MPC8360CVVALDHA datasheet(30/102 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

8.2.2.2

MII Receive AC Timing Specifications

This table provides the MII receive AC timing specifications.

This figure provides the AC test load.

Figure 13. AC Test Load

This figure shows the MII receive AC timing diagram.

Figure 14. MII Receive AC Timing Diagram

Table 30. MII Receive AC Timing Specifications

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

Parameter/Condition

Symbol1

Min

Typ

Max

Unit

RX_CLK clock period 10 Mbps

tMRX

—400

—

RX_CLK clock period 100 Mbps

tMRX

—40—

RX_CLK duty cycle

tMRXH/tMRX

—

RXD[3:0], RX_DV, RX_ER setup time to RX_CLK

tMRDVKH

10.0

—

RXD[3:0], RX_DV, RX_ER hold time to RX_CLK

tMRDXKH

10.0

—

RX_CLK clock rise time, (20% to 80%)

tMRXR

1.0

—

4.0

RX_CLK clock fall time, (80% to 20%)

tMRXF

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, tMRDVKH symbolizes MII receive

timing (MR) with respect to the time data input signals (D) reach the valid state (V) relative to the tMRX clock reference (K)

going to the high (H) state or setup time. Also, tMRDXKL symbolizes MII receive timing (GR) with respect to the time data

input signals (D) went invalid (X) relative to the tMRX clock reference (K) going to the low (L) state or hold time. Note that, in

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

For example, the subscript of tMRX represents the MII (M) receive (RX) clock. For rise and fall times, the latter convention

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

Output

Z0 = 50 Ω

LVDD/2

RL = 50 Ω

RX_CLK

RXD[3:0]

tMRDXKH

tMRX

tMRXH

tMRXR

tMRXF

RX_DV

RX_ER

tMRDVKH

Valid Data

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