PF38F3040L0YBQ0 Intel, PF38F3040L0YBQ0 Datasheet - Page 61

• Manufacturer Part Number: PF38F3040L0YBQ0
• Manufacturer: Intel

Specifications of PF38F3040L0YBQ0

• Operating Supply Voltage (max): 1.95V
• Operating Temperature (max): 85C
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Supplier Unconfirmed

7 6 8 - M b i t L Q F a m i l y w i t h S y n c h r o n o u s P S R A M
1 2 . 2 . 2 . 3
T a b l e 2 5 .
1 2 . 3
1 2 . 3 . 1
A u g u s t 2 0 0 6
O r d e r N u m b e r : 3 1 4 4 7 6 - 0 0 1
D e s c r i p t i o n o f P S R A M P a r t i a l - A r r a y S e l f - R e f r e s h R C R B i t
B y a p p l y i n g P A S R t h e u s e r c a n d y n a m i c a l l y c u s t o m i z e t h e m e m o r y c a p a c i t y t o t h e
s y s t e m ’ s a c t u a l n e e d i n n o r m a l o p e r a t i o n m o d e a n d s t a n d b y m o d e . R C R [ 2 : 0 ] s p e c i f i e s
t h e a c t i v e m e m o r y a r r a y a n d i t s l o c a t i o n ( s t a r t i n g f r o m b o t t o m o r t o p ) . T h e m e m o r y
p a r t s n o t u s e d a r e p o w e r e d d o w n i m m e d i a t e l y a f t e r t h e m o d e r e g i s t e r h a s b e e n
p r o g r a m m e d . A d v i c e f o r t h e p r o p e r r e g i s t e r s e t t i n g i n c l u d i n g t h e a d d r e s s r a n g e s i s
g i v e n i n t h e f i g u r e b e l o w . P A S R i s e f f e c t i v e i n n o r m a l o p e r a t i o n a n d s t a n d b y m o d e a s
s o o n a s i t h a s b e e n c o n f i g u r e d b y r e g i s t e r p r o g r a m m i n g .
P S R A M P A S R A d d r e s s P a t t e r n
P S R A M A c c e s s t o C o n t r o l R e g i s t e r
T h e P S R A M c o n t r o l r e g i s t e r s ( B C R a n d R C R ) c a n b e u p d a t e d a t a n y t i m e t o s e l e c t
d e s i r e d o p e r a t i n g m o d e s .
T h e c o n t r o l r e g i s t e r s c a n b e a c c e s s e d b y t h e h a r d w a r e a c c e s s m e t h o d u s i n g t h e C R E
p i n o r s o f t w a r e a c c e s s m e t h o d c o n s i s t i n g o f a s e r i e s o f r e a d s a n d w r i t e s .
T h e t w o m e t h o d s a r e d e s c r i b e d i n t h e s e c t i o n s b e l o w .
P S R A M H a r d w a r e C o n t r o l R e g i s t e r A c c e s s
H a r d w a r e w r i t e o r r e a d a c c e s s t o t h e P S R A M r e g i s t e r s o c c u r s b y a p p l y i n g t h e S C R a n d
F C R c o m m a n d s w i t h t h e C R E s i g n a l a s s e r t e d h i g h . D u r i n g t h e S C R a n d F C R c o m m a n d s ,
A [ 1 9 : 1 8 ] d e s i g n a t e s t a r g e t r e g i s t e r . A [ 1 9 : 1 8 ] = 0 0 b a c c e s s e s t h e R e f r e s h C o n t r o l
R e g i s t e r ( R C R ) , A [ 1 9 : 1 8 ] = 1 0 b a c c e s s e s t h e B u s C o n t r o l R e g i s t e r ( B C R ) . T h e S C R a n d
F C R c o m m a n d s c a n b e a p p l i e d i n e i t h e r s y n c h r o n o u s o r a s y n c h r o n o u s m o d e .
6 4 M b i t
3 2 M b i t
D e v i c e
A 2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
A 1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
A 0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
D e n s i t y ( M b )
6 4
3 2
1 6
3 2
1 6
3 2
1 6
1 6
8
0
8
8
4
0
8
4
L o w e r 1 / 2 o f t h e a r r a y
L o w e r 1 / 4 o f t h e a r r a y
L o w e r 1 / 8 o f t h e a r r a y
U p p e r 1 / 2 o f t h e a r r a y
U p p e r 1 / 4 o f t h e a r r a y
U p p e r 1 / 8 o f t h e a r r a y
L o w e r 1 / 2 o f t h e a r r a y
L o w e r 1 / 4 o f t h e a r r a y
L o w e r 1 / 8 o f t h e a r r a y
U p p e r 1 / 2 o f t h e a r r a y
U p p e r 1 / 4 o f t h e a r r a y
U p p e r 1 / 8 o f t h e a r r a y
I n t e l S t r a t a F l a s h ® W i r e l e s s M e m o r y ( L 1 8 S C S P )
A c t i v e S e c t i o n
F u l l A r r a y
F u l l A r r a y
N o n e
N o n e
0 0 0 0 0 0 h – 1 F F F F F h
0 0 0 0 0 0 h – 0 F F F F F h
0 0 0 0 0 0 h – 0 7 F F F F h
0 0 0 0 0 0 h – 0 3 F F F F h
1 0 0 0 0 0 h – 1 F F F F F h
1 8 0 0 0 0 h – 1 F F F F F h
1 C 0 0 0 0 h – 1 F F F F F h
0 0 0 0 0 0 h - 3 F F F F F h
0 0 0 0 0 0 h - 1 F F F F F h
0 0 0 0 0 0 h - 0 F F F F F h
0 0 0 0 0 0 h - 0 7 F F F F h
2 0 0 0 0 0 h - 3 F F F F F h
3 0 0 0 0 0 h - 3 F F F F F h
3 8 0 0 0 0 h - 3 F F F F F h
A d d r e s s
N o n e
0
D a t a s h e e t
6 1