VSC8211XVW Vitesse Semiconductor Corp, VSC8211XVW Datasheet - Page 75

• Manufacturer Part Number: VSC8211XVW
• Description: IC PHY 10/100/1000 SGL 117-LBGA
• Manufacturer: Vitesse Semiconductor Corp
• Type: PHY Transceiverr

Specifications of VSC8211XVW

• Number Of Drivers/receivers: 1/1
• Protocol: Gigabit Ethernet
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 117-LBGA
• Case: BGA
• Dc: 07+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 907-1023

21 PHY Startup and Initialization
The PHY Startup and Initialization sequence is detailed in the flowchart below.
VMDS-10105 Revision 4.1
October 2006
B
N O R M A L S T A T E
L a tc h E E D A T ,P L L M O D E ,O S C D IS z a n d M D IN T z
1 .P e rfo m H a rd w a re In itia liz a tio n - i.e . o v e rw r ite
2 .S to re s ta rtu p C M O D E in itia liz a tio n v a lu e s
3 . S e t In te rn a l v a ria b le S R = 0 .
d e fa u lt P H Y R e g is te r v a lu e s u s in g c o n fig u ra tio n
S R E S E T z
d e fa u lt P H Y R e g is te r v a lu e s b a s e d o n r e s is to r
v a lu e s o n C M O D E [7 :0 ]
Is T X D IS /
p o la r ity u s in g in te r n a lly g e n e r a te d ris in g e d g e
P e rfo r m E E P R O M In itia liz a tio n - i.e . o v e rw r ite
a s s e r te d
S R = 1
Y
C
S ta r t - 3 .3 v s u p p ly is u p
Is e x te r n a l 1 .2 v
E E P R O M d a ta
If R E S E T z = 1
in p u t p r e s e n t
N
If E E D A T = 1
Is R E F C L K
s u p p ly u p
Y
Y
Y
Y
A
S ta rt - 3 .3 v s u p p ly is u p
Figure 35. PHY Startup and Initialization Sequence
N
If R E S E T z = 0
N
P H Y S ta r tu p a n d In itia liz a tio n
Y
B
N
N
75 of 165
N
N
N
C
(O n R E S E T z d e a s s e rtio n th is b it w ill b e s e t to 1 )
(O n R E S E T z d e a s s e rtio n th is b it w ill b e s e t to 0 )
d e fa u lt P H Y R e g is te r v a lu e s u s in g c o n fig u ra tio n
D riv e o u t C L K O U T M A C a n d C L K O U T M IC R O if
1 .P e r fo m In itia liz a tio n - i.e . o v e rw r ite
P e rfo r m E E P R O M In itia liz a tio n - i.e . o v e r w r ite
d e fa u lt P H Y R e g is te r v a lu e s b a s e d o n s to re d
C M O D E v a lu e s .
If M II R e g is te r 2 2 .9 ‘S tic k y R e s e t E n a b le ’= 0
If E x te n d e d M II R e g is te r 2 1 E .1 4 ‘R e r e a d
1 . E n t e r N o r m a l O p e r a t in g M o d e
2 . R e le a s e S M I f o r u s e r a c c e s s .
( T h e a s s e rtio n p o la r ity is b a s e d o n
Is T X D IS /S R E S E T z d e a s s e rte d
2 1 E .1 5 , w h ic h c a n b e in itia liz e d
s e ttin g o f E x te n d e d M II re g is te r
u s in g H a rd w a re o r E E P R O M
e n a b le d d u rin g In itia lz a tio n .
E E P R O M o n s /w re s e t’= 1
N O R M A L S T A T E
E E P R O M d a ta
In itia liz a tio n )
If E E D A T = 1
If S R = 1
A
Y
Y
Y
Y
Y
Datasheet
VSC8211
N
N
N