IMX95CEC datasheet(90/113 Pages) NXP

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4.11.13 PCIe 3.0 PHY parameters

The PCIe interface is designed to be compatible with PCIe specification Gen3 x1 lane and supports the

PCI Express Base

Specification, Revision 3.1, November 2013, PCI-SIG.

4.11.13.1 PCI Express 8 GT/s differential transmitter output DC electrical characteristics

Table 99. PCI Express 8 GT/s differential transmitter output DC electrical characteristics

Symbol

Description

Min

Typ

Max

Unit

Condition

VVTX-FS-NO-EQ

Full swing transmitter voltage

with no TX Eq 1

800.0

—

1300.0

mVPP

—

VVTX-RS-NO-EQ

Reduced swing transmitter

voltage with no TX Eq 1

400.0

—

1300.0

mVPP

—

VTX- EIEOS-FS

Minimum swing during EIEOS

for full swing 2

250.0

—

mVPP

—

VTX- EIEOS-RS

Minimum swing during EIEOS

for reduced swing 2

232.0

—

mVPP

—

VTX- BOOST-FS

Maximum nominal Tx boost

ratio for full swing 3

8.0

—

VTX- BOOST-RS

Maximum nominal Tx boost

ratio for reduced swing

2.5

—

VTX-AC-CM-PP

Tx AC peakpeak common mode

voltage 4

—

150.0

mVPP

—

VTX-DC-CM

Transmitter DC common-mode

voltage 5

—

3.6

—

VTX-CM-DC-

ACTIVEIDLE-

DELTA

Absolute Delta of DC Common

Mode Voltage during L0 and

Electrical Idle 6

—

100.0

—

VTX-CM-DC-

LINEDELTA

Absolute Delta of DC Common

Mode Voltage between D+ and

D- 6

—

25.0

—

VTX-IDLE-DIFF-

AC-p

Electrical Idle Differential Peak

Output Voltage 7

—

20.0

—

VTX-IDLE-DIFF-

DC Electrical Idle Differential

Output Voltage 8

—

5.0

—

VTX-RCV-DETECT The amount of voltage

change allowed during Receiver

Detection 9

—

600.0

—

ZTX-DIFF- DC

DC differential transmitter

impedance 10

—

120.0

Ω

—

ITX-SHORT

Tx short circuit current 11

—

1. Voltage measurements for VTX-FS-NO-EQ and VTX-RS-NO-EQ are made using the 64-zeroes / 64-ones pattern in the

compliance pattern.

2. Voltage limits comprehend both full swing and reduced swing modes. The transmitter must reject any changes that

would violate this specification. The maximum level is covered in the V TX-FS-NO-EQ measurement which represents the

maximum peak voltage the transmitter can drive. The V TX-EIEOS-FS and V TX-EIEOS-RS voltage limits are imposed to

NXP Semiconductors

IMX95CEC

i.MX 95 Applications Processors Data Sheet for Commercial Products

IMX95CEC

All information provided in this document is subject to legal disclaimers.

Preliminary Data Sheet

Rev. 2 — 11 November 2024

Preliminary - Subject to Change Without Notice

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