RTL8211C & RTL8211CL
Datasheet
8.6. Power Sequence
Figure 17. Power Sequence
Table 41. Power Sequence parameter
Symbol
Rt1
Description
Min
Typical
Max
100
100
Units
ms
3.3V Rise Time
1
-
-
Rt1
2.5V RGMII Rise Time
-
ms
Note: The RTL8211C(L) does not support fast 3.3V rising. The 3.3V rise time must be controlled over 1ms. If the rise time is
too short, it will induce a peak voltage in VDDREG which may cause permanent damage to the switching regulator.
9. Application Diagram
Switching
Regulator
Power 3.3V, 1.05V
Main/Aux. Power
25 MHz
Clock
1.05V
LED
Power 3.3V,
Power
LED
RGMII
MAC
RTL8211C(L)
125 MHz Clock
MDC
MDIO
Figure 18. Application Diagram
Integrated 10/100/1000 Gigabit Ethernet Transceiver
42
Track ID: JATR-1076-21 Rev. 1.3
ETC [ ETC ]
