Pinouts - UPD72191 family

UPD72191 co-processor (V20 mode) - DIP 40 package

Manufacturers: NEC

	GND		1		40		VDD
	A14		2		39		A15
	A13		3		38		A16/PS0
	A12		4		37		A17/PS1
	A11		5		36		A18/PS2
	A10		6		35		A19/PS3
	A9		7		34		(High)
	A8		8		33		RQ/AK1
	AD7		9		32		INT
	AD6		10		31		RQ/AK0
	AD5		11		30		Not connected
	AD4		12		29		Not connected
	AD3		13		28		BS2
	AD2		14		27		BS1
	AD1		15		26		BS0
	AD0		16		25		QS0
	Not connected		17		24		QS1
	Not connected		18		23		Busy
	CLK		19		22		Ready
	GND		20		21		Reset

UPD72191 co-processor (V30 mode) - DIP 40 package

Manufacturers: NEC

	GND		1		40		VDD
	AD14		2		39		AD15
	AD13		3		38		A16/PS0
	AD12		4		37		A17/PS1
	AD11		5		36		A18/PS2
	AD10		6		35		A19/PS3
	AD9		7		34		UBE
	AD8		8		33		RQ/AK1
	AD7		9		32		INT
	AD6		10		31		RQ/AK0
	AD5		11		30		Not connected
	AD4		12		29		Not connected
	AD3		13		28		BS2
	AD2		14		27		BS1
	AD1		15		26		BS0
	AD0		16		25		QS0
	Not connected		17		24		QS1
	Not connected		18		23		Busy
	CLK		19		22		Ready
	GND		20		21		Reset

UPD72191 co-processor (V40 mode) - DIP 40 package

Manufacturers: NEC

	MODE/BUFEN		1		40		VDD
	A14		2		39		A15
	A13		3		38		A16/PS0
	A12		4		37		A17/PS1
	A11		5		36		A18/PS2
	A10		6		35		A19/PS3
	A9		7		34		(High)
	A8		8		33		HLDAK
	AD7		9		32		INT
	AD6		10		31		HLDRQ
	AD5		11		30		BUFR/W
	AD4		12		29		ASTB
	AD3		13		28		BS2
	AD2		14		27		BS1
	AD1		15		26		BS0
	AD0		16		25		QS0
	MRD		17		24		QS1
	MWR		18		23		Busy
	CLK		19		22		Ready
	GND		20		21		Reset

UPD72191 co-processor (V50 mode) - DIP 40 package

Manufacturers: NEC

	MODE/BUFEN		1		40		VDD
	AD14		2		39		AD15
	AD13		3		38		A16/PS0
	AD12		4		37		A17/PS1
	AD11		5		36		A18/PS2
	AD10		6		35		A19/PS3
	AD9		7		34		UBE
	AD8		8		33		HLDAK
	AD7		9		32		INT
	AD6		10		31		HLDRQ
	AD5		11		30		BUFR/W
	AD4		12		29		ASTB
	AD3		13		28		BS2
	AD2		14		27		BS1
	AD1		15		26		BS0
	AD0		16		25		QS0
	MRD		17		24		QS1
	MWR		18		23		Busy
	CLK		19		22		Ready
	GND		20		21		Reset