
AX88772
USB to 10/100 Fast Ethernet/HomePNA Controller
Table of Contents
1.0
INTRODUCTION................................................................................................................4
1.1
1.2
1.3
G
ENERAL
D
ESCRIPTION
...........................................................................................................4
AX88772 B
LOCK
D
IAGRAM
....................................................................................................4
AX88772 P
INOUT
D
IAGRAM
...................................................................................................5
2.0
SIGNAL DESCRIPTION....................................................................................................6
3.0
FUNCTION DESCRIPTION............................................................................................10
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
USB C
ORE AND
I
NTERFACE
..................................................................................................10
10/100 E
THERNET
PHY.........................................................................................................10
MAC C
ORE
...........................................................................................................................10
S
TATION
M
ANAGEMENT
(STA).............................................................................................10
M
EMORY
A
RBITER
................................................................................................................11
USB
TO
E
THERNET
B
RIDGE
...................................................................................................11
S
ERIAL
EEPROM L
OADER
...................................................................................................11
G
ENERAL
P
URPOSE
I/O..........................................................................................................11
4.0
SERIAL EEPROM MEMORY MAP...............................................................................12
4.1
D
ETAILED
D
ESCRIPTION
........................................................................................................13
5.0
USB CONFIGURATION STRUCTURE.........................................................................16
5.1
5.2
5.3
USB C
ONFIGURATION
...........................................................................................................16
USB I
NTERFACE
....................................................................................................................16
USB E
NDPOINTS
...................................................................................................................16
6.0
USB COMMANDS.............................................................................................................17
6.1
6.2
6.2.1
6.2.2
6.3
USB S
TANDARD
C
OMMANDS
................................................................................................17
USB V
ENDOR
C
OMMANDS
....................................................................................................18
D
ETAILED
R
EGISTER
D
ESCRIPTION
....................................................................................19
R
EMOTE
W
AKEUP
D
ESCRIPTION
........................................................................................27
I
NTERRUPT
E
NDPOINT
...........................................................................................................27
7.0
EMBEDDED ETHERNET PHY REGISTER DESCRIPTION....................................28
7.1
7.1.1
7.1.2
7.1.3
7.1.4
7.1.5
7.1.6
7.1.7
D
ETAILED
R
EGISTER
D
ESCRIPTION
........................................................................................28
B
ASIC
M
ODE
C
ONTROL
R
EGISTER
(BMCR) ......................................................................28
B
ASIC
M
ODE
S
TATUS
R
EGISTER
(BMSR)..........................................................................29
PHY I
DENTIFIER
R
EGISTER
1.............................................................................................30
PHY I
DENTIFIER
R
EGISTER
2.............................................................................................30
A
UTO
N
EGOTIATION
A
DVERTISEMENT
R
EGISTER
(ANAR) ...............................................30
A
UTO
N
EGOTIATION
L
INK
P
ARTNER
A
BILITY
R
EGISTER
(ANLPAR)................................31
A
UTO
N
EGOTIATION
E
XPANSION
R
EGISTER
(ANER).........................................................31
8.0
ELECTRICAL SPECIFICATIONS.................................................................................33
8.1
8.1.1
8.1.2
DC
C
HARACTERISTICS
...........................................................................................................33
A
BSOLUTE
M
AXIMUM
R
ATINGS
.........................................................................................33
R
ECOMMENDED
O
PERATING
C
ONDITION
...........................................................................33
ASIX ELECTRONICS CORPORATION
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