MPC8358ECVRADDDA datasheet(29/102 Pages) FREESCALE

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MPC8360E/MPC8358E PowerQUICC II Pro Processor Revision 2.x TBGA Silicon Hardware Specifications, Rev. 5

Freescale Semiconductor

GMII, MII, RMII, TBI, RGMII, and RTBI AC Timing Specifications

8.2.2

MII AC Timing Specifications

This section describes the MII transmit and receive AC timing specifications.

8.2.2.1

MII Transmit AC Timing Specifications

This table provides the MII transmit AC timing specifications.

This figure shows the MII transmit AC timing diagram.

Figure 12. MII Transmit AC Timing Diagram

Table 29. MII Transmit AC Timing Specifications

At recommended operating conditions with LVDD/OVDD of 3.3 V ± 10%.

Parameter/Condition

Symbol1

Min

Typ

Max

Unit

TX_CLK clock period 10 Mbps

tMTX

—400

—

TX_CLK clock period 100 Mbps

tMTX

—40—

TX_CLK duty cycle

tMTXH/tMTX

—

TX_CLK to MII data TXD[3:0], TX_ER, TX_EN delay

tMTKHDX

tMTKHDV

—

5—

TX_CLK data clock rise time, (20% to 80%)

tMTXR

1.0

—

4.0

TX_CLK data clock fall time, (80% to 20%)

tMTXF

1.0

—

4.0

Note:

1. The symbols used for timing specifications follow the pattern of t(first two letters of functional block)(signal)(state)(reference)(state) for

inputs and t(first two letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tMTKHDX symbolizes MII transmit

timing (MT) for the time tMTX clock reference (K) going high (H) until data outputs (D) are invalid (X). Note that, in general,

the clock reference symbol representation is based on two to three letters representing the clock of a particular functional.

For example, the subscript of tMTX represents the MII(M) transmit (TX) clock. For rise and fall times, the latter convention is

used with the appropriate letter: R (rise) or F (fall).

TX_CLK

TXD[3:0]

tMTKHDX

tMTX

tMTXH

tMTXR

tMTXF

TX_EN

TX_ER

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