MPC8569E datasheet(72/127 Pages) FREESCALE

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MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1

Ethernet Interface

Freescale Semiconductor

2.6.5

QUICC Engine Block IEEE 1588 Electrical Characteristics

2.6.5.1

QUICC Engine Block IEEE 1588 DC Specifications

The following table shows the QUICC Engine block IEEE 1588 DC specifications when operating from a 3.3 V supply.

2.6.5.2

QUICC Engine Block IEEE 1588 AC Specifications

The following table provides the QUICC Engine block IEEE 1588 AC timing specifications.

Table 40. QUICC Engine Block IEEE 1588 DC Electrical Characteristics

At recommended operating conditions with OVDD =3.3 V

Parameter

Symbol

Min

Max

Unit

Notes

Input high voltage

VIH

2.0

—

Input low voltage

VIL

—0.90

—

Input high current (VIN = OVDD)IIH

—40

μA2

Input low current (VIN = GND)

IIL

–600

—

μA2

Output high voltage (OVDD = min, IOH = –4.0 mA)

VOH

2.1

OVDD + 0.3

—

Output low voltage (OVDD = min, IOL = 4.0 mA)

VOL

GND

0.50

—

Note:

1. The min VILand max VIH values are based on the respective min and max OVIN values found in Table 3.

2. The symbol VIN, in this case, represents the OVIN symbols referenced in Table 2 and Table 3.

Table 41. QUICC Engine Block IEEE 1588 AC Timing Specifications

Parameter

Symbol

Min

Typ

Max

Unit

Notes

QE_1588_CLK clock period

tT1588CLK

3.8

—

TRX_CLK × 7

1, 3

QE_1588_CLK duty cycle

tT1588CLKH/

tT1588CLK

QE_1588_CLK peak-to-peak jitter

tT1588CLKINJ

——

250

Rise time QE_1588_CLK (20%–80%)

tT1588CLKINR

1.0

—

2.0

Fall time QE_1588_CLK (80%–20%)

tT1588CLKINF

1.0

—

2.0

QE_1588_CLK_OUT clock period

tT1588CLKOUT

2×tT1588CLK

——

—

QE_1588_CLK_OUT duty cycle

tT1588CLKOTH/

tT1588CLKOUT

—

QE_1588_PPS_OUT

tT1588OV

0.5

—

4.0

—

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