ax88783lf ASIX Electronics Corporation, ax88783lf Datasheet - Page 44

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

6.4 Power-up Sequence
At power-up, the AX88782/AX88783 requires the VCC3IO/VCC3A3 power supply to rise to nominal operating voltage
within Trise3 and the V18/VCCK/VCC18A power supply to rise to nominal operating voltage within Trise2.
Note: Please read the register 0x000 [16] ChipInitDone to check if the chip has finish initialized process.
VCC3IO/VCC3A3
XTLN
Symbol
RST_N
V18/VCCK/VCC18A
T
T3
T4
T
T
12
1
2
3.3V power supply rise time
1.8V power supply rise time
3.3V rise to 1.8V rise time delay
System Reset rise time after the
clock is stable
Oscillator stable time
Parameter
T1
From 0V to 3.3V
From 0V to 1.8V
From VCCIO =
3.3V and VCCK =
1.8V to RST_N
going high
From VCCK =
1.8V
T2
Condition
44
T12
T4
Min
200
805
0.5
T3
-5
-
2-Port 10/100M Fast Ethernet Controller
ASIX ELECTRONICS CORPORATION
Typ
-
-
-
3.3V
0V
0V
1.8V
Max
10
10
5
Non-PCI 8/16/32-Bit
Unit
AX88782/AX88783
ms
ms
ms
us
us