AX88772 ASIX [ASIX Electronics Corporation], AX88772 Datasheet - Page 36

• Manufacturer Part Number: AX88772
• Description: USB to 10/100 Fast Ethernet/HomePNA Controller
• Manufacturer: ASIX [ASIX Electronics Corporation]

8.4.1.2 XIN25M
8.4.2 Reset Timing
XIN12M
RESET_N
8.4.3 MII Timing (100Mbps)
TX_CLK
TXD [3:0]
TX_EN, TX_ER
Symbol
Symbol
T
T
T
T
T
Symbol
Ttclk
Ttch
H_XIN25M
P_XIN25M
L_XIN25M
R_XIN25M
F_XIN25M
Trst
Ttcl
Tth
Tts
Reset pulse width (6ms ~10ms) after XIN12M
is running
TX_CLK clock cycle time *1
TX_CLK clock high time *2
TX_CLK clock low time *2
TXD [3:0], TX_EN, TX_ER setup time
TXD [3:0], TX_EN, TX_ER hold time
XIN25M clock cycle time
XIN25M clock high time
XIN25M clock low time
XIN25M rise time
XIN25M fall time
T
R_XIN25M
Parameter
T
Description
H_XIN25M
Description
T
P_XIN25M
T
F_XIN25M
Trst
T
Ttclk
USB to 10/100 Fast Ethernet/HomePNA Controller
L_XIN25M
V
V
IL
IH
Tts
(max) to V
(min) to V
Condition
Ttch Ttcl
72000
Min
IL
IH
36
(max)
(min)
Typ
-
Min
28.0
5.0
Min
-
-
-
-
-
-
-
-
V
V
Max
ASIX ELECTRONICS CORPORATION
IH
IL
-
Typ
40.0
20.0
20.0
Typ
40.0
20.0
20.0
-
-
-
-
Tth
XIN12M clock cycle
Max
1.0
1.0
-
-
-
Max
-
-
-
-
-
Units
Unit
ns
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
AX88772