MPC8572ECLPXATLD datasheet(27/140 Pages) FREESCALE

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MPC8572E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 4

Freescale Semiconductor

DUART

Table 19 provides the differential specifications for the MPC8572E differential signals MDQS/MDQS and

MCK/MCK when in DDR3 mode.

7DUART

This section describes the DC and AC electrical specifications for the DUART interface of the

MPC8572E.

7.1

DUART DC Electrical Characteristics

Table 20 provides the DC electrical characteristics for the DUART interface.

Table 19. DDR3 SDRAM Differential Electrical Characteristics

Parameter/Condition

Symbol

Min

Max

Unit

Notes

DC Input Signal Voltage

VIN

——

—

DC Differential Input Voltage

VID

——

—

AC Differential Input Voltage

VIDAC

——

—

DC Differential Output Voltage

VOH

——

—

AC Differential Output Voltage

VOHAC

——

—

AC Differential Cross-point Voltage

VIXAC

——

—

Input Midpoint Voltage

VMP

——

—

Table 20. DUART DC Electrical Characteristics

Parameter

Symbol

Min

Max

Unit

Supply voltage (3.3 V)

OVDD

3.13

3.47

High-level input voltage

VIH

2OVDD + 0.3

Low-level input voltage

VIL

–0.3

0.8

Input current

(VIN

1 = 0 V or V

IN = VDD)

IIN

—±5

μA

High-level output voltage

(OVDD = min, IOH = –2 mA)

VOH

2.4

—

Low-level output voltage

(OVDD = min, IOL = 2 mA)

VOL

—0.4

Note:

1. Note that the symbol VIN, in this case, represents the OVIN symbol referenced in Table 1.

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