MPC8314EEC datasheet(39/101 Pages) FREESCALE

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MPC8314E PowerQUICC II Pro Processor Hardware Specifications, Rev. 2

Freescale Semiconductor

Local Bus

This table provides the USB clock input (USB_CLK_IN) AC timing specifications.

11 Local Bus

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

MPC8314E.

11.1 Local Bus DC Electrical Characteristics

This table provides the DC electrical characteristics for the local bus interface.

11.2 Local Bus AC Electrical Specifications

This table describes the general timing parameters of the local bus interface of the MPC8314E.

Table 41. USB_CLK_IN DC Electrical Characteristics

Parameter

Symbol

Min

Max

Unit

Input high voltage

VIH

2.7

NVDD +0.3

Input low voltage

VIL

–0.3

0.4

Table 42. USB_CLK_IN AC Timing Specifications

Parameter/Condition

Conditions

Symbol

Min

Typical

Max

Unit

Frequency range

—

fUSB_CLK_IN

—24

—

MHz

Clock frequency tolerance

—

tCLK_TOL

–0.005

0.005

Reference clock duty cycle

Measured at 1.6 V

tCLK_DUTY

Total input jitter/Time interval

error

Peak to peak value measured with a second

order high-pass filter of 500 KHz bandwidth

tCLK_PJ

——

200

Table 43. DC Electrical Characteristics (when Operating at 3.3 V)

Parameter

Symbol

Min

Max

Unit

Output high voltage (NVDD = min, IOH = –2 mA)

VOH

NVDD – 0.2

—

Output low voltage (NVDD = min, IOL = 2 mA)

VOL

—0.2

Input high voltage

VIH

2NVDD + 0.3

Input low voltage

VIL

–0.3

0.8

Input high current (VIN = 0 V or VIN = NVDD)

IIN

—±5

A

Table 44. Local Bus General Timing Parameters

Parameter

Symbol 1

Min

Max

Unit

Note

Local bus cycle time

tLBK

—

Input setup to local bus clock

tLBIVKH

—

3, 4

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