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P M O N U n i t — I n t e l
8 1 3 4 1 a n d 8 1 3 4 2
T a b l e 6 1 1 . P M O N S t a t u s R e g i s t e r 0 - 7 - P M O N _ S T S [ 0 : 7 ] ( S h e e t 2 o f 2 )
31
IOP
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Attributes
PCI
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Attributes
R e g i s t e r O f f s e t
P M O N
_ S T S 0
+ 0 0 8 h
P M O N
_ S T S 1
+ 0 1 8 h
P M O N
_ S T S 2
+ 0 2 8 h
P M O N
_ S T S 3
+ 0 3 8 h
P M O N
_ S T S 4
+ 0 4 8 h
P M O N
_ S T S 5
+ 0 5 8 h
P M O N
_ S T S 6
+ 0 6 8 h
P M O N
_ S T S 7
+ 0 7 8 h
B i t
D e f a u l t
C o m m a n d T r i g g e r I n d i c a t o r ( C T I )
0 = N O c o m m a n d s h a v e b e e n t r i g g e r e d s i n c e t h e l a s t t i m e t h i s b i t w a s c l e a r e d .
1 = A c o m m a n d W A S t r i g g e r e d s i n c e t h e l a s t t i m e t h i s b i t w a s c l e a r e d .
2 5
0 b
S o f t w a r e c a n u s e t h i s b i t t o k n o w t h a t a c o m m a n d t h a t w a s p e n d i n g e a r l i e r h a s b e e n t r i g g e r e d . O n c e a
c o m m a n d h a s b e e n t r i g g e r e d , a n o t h e r c o m m a n d c a n b e t r i g g e r e d t o e x e c u t e .
T h e n u l l e v e n t d o e s n o t c a u s e t h i s C o m m a n d T r i g g e r I n d i c a t o r t o b e a s s e r t e d .
T h r e s h o l d I n d i c a t o r ( T H I )
0 = N o t h r e s h o l d e v e n t h a s b e e n g e n e r a t e d s i n c e t h e l a s t t i m e t h i s b i t w a s c l e a r e d .
2 4
0 b
1 = T h i s c o u n t e r g e n e r a t e d a t h r e s h o l d e v e n t d u e t o a t r u e t h r e s h o l d c o n d i t i o n c o m p a r e s i n c e t h e l a s t
2 3 : 1 2
0 0 0 h
R e s e r v e d
C l o c k P e r i o d ( C P )
T h i s f i x e d p o i n t f i e l d i s 5 . 3 f o r m a t w h i c h a l l o w s r e p r e s e n t i n g c l o c k p e r i o d s f r o m 0 . 1 2 5 n s ( 8 G H z ) t o
3 1 . 8 7 5 n s ( a l i t t l e o v e r 3 1 M H z ) i n 1 2 5 p s i n c r e m e n t s .
1 1 : 4
T B D
E x a m p l e : 1 0 0 M H z = 1 0 . 0 0 0 n s p e r i o d = 0 1 0 1 0 . 0 0 0 b = 5 0 h
E x a m p l e : 1 3 3 M H z = 7 . 5 0 0 n s p e r i o d = 0 0 1 1 1 . 1 0 0 b = 3 C h
E x a m p l e : 1 6 7 M H z = 6 . 0 0 0 n s p e r i o d = 0 0 1 1 0 . 0 0 0 b = 3 0 h
E x a m p l e : 2 0 0 M H z = 5 . 0 0 0 n s p e r i o d = 0 0 1 0 1 . 0 0 0 b = 2 8 h
3 : 0
0 h
R e s e r v e d
D e c e m b e r 2 0 0 7
O r d e r N u m b e r : 3 1 5 0 3 7 - 0 0 2 U S
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24
20
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sc
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t i m e t h i s b i t w a s c l e a r e d .
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12
rv
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rv
rv
rv
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ro
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ro
rv
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rv
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A t t r i b u t e L e g e n d :
R V = R e s e r v e d
P R = P r e s e r v e d
R S = R e a d / S e t
R W = R e a d / W r i t e
D e s c r i p t i o n
I n t e l
8
4
0
ro
ro
ro
ro
ro
rv
rv
rv
rv
ro
ro
ro
ro
ro
rv
rv
rv
rv
S C = R e a d S e t / W r i t e C l e a r
R C = R e a d C l e a r
R O = R e a d O n l y
N A = N o t A c c e s s i b l e
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8 1 3 4 1 a n d 8 1 3 4 2 I / O P r o c e s s o r s
D e v e l o p e r ' s M a n u a l
9 7 3
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