AX88772 ASIX [ASIX Electronics Corporation], AX88772 Datasheet - Page 27
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AX88772
Manufacturer Part Number
AX88772
Description
USB to 10/100 Fast Ethernet/HomePNA Controller
Manufacturer
ASIX [ASIX Electronics Corporation]
Datasheet
1.AX88772.pdf
(42 pages)
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6.2.2 Remote Wakeup Description
After AX88772 enters into suspend mode, either the USB host or AX88772 itself can awake it up and resume back to the
original operation mode before it entered suspend. Following truth table shows the chip setting, wakeup event, and device
response supported by this ASIC. Note that “X” stands for don’t-care.
6.3 Interrupt Endpoint
The Interrupt Endpoint contains 8 bytes of data and its frame format is defined as: A100_BB00_CCDD_EEFF.
Where BB byte in byte 3:
CCDD byte in byte 5 and 6: Primary Phy’s register value, whose offset is given in High byte of EEPROM offset 0Fh.
EEFF byte in byte 7 and 8: Primary Phy’s register value, whose offset is given in Low byte of EEPROM offset 0Fh.
PPLS: Primarily PHY Link State.
SPLS: Secondary PHY Link State.
FLE: Bulk Out Ethernet Frame Length Error.
MDINT: Input level of MDINT pin. The MDINT pin can be connected to MDINT# pin of Ethernet Phy.
Wakeup
Device
Device
Device
Device
Device
1: Link is up.
0: Link is down.
1: Link is up.
0: Link is down.
1: When MDINT input pin = 1.
0: When MDINT input pin = 0.
1: Proprietary Length field has parity error during Bulk Out transaction.
0: Proprietary Length field has no parity error during Bulk Out transaction.
Host
Bit7
by
RWU bit
EEPRO
of Flag
byte in
M
X
0
1
1
1
1
Bit6
Set_Feature
Reserved
command
standard
X
0
1
1
1
1
Setting
Bit5
RWLU of
Monitor
Register
Mode
X
X
X
0
1
1
Table 5: Remote Wakeup Truth Table
USB to 10/100 Fast Ethernet/HomePNA Controller
Bit4
RWMP of
Monitor
register
Mode
X
X
X
1
0
0
MDINT
Host send
Bit3
resume
J -> K
signal
27
Receiving
Packet
Magic
Yes
Bit2
FLE
X
Wakeup Event
EXTWAKE
Low-pulse
UP_N pin
ASIX ELECTRONICS CORPORATION
X
SPLS
Bit1
detected
Primary
Linkup
Phy
Yes
on
X
PPLS
Bit0
detected on
Secondary
Linkup
Phy
Yes
X
AX88772
awakes up?
Device
Yes
Yes
Yes
Yes
Yes
No