MPC8360E datasheet(17/108 Pages) FREESCALE

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MPC8360E/MPC8358E PowerQUICC II Pro Processor Revision 2.x TBGA Silicon Hardware Specifications, Rev. 4

Freescale Semiconductor

RESET Initialization

4.3

Gigabit Reference Clock Input Timing

Table 9 provides the Gigabit reference clocks (GTX_CLK125) AC timing specifications.

RESET Initialization

This section describes the DC and AC electrical specifications for the reset initialization timing and

electrical requirements of the MPC8360E/58E.

5.1

RESET DC Electrical Characteristics

Table 10 provides the DC electrical characteristics for the RESET pins of the device.

Table 9. GTX_CLK125 AC Timing Specifications

At recommended operating conditions with LVDD = 2.5 ± 0.125 mV/ 3.3 V ± 165 mV

Parameter/Condition

Symbol

Min

Typical

Max

Unit

Notes

GTX_CLK125 frequency

tG125

—

125

—

MHz

—

GTX_CLK125 cycle time

tG125

—8

—

GTX_CLK rise and fall time

LVDD = 2.5 V

LVDD = 3.3 V

tG125R/tG125F

——

0.75

1.0

GTX_CLK125 duty cycle

GMII & TBI

1000Base-T for RGMII & RTBI

tG125H/tG125

—

GTX_CLK125 jitter

—

±150

Notes:

1. Rise and fall times for GTX_CLK125 are measured from 0.5 and 2.0 V for LVDD = 2.5 V and from 0.6 and 2.7 V for

LVDD =3.3 V.

2. GTX_CLK125 is used to generate the GTX clock for the UCC Ethernet transmitter with 2% degradation. The GTX_CLK125

duty cycle can be loosened from 47%/53% as long as the PHY device can tolerate the duty cycle generated by GTX_CLK.

See Section 8.2.2, “MII AC Timing Specifications,” Section 8.2.3, “RMII AC Timing Specifications,” and Section 8.2.5, “RGMII

and RTBI AC Timing Specifications” for the duty cycle for 10Base-T and 100Base-T reference clock.

Table 10. RESET Pins DC Electrical Characteristics

Characteristic

Symbol

Condition

Min

Max

Unit

Input high voltage

VIH

—2.0

OVDD + 0.3

Input low voltage

VIL

—

–0.3

0.8

Input current

IIN

——

±10

μA

Output high voltage

VOH

IOH = –8.0 mA

2.4

—

Output low voltage

VOL

IOL = 8.0 mA

—

0.5

MPC8360E Datasheet(PDF) 17 Page - Freescale Semiconductor, Inc

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