RTL8211C & RTL8211CL
Datasheet
Figure 20. RGMII Timing Modes
Table 47. RGMII Timing Parameters
Symbol
TXC/RXC
tGCC
Description
Min
Typical
Max
Units
TXC, RXC Frequency
125-100ppm
125
8
-
125+100ppm MHz
TXC, RXC Cycle Time
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tR
RXC Rise Time (20%~80%)
0.75
tF
RXC Fall Time (20%~80%)
-
-
0.75
TsetupT
TholdT
Tsetup
Thold
TXD, TXCLT Setup to TXC
1
2
2
-
-
-
TXD, TXCLT Hold from TXC
TXDLY=1; TXD, TXCLT Setup to TXC
TXDLY=1; TXD, TXCLT Hold from TXC
Data to Clock Output Skew
0.8
-0.9
2.7
-0.5
1.2
1
-
-
-
Tskew
TsetupR
TholdR
0
2
2
0.5
-
RXDLY=1; RXD, RXCLT Setup to RXC
RXDLY=1; RXD, RXCLT Hold from RXC
-
Integrated 10/100/1000 Gigabit Ethernet Transceiver
46
Track ID: JATR-1076-21 Rev. 1.3
ETC [ ETC ]
