Intel 210200-002 manual Inter

inter

iAPX 88/10

			Table 1. Pin Description (Continued)
Symbol	Pin No.	Type	Name and Function
lOCK	29	a	lOCK: indicates that other system bus masters are not to gain control of the
			system bus while lOCK is active (lOW). The lOCK signal is activated by the
			"lOCK" prefix instruction and remains active until the completion of the next
			instruction. This signal is active lOW, and floats to 3·stateoff in "hold acknowl-
			edge".

OS1,OSO 24, 25 a

Queue Status: provide status to allow external tracking of the internal 8088 instruction queue.

The queue status is valid during the ClK cycle after which the queue operation is performed.

aS1 I aso I CHARACTERISTICS

i

OllOW! "I0 ! Joperati~n

o~(HIGH) ~ S~b;~q'u;~t~b;t; , qoo",

- 34 a

Pin 34 is always high in the maximum mode.

41 AFN-00826D