C-3E Datasheet, PDF (82/114 Pages) Freescale Semiconductor, Inc – C-3e NETWORK PROCESSOR SILICON REVISION A1

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CHAPTER 3: ELECTRICAL SPECIFICATIONS
CPn_0 (TCLK)
CPn_2/3/6 (Tx)
CPn_1/4/5 (Rx)
Table 38 DS1/DS3 Ethernet Timing Description (continued)
SYMBOL
Tcds
Tcdh
PARAMETER
DS1/DS3 Setup Time
DS1/DS3 Hold Time
MIN TYP
MAX
UNIT
2.0
ns
0
ns
10/100 Ethernet Timing Specifications
The 10/100 Ethernet interface timing is shown in Figure 15 and described in Table 39.
Figure 15 10/100 Ethernet Timing Diagram
Cycle 1
Cycle 2
Cycle 3
Cycle 4
Cycle 5
T_cet
T_ceo
T_ces Tceh
Table 39 10/100 Ethernet Timing Description
SYMBOL PARAMETER
MIN TYP
Tcet
Transmit Cycle Time*
20
Tceo Output Time
3.0
Tces
Setup Time
2.0
Tceh Hold Time
0
* _{STD/Fast Ethernet}
MAX UNIT
ns
15.0 ns
ns
ns
C3EN