MPC8535EEC datasheet(47/127 Pages) NXP

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Electrical Characteristics

MPC8535E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 7

Freescale Semiconductor

This figure shows the MII receive AC timing diagram.

Figure 21. MII Receive AC Timing Diagram

2.9.2.4

TBI AC Timing Specifications

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

2.9.2.4.1

TBI Transmit AC Timing Specifications

This table provides the TBI transmit AC timing specifications.

This figure shows the TBI transmit AC timing diagram.

Table 32. TBI Transmit AC Timing Specifications

At recommended operating conditions with L/TVDD of 3.3 V ± 5%.

Parameter/Condition

Symbol 1

Min

Typ

Max

Unit

GTX_CLK clock period

tTTX

—8.0

—

GTX_CLK duty cycle

tTTXH/tTTX

—

GTX_CLK to TCG[9:0] delay time

tTTKHDX

1.0

—

5.0

GTX_CLK rise (20%–80%)

tTTXR

——

1.0

GTX_CLK fall time (80%–20%)

tTTXF

——

1.0

Notes:

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, tTTKHDV symbolizes the TBI

transmit timing (TT) with respect to the time from tTTX (K) going high (H) until the referenced data signals (D) reach the valid

state (V) or setup time. Also, tTTKHDX symbolizes the TBI transmit timing (TT) with respect to the time from tTTX (K) going high

(H) until the referenced data signals (D) reach the invalid state (X) 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 tTTX

represents the TBI (T) transmit (TX) clock. For rise and fall times, the latter convention is used with the appropriate letter: R

(rise) or F (fall).

2. Data valid tTTKHDV to GTX_CLK Min Setup time is a function of clock period and max hold time. (Min Setup = Cycle time - Max

Hold)

RX_CLK

RXD[3:0]

tMRDXKL

tMRX

tMRXH

tMRXR

tMRXF

RX_DV

RX_ER

tMRDVKH

Valid Data

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