Intel 210200-002 manual Inter

inter

iAPX 88/10

WAVEFORMS (Continued)			rVCH
BUS TIMING-MAXIMUM				T,		T,	T,	•
MODE SYSTEM	ClK	VCl TCHSV		~r---'I,\.		J r--\l	;.~ _	.r--\
(USING 8288)				r --	-	~ -		r	L -

52, s" so (EXCEPT HALT)

WRITE CYCLE

AD7-ADO

----~~--	~--	~	--~---	+----	~~+----		+~-----­
					J/////I (_		....0)
~--	r---		r----	r--~--	~~		TCHDX- r-
TCLAV-	I.-	-	TCLDVI_	~	L	TCLSH
______~~,	rl__~___-~~TC=L~AX~~lr__+-____~____~I--					'__-+	~~ ,-_______
			'V		DATA

--- t+ - J '--t----t---JJI\,'---t-----,-----+---+...J ' ---

lCVNV-	J -	TCVNX-
DEN
-	-TCLMl	TCLMH- r
-----+r---+---+.I		r -- t -----

8288 0UIPlITS

SEE NOTES 5,8 AMWC OR Alowe

MWTCORIOWC

INTA CYCLE

A1s-Aa

(SEE NOlES 3,4)

MCEI

I'lIDI

OlfR

8288 0U11'UTS

SEE NOTES 5,6 INTA

DEN

-------rr----	~----	_+------	_r--------		~,'		--_TCLMH
					TCLML
FLOAT	RESERVED FOR
	CASCADE ADDR /			FLOAT				FLOAT
___--H,<./".IITCiAZ			\		!--	TDVCL-		!-TCLDX
	'I 1.		I-II:-_+---------		{II	POINTER
		FLOATI~)						FLOAT
TSVMCH- ~ TCLMCl-1 {/				/				---	r--
-T-C-LM-C-H--~l		{LT' - L - +/ ---			------f			+ - + -- +	TCHDTH--
								\	/
	_							\-	'· --
			0
	lCLML-							\
							--ttMH
			~-r----------				~~I
			-	TCVNV

TCVNX-

~	/r----------	.-,-------
'	------- '	\..- -----

NOTES: 1. ALL SIGNALS SWITCH BETWEEN YOH AND VOL UNLESS OTHERWISE

SPECIFIED.

2.RoY IS SAMPLED NEAR THE END OF T2. T3. Tw TO DETERMINE IF Tw

MACHINES STATES ARE TO BE INSERTED.

3.CASCADE ADDRESS IS VALID BETWEEN FIRST AND SECOND INTA CYCLES.

4.TWO INTA CYCLES RUN BACK·TO·BACK.THE 8088 LOCAL ADDRIDATA BUS IS FLOATING DURING BOTH INTA CYCLES. CONTROL FOR POINTER ADDRESS IS SHOWN FOR SECOND INTA CYCLe.

5.SIGNALS AT 8284 OR 8288 ARE SHOWN FOR REFERENCE ONLY.

6.THE ISSUANCE OF THE 8288 COMMAND AND CONTROL SIGNALS

(MlII!C,I\lWTC, ~,IlIRC, RlWl:,1iRlWC,1IIn AND DEN) LAGS lHE

ACTIVE HIGH 8288 CEN.

7.All TIMING MEASUREMENTS ARE MADE AT 1.5V UNLESS OTHERWISE NOTED.

8.STATUS INACTIVE IN STATE JUST PRIOR TO T,.

60 AFN'()0826D