MPC8308CVMADDA datasheet(22/95 Pages) NXP

22 / 95 page

MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 4

Freescale Semiconductor

Ethernet: Three-Speed Ethernet, MII management

This figure shows the MII management AC timing diagram.

Figure 12. MII Management Interface Timing Diagram

8.4

IEEE Std 1588™ Timer Specifications

This section describes the DC and AC electrical specifications for the 1588 timer.

8.4.1

IEEE 1588 Timer DC Specifications

This table provides the IEEE 1588 timer DC specifications.

8.4.2

IEEE 1588 Timer AC specifications

This table provides the IEEE 1588 timer AC specifications.

Table 28. GPIO DC Electrical Characteristics

Characteristic

Symbol

Condition

Min

Max

Unit

Output high voltage

VOH

IOH = –8.0 mA

2.4

—

Output low voltage

VOL

IOL = 8.0 mA

—

0.5

Output low voltage

VOL

IOL = 3.2 mA

—

0.4

Input high voltage

VIH

—

2.0

NVDD + 0.3

Input low voltage

VIL

—–0.3

0.8

Input current

IIN

0 V

V

IN NVDD

—

± 5

A

Table 29. IEEE 1588 Timer AC Specifications

Parameter

Symbol

Min

Max

Unit

Notes

Timer clock cycle time

tTMRCK

070

MHz

Input setup to timer clock

tTMRCKS

——

—

2, 3

Input hold from timer clock

tTMRCKH

——

—

2, 3

MDC

tMDDXKH

tMDC

tMDCH

tMDCR

tMDCF

tMDDVKH

tMDKHDX

MDIO

(Input)

(Output)

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