MPC8308CVMADDA datasheet(22/88 Pages) FREESCALE

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MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 1

Freescale Semiconductor

USB

8.4.2

IEEE 1588 Timer AC Specifications

Table 29 provides the IEEE 1588 timer AC specifications.

9USB

9.1

USB Dual-Role Controllers

This section provides the AC and DC electrical specifications for the USB-ULPI interface.

9.1.1

USB DC Electrical Characteristics

Table 30 lists the DC electrical characteristics for the USB interface.

Input low voltage

VIL

—

–0.3

0.8

Input current

IIN

0 V

≤ VIN ≤ NVDD

—

± 5

μA

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

Output clock to output valid

tGCLKNV

—

Timer alarm to output valid

tTMRAL

———

Notes:

1. The timer can operate on rtc_clock or tmr_clock. These clocks get muxed and any one of them can be selected.

2. Asynchronous signals.

3. Inputs need to be stable at least one TMR clock.

Table 30. USB DC Electrical Characteristics

Parameter

Symbol

Min

Max

Unit

High-level input voltage

VIH

LVDD + 0.3

Low-level input voltage

VIL

–0.3

0.8

Input current

IIN

—±5

μA

High-level output voltage, IOH = –100 μAVOH

LVDD – 0.2

—

Low-level output voltage, IOL = 100 μAVOL

—0.2

Note:

1. The symbol VIN, in this case, represents the NVIN symbol referenced in Table 1 and Table 2.

Table 28. GPIO DC Electrical Characteristics (continued)

Characteristic

Symbol

Condition

Min

Max

Unit

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