Intel 210200-002 manual Address Line Usage Recommended Device Addressing

APPLICATION EXAMPLES

				ADDRESS LINE USAGE						RECOMMENDED
										DEVICE ADDRESSING
DEVICE	PART	A14-A19	A13 A12 A11 A10 A9 A8						A7-AO	MEMORY 16	I/O 16
8755A-2	E3	X	X	X	1	D	D	D	D	F800-FFFF	F800-F803
8755A-2	E2	X	1	X	0	D	D	D	D	FOOO-F7FF	FOOO-F003
8185-2	E6	X	0	X	X	1	D	D	D	1400-17FF	-
	E5'(J2short)	X	0	1	X	0	D	D	D	1000-13FF	-
8185-2											-
	E5'(J2open)	X	0	X	X	0	D	D	D	0000-03FF
8155-2	E1	X	X	0	X	X	X	X	D	OOOO-OOFF	0000-0005

LEGEND: X=NOT USED; O=CHIP SELECT ON 0; 1=CHIP SELECT ON 1 : D=FULL Y DECODED ADDRESS 'J2short

'J2open

	MEMORY				I/O
FFFF				FFFF
I	8755A-2				NOT USED
				F804
	(E3) EPROM
				•		F803
F800			F7FF		8755A-2	t
					(E3)
	8755A-2		t
	(E2) EPROM			F7FF		F800
					NOT USED
			FOOD	F004
EFFF	NOTUSED			•		F003
1800			17FF		8755A-2
•					(E2)	t
			t
	8185-2
	(E6) RAM			EFFF		FOOD
					NOT USED
13FF			1400	0006
						0005
	8185-2 RAM			•
t						i
	(E5)&J2 SHORTED				8155-2
1000			OFFF		(E1)
	NOTUSED		0400•			0000
03FF			03FF
t	NOT
	USED	8155-2
0100		(E5)& J2
DOFF
		OPEN
	8155-2
		RAM
r	(E1)
	RAM
0000			0000

Figure 4-1. iAPX 88 Demo Board Address Map

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