ax88783lf ASIX Electronics Corporation, ax88783lf Datasheet - Page 29

• Manufacturer Part Number: ax88783lf
• Description: 2-port 10/100m Fast Ethernet Controller
• Manufacturer: ASIX Electronics Corporation

CS
DIO
SK
MODE2,
MODE1,
MODE0
TEST0
TEST1
TEST2
RST_N
PME
VCCAH
V18
GNDA
VCCK
VCC3IO
GND
Signal Name
Signal Name
2.4
2.5
EEROM Interface
Miscellaneous IO Pin Function
B3/8mA/
B3/8mA/
B3/8mA/
I/O
PD
PD
I/O
O3
I3
I3
I3
I3
I3
I3
I3
T
P
P
P
P
P
P
35,41,53,73 53,65,87,118 1.8 Volt. DC Power Supply for core logic
AX88782
31,44,65
32,43,80
AX88782
Pin No.
Pin No.
30
29
28
27
38
25
26
24
79
78
77
AX88783
AX88783
42,78,105
Pin No.
Pin No.
106,128
127
126
125
124
45,72,
41
40
39
46
60
28
59
26
27
25
EEPROM chip select signal
PU: Pull-Up with a 4.7K ohm resistor to VCC
PD: Pull-Down with a 4.7K ohm resistor to ground
EEPROM bi-direction data signal. This pin should connect to
EEPROM’s DO and DI pin.
EEPROM clock (1MHz)
Chip Bus Mode Select
PU: Pull-Up with a 4.7K ohm resistor to VCC
PD: Pull-Down with a 4.7K ohm resistor to ground
Pull-Down with a 4.7K ohm resistor to ground when the Port 1 is
in the PHY, RMII or reverse RMII mode
Pull-Down with a 4.7K ohm resistor to ground
Pull-Down with a 4.7K ohm resistor to ground
Chip Reset pin. Default is active low.
Power Management Event. This pin is used to indicate that a
power management event has occurred.
Internal Regulator 3.3 Volt DC power input
Internal Regulator 1.8 Volt DC power output.
Internal Regulator analog ground pin
Support 1.8V, 2.5V or 3.3 multi voltage DC Power Supply for
IO pad
Ground
N/A (default)
1K(93C46)
2K(93C56)
4K(93C66)
MODE2 MODE1 MODE0 Chip Mode
PD
PD
PD
EEPROM size SK
29
PD
PD
PU
2-Port 10/100M Fast Ethernet Controller
PD
PD
PU
PU
ASIX ELECTRONICS CORPORATION
PD
PU
PD
PD
PU
PD
PU
CS
Description
Description
8-Bit CPU Bus Mode
16-Bit CPU Bus Mode
32-Bit CPU Bus Mode
Non-PCI 8/16/32-Bit
AX88782/AX88783