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

PRODUCT OVERVIEW S3C9228/P9228

PIN DESCRIPTIONS

Table 1-1. Pin Descriptions

Pin Names	Pin	Pin Description	Circuit	Pin	Share
	Type		Number	Numbers	Pins
P0.0	I/O	1-bit programmable I/O port. Schmitt	E-4	39(3)	TAOUT/INT
P0.1		trigger input or push-pull, open-drain		40(4)	T1CLK/INT
P0.2		output and software assignable pull-ups.		41(5)	INT
P0.3				42(6)	BUZ/INT
P0.4-P0.5	O	1-bit programmable output port.	C	43-44
P1.0	I/O	1-bit programmable I/O port. Schmitt	F-16A	1(7)	AD0/INT
P1.1		trigger input or push-pull, open-drain		2(8)	AD1/INT
P1.2		output and software assignable pull-ups.		3(9)	AD2/INT
P1.3				4(10)	AD3/INT
P2.0	I/O	1-bit programmable I/O port. Schmitt	H-32A	16(22)	SCK/SEG1
P2.1		trigger input or push-pull, open-drain		15(21)	SO/SEG0
P2.2	I/O	output and software assignable pull-ups.	E-4	14(20)	SI
P2.3				13(19)	–
P3.0	I/O	1-bit programmable I/O port. Schmitt	H-32B	18(24)	INTP/SEG3
P3.1		trigger input or push-pull, open-drain		17(23)	INTP/SEG2
		output and software assignable pull-ups.
P4.0–P4.7	I/O	1-bit programmable I/O port. Input or	H-32	19-26(25-32)	SEG4-SEG11
		push-pull, open-drain output and
		software assignable pull-ups.
P5.0–P5.3	I/O	1-bit programmable I/O port. Input or	H-32	27-30(33-36)	SEG12-SEG15
		push-pull, open-drain output and
P5.4–P5.7		software assignable pull-ups.		31-34(37-40)	SEG16-SEG19
					/COM7-COM4
P6.0-P6.3	I/O	1-bit programmable I/O port. Input or	H-32	35-38	COM3-COM0
		push-pull, open-drain output and		(41-42,1-2)
		software assignable pull-ups.

NOTE: Parentheses indicate pin number for 42-SDIP-600 package.

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