TNETV1002IDZHK datasheet(88/102 Pages) TI1

88 / 102 page

Electrical Specifications

June 2001 -- Revised December 2002

SPRS180C

6.14 MII Timings

Table 6--33 and Table 6--34 assume testing over recommended operating conditions (see Figure 6--33 and

Figure 6--34).

Table 6--33. MII Timing Requirements (Receive)

MIN†

MAX

UNIT

tsu(TCLKH-RXD)

Setup time, read RXD[3:0] before TCLK high

10/10

tsu(TCLKH-RXER)

Setup time, read RX error valid before TCLK high

10/10

tsu(TCLKH-RXDV)

Setup time, read RX data valid before TCLK high

10/10

thd(RXD-TCLKH)

Hold time, read RXD[3:0] after TCLK high

10/10

thd(RXER-TCLKH)

Hold time, read RX error valid after TCLK high

10/10

thd(RXDV-TCLKH)

Hold time, read RX data valid after TCLK high

10/10

tw(TCLKH)

Pulse duration, TCLK high

140/14

tw(TCLKL)

Pulse duration, TCLK low

140/14

tw(TCLK)

Cycle time, TCLK

400/40

† The timings format is based on 10 Mb/s / 100 Mb/s.

RCLK

RXD[3:0],

RXER,

RXDV

Figure 6--33. MII Receive Timing

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