C-3E Datasheet, PDF (84/114 Pages) Freescale Semiconductor, Inc – C-3e NETWORK PROCESSOR SILICON REVISION A1

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CHAPTER 3: ELECTRICAL SPECIFICATIONS
Table 40 Gigabit GMII/MII Ethernet Interface Timing Description
SYMBOL
GIGABIT PARAMETER
MIN TYP MAX UNIT
Tcgt
Transmit Cycle Time, GMII
8.0
ns
Tcgo Output Time, GMII
3.0
6.0
ns
Tcgr
Receive Cycle Time
8.0
ns
Tcgs Setup Time
2.0
ns
Tcgh Hold Time
0.0
ns
Tcmt Transmit Cycle Time, MII
40/400
ns
Tcmo Output Time, MII
2
12
ns
COMMENT
100BaseT/10BaseT
Table 41 Gigabit TBI Interface Timing Description
SYMBOL
TBI
Tctt
Tcto
Tctr
Tctd
Tcts
Tcth
PARAMETER
Transmit Cycle Time
Output Time
Receive Cycle Time
Rclk/Rclkn Deviation
Setup Time
Hold Time
MIN TYP
8.0
3.0
16.0
2.0
0.0
MAX TOL UNIT
ns
6.0*
ns
ns
1.0 ns
ns
ns
* _{For Fibre Channel applications this value is 7.0ns for a transmit cycle time of 9.4ns.}
C3EN