MPC8378E datasheet(40/127 Pages) FREESCALE

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MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 4

Freescale Semiconductor

Local Bus

Figure 21 and Figure 22 provide the AC test load and signals for the USB, respectively.

Figure 21. USB AC Test Load

Figure 22. USB Interface Timing Diagram

10 Local Bus

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

MPC8378E.

10.1

Local Bus DC Electrical Characteristics

Table 41, Table 42, and Table 43 provide the DC electrical characteristics for the local bus interface.

Table 41. Local Bus DC Electrical Characteristics (LBVDD =3.3 V)

At recommended operating conditions with LBVDD = 3.3 V.

Parameter

Conditions

Symbol

Min

Max

Unit

Supply voltage 3.3 V

—

LBVDD

3.135

3.465

Output high voltage

IOH = –4.0 mA

LBVDD = Min

VOH

2.40

—

Output low voltage

IOL = 4.0 mA

LBVDD = Min

VOL

—0.50

Input high voltage

—

VIH

2.0

LBVDD + 0.3

Input low voltage

—

VIL

–0.3

0.90

Input high current

VIN

1 = LBV

IIH

—30

μA

Input low current

VIN

1 = GND

IIL

–30

—

μA

Output

Z0 = 50 Ω

OVDD/2

RL = 50 Ω

Output Signals

tUSKHOV

USBDR_CLK

Input Signals

tUSIXKH

tUSIVKH

tUSKHOX

MPC8378E Datasheet(PDF) 40 Page - Freescale Semiconductor, Inc

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