Fujitsu MB91401 manual Prelminary, 2004.11.12, Pin name, Pin no, Function/application

MB91401							Prelminary
							2004.11.12
	(Continued)
	Pin name	Pin no.		Polarity	I/O	Circuit	Function/application
	D31		169
	D30		110
	D29		168
	D28		109
	D27		42
	D26		218
	D25		167
	D24		108
	D23		41
	D22		166
	D21		107
	D20		40
	D19		106
	D18		39
	D17		38
	D16		105		I/O	B	Data input/output pins
	D15		36				32 bits data input/output signal pin.
	D14		165
	D13		104
	D12		35
	D11		164
	D10		103
	D9		34
	D8		216
	D7		163
	D6		102
	D5		33
	D4		162
	D3		101
	D2		32
	D1		100
	D0		31
	CSX6		159	Nega-			Chip select output pins
	CSX1		98		OUT	B	3-bit chip select signal pin.
				tive
	CSX0		29				Output the “L” level when accessing to external memory.
				Nega-			Read strobe output pin
	RDX		27		OUT	B	Read strobing signal pin.
				tive
							Output the “L” level when read accessing.
	WRX3		96				Write strobing output pins
	WRX2		28	Nega-
					OUT	B	Write strobing signal pin.
	WRX1		97	tive
							Output the “L” level when write accessing.
	WRX0		158
	MCLKO		25		OUT	F	Memory clock output pin
							Clock for peripheral resources pin.
				Posi-			External RDY input pin
	RDY		157		IN	D	When the external bus is not completed, the bus cycle can
				tive
							be extended by inputting “0”.

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