MPC8378E datasheet(75/127 Pages) FREESCALE

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MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 4

Freescale Semiconductor

Timers

15.5.1

Compliance Test and Measurement Load

The AC timing and voltage parameters must be verified at the measurement point, as specified within

0.2 inches of the package pins, into a test/measurement load shown in Figure 48.

NOTE

The allowance of the measurement point to be within 0.2 inches of the

package pins is meant to acknowledge that package/board routing may

benefit from D+ and D– not being exactly matched in length at the package

pin boundary. If the vendor does not explicitly state where the measurement

point is located, the measurement point is assumed to be the D+ and D–

package pins.

Figure 48. Compliance Test/Measurement Load

16 Timers

This section describes the DC and AC electrical specifications for the timers of the MPC8378E.

16.1

Timers DC Electrical Characteristics

Table 59 provides the DC electrical characteristics for the device timers pins, including TIN, TOUT,

TGATE, and RTC_CLK.

Table 59. Timers DC Electrical Characteristics

Parameter

Condition

Symbol

Min

Max

Unit

Output high voltage

IOH = –6.0 mA

VOH

2.4

—

Output low voltage

IOL = 6.0 mA

VOL

—0.5

Output low voltage

IOL = 3.2 mA

VOL

—0.4

Input high voltage

—

VIH

2.0

OVDD + 0.3

Input low voltage

—

VIL

–0.3

0.8

Input current

0 V

≤ V

IN ≤ OVDD

IIN

—

± 30

μA

TX Silicon +

Package

R = 50

C = CTX

D+ Package Pin

D– Package Pin

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