MPC8360 datasheet(30/112 Pages) FREESCALE

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

Freescale Semiconductor

UCC Ethernet Controller: Three-Speed Ethernet, MII Management

Figure 10 shows the GMII receive AC timing diagram.

Figure 10. GMII Receive AC Timing Diagram

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

Table 29 provides the MII transmit AC timing specifications.

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, VIL(min) to VIH(max)

tMTXR

1.0

—

4.0

TX_CLK data clock fall time, VIH(max) to VIL(min)

tMTXF

1.0

—

4.0

Note:

1. The symbols used for timing specifications herein 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).

RX_CLK

RXD[7:0]

tGRDXKH

tGRX

tGRXH

tGRXR

tGRXF

tGRDVKH

RX_DV

RX_ER

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