit CMOS Microcontroller, S3C9228/P9228 user manual XOUT, XTIN, Xtout

S3C9228/P9228ELECTRICAL DATA

Table 16-2. D.C. Electrical Characteristics (Continued)

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

	Parameter	Symbol	Conditions	Min	Typ	Max	Unit
	Input Low	ILIL1	VI = 0 V;	–	–	–3	μA
	leakage current		All input pins except RESET,
			XOUT, XTIN, XTOUT
		ILIL2	VI = 0 V;			–20
			XIN, XOUT, XTIN, XTOUT
	Output High	ILOH	VO = VDD	–	–	3
	leakage current		All output pins
	Output Low	ILOL	VO = 0 V	–	–	–3
	leakage current		All output pins
	Pull-Up Resistor	RL1	VI = 0 V; VDD = 5V, TA = 25°C	25	47	100	kΩ
			Ports 0–6
			VDD = 3V, TA = 25°C	50	90	150
		RL2	VI = 0 V; VDD = 5V, TA = 25°C	150	250	400
			RESET
			VDD = 3V, TA = 25°C	300	500	700
	Oscillator Feed	ROSC1	VDD = 5 V, TA = 25 °C	300	600	1500	kΩ
	back Resistors		XIN = VDD, XOUT = 0V
		ROSC2	VDD = 5 V, TA = 25 °C	1500	3000	4500
			XTIN = VDD, XTOUT = 0 V
	LCD Voltage	RLCD	TA = 25 °C	50	70	90	kΩ
	Dividing Resistor
	⏐VLCD-COMi⏐	VDC	VDD = 2.7 V to 5.5 V	–	–	120	mV
	Voltage Drop		μ
	(i = 0-7)		- 15 A per common pin
	⏐VLCD-SEGx⏐	VDS	VDD = 2.7 V to 5.5 V	–	–	120
	Voltage Drop		μ
	(x = 0–19)		- 15 A per common pin
	Middle Output	VLC2	VDD = 2.7 V to 5.5 V,	0.8VDD–0.2	0.8VDD	0.8VDD+	V
	Voltage		LCD clock = 0Hz, VLC1 = VDD			0.2
		VLC3		0.6VDD–0.2	0.6VDD	0.6VDD+
						0.2
		VLC4		0.4VDD–0.2	0.4VDD	0.4VDD+
						0.2
		VLC5		0.2VDD–0.2	0.2VDD	0.2VDD+
						0.2
NOTE: Low leakage current is absolute value.

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