88E1111 Datasheet, PDF (217/252 Pages) List of Unclassifed Manufacturers – Integrated 10/100/1000 Ultra Gigabit Ethernet Transceiver

Electrical Specifications
RGMII/RTBI Interface Timing
4.12.2 RGMII/RTBI Delay Timing for different RGMII/RTBI Modes
4.12.2.1 PHY Input - GTX_CLK Delay when Register 20.1 = 0
(Over full range of values listed in the Recommended Operating Conditions unless otherwise specified)
Symbol
t_setup
t_hold
Parameter
Register 20.1 = 0
Min
Ty p
Max
1.0
0.8
Figure 52: GTX_CLK Delay Timing - Register 20.1 = 0
Units
ns
ns
GTX_CLK
TXD[3:0], TX_CTL
t_hold
t_setup
t_hold
t_setup
4.12.2.2 PHY Input - GTX_CLK Delay when Register 20.1 = 1
(Over full range of values listed in the Recommended Operating Conditions unless otherwise specified)
Symbol
t_setup
t_hold
Parameter
Register 20.1 = 1 (add delay)
Min
Ty p
Max
-0.9
2.7
Figure 53: GTX_CLK Delay Timing - Register 20.1 = 1 (add delay)
GTX_CLK
TXD[3:0], TX_CTL
t_setup
t_hold
t_setup
t_hold
Units
ns
ns
Copyright © 2004 Marvell
November 19, 2004, Advance
CONFIDENTIAL
Document Classification: Proprietary Information
Doc. No. MV-S100649-00, Rev. E
Page 217