Pinouts - 3870 family

3870, 38P70 microcontroller - DIP 40 package

Manufacturers: Mostek, SGS

	XTL1		1		40		VCC
	XTL2		2		39		Reset
	P0-0		3		38		EXT INT
	P0-1		4		37		P1-0
	P0-2		5		36		P1-1
	P0-3		6		35		P1-2
	STROBE		7		34		P1-3
	P4-0		8		33		P5-0
	P4-1		9		32		P5-1
	P4-2		10		31		P5-2
	P4-3		11		30		P5-3
	P4-4		12		29		P5-4
	P4-5		13		28		P5-5
	P4-6		14		27		P5-6
	P4-7		15		26		P5-7
	P0-7		16		25		P1-7
	P0-6		17		24		P1-6
	P0-5		18		23		P1-5
	P0-4		19		22		P1-4
	GND		20		21		Test

2870 microcontroller - DIP 28 package

Manufacturers: Mostek, SGS

	VCC		1		28		Reset
	XTL1		2		27		EXT INT
	XTL2		3		26		P1-1
	STROBE		4		25		P1-2
	P4-0		5		24		P1-3
	P4-1		6		23		P5-0
	P4-2		7		22		P5-1
	P4-3		8		21		P5-2
	P4-4		9		20		P5-3
	P4-5		10		19		P5-4
	P4-6		11		18		P5-5
	P4-7		12		17		P5-6
	P0-7		13		16		P5-7
	GND		14		15		Test

2872 microcontroller - DIP 28 package

Manufacturers: SGS

	VCC		1		28		Reset
	XTL1		2		27		EXT INT
	XTL2		3		26		P1-1
	STROBE		4		25		P1-2
	P4-0		5		24		P1-3
	P4-1		6		23		P5-0
	P4-2		7		22		P5-1
	P4-3		8		21		P5-2
	P4-4		9		20		P5-3
	P4-5		10		19		P5-4
	P4-6		11		18		P5-5
	P4-7		12		17		P5-6
	P0-7		13		16		P5-7
	GND		14		15		Test

2875 microcontroller - DIP 28 package

Manufacturers: SGS

	VCC		1		28		Reset
	XTL1		2		27		EXT INT
	XTL2		3		26		P1-1
	VBB		4		25		P1-2
	VSB		5		24		P5-0
	STROBE		6		23		P5-1
	P4-0		7		22		P5-2
	P4-1		8		21		P5-3
	P4-2		9		20		P5-4
	P4-3		10		19		P5-5
	P4-4		11		18		P5-6
	P4-5		12		17		P5-7
	P4-6		13		16		Test
	P4-7		14		15		GND

3872, 38P72 microcontroller - DIP 40 package

Manufacturers: SGS

	XTL1		1		40		VCC
	XTL2		2		39		Reset
	P0-0		3		38		EXT INT
	P0-1		4		37		P1-0
	P0-2		5		36		P1-1
	P0-3		6		35		P1-2
	STROBE		7		34		P1-3
	P4-0		8		33		P5-0
	P4-1		9		32		P5-1
	P4-2		10		31		P5-2
	P4-3		11		30		P5-3
	P4-4		12		29		P5-4
	P4-5		13		28		P5-5
	P4-6		14		27		P5-6
	P4-7		15		26		P5-7
	P0-7		16		25		P1-7
	P0-6		17		24		P1-6
	P0-5		18		23		P1-5
	P0-4		19		22		P1-4
	GND		20		21		Test

3873, 38P73 microcontroller - DIP 40 package

Manufacturers: Mostek

	XTL1		1		40		VCC
	XTL2		2		39		Reset
	P0-0		3		38		EXT INT
	P0-1		4		37		P1-3
	P0-2		5		36		SRCLK
	P0-3		6		35		SI
	STROBE		7		34		SO
	P4-0		8		33		P5-0
	P4-1		9		32		P5-1
	P4-2		10		31		P5-2
	P4-3		11		30		P5-3
	P4-4		12		29		P5-4
	P4-5		13		28		P5-5
	P4-6		14		27		P5-6
	P4-7		15		26		P5-7
	P0-7		16		25		P1-7
	P0-6		17		24		P1-6
	P0-5		18		23		P1-5
	P0-4		19		22		P1-4
	GND		20		21		Test

3875, 38P75 microcontroller - DIP 40 package

Manufacturers: Mostek, SGS

	XTL1		1		40		VCC
	XTL2		2		39		Reset
	VBB		3		38		EXT INT
	VSB		4		37		P1-0
	P0-2		5		36		P1-1
	P0-3		6		35		P1-2
	STROBE		7		34		P1-3
	P4-0		8		33		P5-0
	P4-1		9		32		P5-1
	P4-2		10		31		P5-2
	P4-3		11		30		P5-3
	P4-4		12		29		P5-4
	P4-5		13		28		P5-5
	P4-6		14		27		P5-6
	P4-7		15		26		P5-7
	P0-7		16		25		P1-7
	P0-6		17		24		P1-6
	P0-5		18		23		P1-5
	P0-4		19		22		P1-4
	GND		20		21		Test