WP413808 S L9XW Intel, WP413808 S L9XW Datasheet - Page 17

• Manufacturer Part Number: WP413808 S L9XW
• Manufacturer: Intel

Specifications of WP413808 S L9XW

• Lead Free Status / RoHS Status: Compliant

P a c k a g e I n f o r m a t i o n — I n t e l
T a b l e 4 .
O c t o b e r 2 0 0 7
O r d e r N u m b e r : 3 1 7 8 0 6 - 0 0 1 U S
P C I B u s S i g n a l s ( S h e e t 2 o f 3 )
P _ I R D Y #
P _ T R D Y #
P _ S T O P #
P _ D E V S E L #
P _ S E R R #
P _ R S T O U T #
P _ P E R R #
P _ M 6 6 E N
P _ I D S E L
P _ R E Q #
P _ G N T #
P _ P C I X C A P
N a m e
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4 1 3 8 0 8 a n d 4 1 3 8 1 2
C o u n t
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P C I B u s I n i t i a t o r R e a d y i n d i c a t e s t h e i n i t i a t i n g a g e n t ’ s a b i l i t y t o
c o m p l e t e t h e c u r r e n t d a t a p h a s e o f t h e t r a n s a c t i o n . D u r i n g a
w r i t e , i t i n d i c a t e s t h a t v a l i d d a t a i s p r e s e n t o n t h e a d d r e s s / d a t a
b u s . D u r i n g a r e a d , i t i n d i c a t e s t h a t t h e p r o c e s s o r i s r e a d y t o
a c c e p t t h e d a t a .
P C I B u s T a r g e t R e a d y i n d i c a t e s t h e t a r g e t a g e n t ’ s a b i l i t y t o
c o m p l e t e t h e c u r r e n t d a t a p h a s e o f t h e t r a n s a c t i o n . D u r i n g a
r e a d , i t i n d i c a t e s t h a t v a l i d d a t a i s p r e s e n t o n t h e a d d r e s s / d a t a
b u s . D u r i n g a w r i t e , i t i n d i c a t e s t h a t t h e t a r g e t i s r e a d y t o a c c e p t
t h e d a t a .
P C I B u s S t o p i n d i c a t e s a r e q u e s t t o s t o p t h e c u r r e n t t r a n s a c t i o n
o n t h e P C I b u s .
P C I B u s D e v i c e S e l e c t i s d r i v e n b y a t a r g e t a g e n t t h a t h a s
s u c c e s s f u l l y d e c o d e d t h e a d d r e s s . A s a n i n p u t , i t i n d i c a t e s
w h e t h e r o r n o t a n a g e n t h a s b e e n s e l e c t e d .
P C I B u s S y s t e m E r r o r i s d r i v e n f o r a d d r e s s p a r i t y e r r o r s o n t h e
P C I b u s .
P C I R e s e t O u t i s b a s e d o n
P C I - s p e c i f i c r e g i s t e r s , s e q u e n c e r s , a n d s i g n a l s t o a c o n s i s t e n t
s t a t e . W h e n e i t h e r
c a u s e s
P _ R S T O U T #
d e a s s e r t e d .
P C I B u s P a r i t y E r r o r i s a s s e r t e d w h e n a d a t a p a r i t y e r r o r o c c u r s
d u r i n g a P C I b u s t r a n s a c t i o n .
P C I B u s 6 6 M H z E n a b l e i n d i c a t e s t h e s p e e d o f t h e P C I b u s . W h e n
t h i s s i g n a l i s s a m p l e d h i g h , t h e P C I b u s s p e e d i s 6 6 M H z ; w h e n
l o w , t h e b u s s p e e d i s 3 3 M H z .
P C I B u s I n i t i a l i z a t i o n D e v i c e S e l e c t i s u s e d t o s e l e c t t h e 4 1 3 8 x x
d u r i n g a c o n f i g u r a t i o n r e a d o r w r i t e .
P C I B u s R e q u e s t :
P C I B u s G r a n t :
P C I - X C a p a b i l i t y : R e f e r t o t h e I n t e l
S A S / S A T A I / O C o n t r o l l e r s S p e c i f i c a t i o n U p d a t e f o r m o r e d e t a i l s .
• P C I o u t p u t s i g n a l s a r e d r i v e n t o a k n o w n c o n s i s t e n t s t a t e .
• P C I b u s i n t e r f a c e o u t p u t s i g n a l s a r e t h r e e - s t a t e d .
• O p e n - d r a i n s i g n a l s s u c h a s P _ S E R R _ N a r e f l o a t e d .
• E x t e r n a l a r b i t e r m o d e : T h i s i s t h e o u t p u t r e q u e s t s i g n a l f o r
• E x t e r n a l a r b i t e r m o d e : T h i s i s t h e i n p u t g r a n t s i g n a l t o t h e
t h e A T U .
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P _ R S T O U T #
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