MPC5121E datasheet(48/86 Pages) FREESCALE

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MPC5121E/MPC5123 Data Sheet, Rev. 1

Electrical and Thermal Characteristics

Freescale Semiconductor

Table 3-27. Timing Parameters PIO Write

ATA

Parameter

PIO Write

Mode Timing

Parameter

Value

How to meet

SpecID

t1(min) = time_1 * T – (tskew1 + tskew2 + tskew5)

time_1, see Reference

Manual

A9.30

t2r

t2(min) = time_2w * T - (tskew1 + tskew2 + tskew5)

calculate and programming

time_2w, see Reference

Manual

A9.31

t9(min) = time_9 * T - (tskew1 + tskew2 + tskew6)

time_9, see Reference

Manual

A9.32

—

t3(min) = (time_2w - time_on)* T - (tskew1 + tskew2

+tskew5)

If not met, increase time_2w

A9.33

t4(min) = time_4 * T - tskew1

calculate and programming

time_4, see Reference

Manual

A9.34

tA = (1.5 + time_ax) * T - (tco + tsui + tcable2 + tcable2 +

2*tbuf)

calculate and programming

time_ax, see Reference

Manual

A9.35

—

t0(min) = (time_1 + time_2 + time_9) * T

time_1, time_2r, time_9

A9.36

—

Avoid bus contention when switching buffer on

by making ton long enough

—

A9.37

—

Avoid bus contention when switching buffer off

by making toff long enough

—

A9.38

Preliminary

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