Samsung S3C9228/P9228, 8-Bit CMOS Microcontroller user manual Input Timing for External Interrupts

ELECTRICAL DATA S3C9228/P9228

			Table 16-6. A/D Converter Electrical Characteristics
(T	A	= – 25°C to + 85°C, V	DD	= 2.7 V to 5.5 V, V = 0 V)
					SS
		Parameter	Symbol		Conditions	Min	Typ	Max	Unit
Resolution						–	10	–	bit
Total accuracy					VDD = 5.12 V	–	–	±3	LSB
Integral linearity error				ILE	fxx = 8 MHz	–	–	±2
					fCON = fxx/4
Differential linearity error				DLE		–	–	±1
Offset error of top				EOT		–	±1	±3
Offset error of bottom				EOB		–	±0.5	±2
Conversion time (1)			TCON		10-bit resolution	25	–	–	μS
					50 × fxx/4, fxx = 8MHz
Analog input voltage				VIAN	–	VSS	–	VDD	V
Analog input impedance				RAN	–	2	1000	–	MΩ
Analog input current			IADIN		VDD = 5 V	–	–	10	μA
				IADC	VDD = 5 V	–	1	3	mA
					VDD = 3 V		0.5	1.5
					VDD = 5 V		100	500	nA
					When power down mode

NOTES:

1.'Conversion time' is the time required from the moment a conversion operation starts until it ends.

2.IADC is an operating current during A/D conversion.

External Interrupt

tINTL

tINTH

0.8VDD

0.2VDD

NOTE: The unit tCPU means one CPU clock period.

Figure 16-3. Input Timing for External Interrupts

16-8