MPC8313VRGDDB datasheet(47/100 Pages) FREESCALE

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MPC8313E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 2.1

Freescale Semiconductor

Enhanced Local Bus

Table 43 provides the USB clock input (USB_CLK_IN) DC timing specifications.

Table 44 provides the USB clock input (USB_CLK_IN) AC timing specifications.

11 Enhanced Local Bus

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

11.1 Local Bus DC Electrical Characteristics

Table 45 provides the DC electrical characteristics for the local bus interface.

Table 43. 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 44. USB_CLK_IN AC Timing Specifications

Parameter/Condition

Conditions

Symbol

Min

Typ

Max

Unit

Frequency range

—

fUSB_CLK_IN

—24

MHz

Clock frequency tolerance

—

tCLK_TOL

–0.05

0.05

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 45. Local Bus DC Electrical Characteristics at 3.3 V

Parameter

Symbol

Min

Max

Unit

High-level input voltage for Rev 1.0

VIH

2.0

LVDD + 0.3

High-level input voltage for Rev 2.x or later

VIH

2.1

LVDD + 0.3

Low-level input voltage

VIL

–0.3

0.8

Input current, (VIN

1 = 0 V or V

IN = LVDD)IIN

—

±5

μA

High-level output voltage, (LVDD = min, IOH = –2 mA)

VOH

LVDD – 0.2

—

Low-level output voltage, (LVDD = min, IOH = 2 mA)

VOL

—0.2

Note: The parameters stated in above table are valid for all revisions unless explicitly mentioned.

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