MPC8358ECVRADDDA datasheet(62/102 Pages) FREESCALE

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MPC8360E/MPC8358E PowerQUICC II Pro Processor Revision 2.x TBGA Silicon Hardware Specifications, Rev. 5

Freescale Semiconductor

USB DC Electrical Characteristics

USB

This section provides the AC and DC electrical specifications for the USB interface of the MPC8360E/58E.

19.1

USB DC Electrical Characteristics

This table provides the DC electrical characteristics for the USB interface.

19.2

USB AC Electrical Specifications

This table describes the general timing parameters of the USB interface of the device.

This figure provide the AC test load for the USB.

Figure 52. USB AC Test Load

Table 64. USB DC Electrical Characteristics

Parameter

Symbol

Min

Max

Unit

High-level input voltage

VIH

2OVDD + 0.3

Low-level input voltage

VIL

–0.3

0.8

High-level output voltage, IOH = –100 μAVOH

OVDD – 0.4

—

Low-level output voltage, IOL = 100 μAVOL

—0.2

Input current

IIN

—±10

μA

Table 65. USB General Timing Parameters

Parameter

Symbol1

Min

Max

Unit

Notes

Note

USB clock cycle time

tUSCK

20.83

—

Full speed 48 MHz

—

USB clock cycle time

tUSCK

166.67

—

Low speed 6 MHz

—

Skew between TXP and TXN

tUSTSPN

—5

—

Skew among RXP, RXN, and RXD

tUSRSPND

—

Full speed transitions

Skew among RXP, RXN, and RXD

tUSRPND

—

100

Low speed transitions

Notes:

1. The symbols used for timing specifications follow the pattern of t(first two letters of functional block)(state)(signal) for

receive signals and t(first two letters of functional block)(state)(signal) for transmit signals. For example, tUSRSPND

symbolizes USB timing (US) for the USB receive signals skew (RS) among RXP, RXN, and RXD (PND). Also,

tUSTSPN symbolizes USB timing (US) for the USB transmit signals skew (TS) between TXP and TXN (PN).

2. Skew measurements are done at OVDD/2 of the rising or falling edge of the signals.

Output

Z0 = 50 Ω

OVDD/2

RL = 50 Ω

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