USB5744 datasheet(46/51 Pages) MICROCHIP

46 / 51 page

USB5744

DS00001855L-page 46

 2022 Microchip Technology Inc. and its subsidiaries

Section 10.6.1, Power Supply and

RESET_N Sequence Timing

Added Power Supply and RESET_N

Sequence Timing section.

Section 10.6.5, I2C Timing

“100kHz Standard Mode (Sm)” updated to

“400kHz Fast Mode (Fm)”, since the device

supports up to 400kHz I2C operation.

DS00001855C (06-22-15)

All

Updated “USB 3.0” references to “USB 3.1

Gen 1” throughout the document

Updated USB specification references

Misc. typos

DS00001855B (04-16-15)

Features

Changed Environmental feature bullet from

“4kV HBM JESD22-A114F ESD protection”

“3kV HBM JESD22-A114F ESD protection”

Section 10.2, Operating Conditions**

Changed XTALI/CLK_IN Voltage to -0.3V to

+3.6V

Table 10-10, "Crystal Specifications"

Total Allowable PPM budget changed to

100pm, removed notes under table regarding

“Frequency Tolerance” and “Frequency and

Transmitter Clock Frequency”

Section 10.7.2, External Reference

Clock (CLK_IN)

Changed +-350ppm t +-100 ppm

Figure 3-1, "56-VQFN Pin

Assignments"Table 3-1, "56-VQFN

Pin Assignments"

Modified pin 32 from “PRT_CTL4/

GANG_PWR” to “PRT_CTL4/GANG_PWR”

Table 3-5, "USB Port Control Pin

Descriptions"

Revised description of Pin 1, GANG_PWR

Table 1-1, "General Terms" and

throughout document

Replaced the term Hub Controller with Hub

Feature Controller, added definition in Table 1-

1, "General Terms".

Section 6.1.2, SMBus Accessible

Functions

Added web link to AN1903

Removed PortMap feature throughout docu-

ment.

Table 3-7, "Miscellaneous Pin

Descriptions"

Modified RESET_N pin description

Section 8.3, Link Power Management

(LPM)

Removed “per the USB 3.0 Specification” from

the first sentence. Removed last sentence

“For additional information, refer to the USB

3.0 Specification.”

Table 10-2, "MAXIMUM Power Dissi-

pation"

Added Table 10-2.

Section 10.7, "Clock

Specifications",Figure 10-6, Table 10-

10, "Crystal Specifications"

Updated these sections.

Section 10.7.2, External Reference

Clock (CLK_IN)

Oscillator changed from “35MHz” to “25 MHz”

Section 10.6.7, SPI Timing

Removed SPI interface configure note

TABLE A-1:

REVISION HISTORY (CONTINUED)

Revision Level & Date

Section/Figure/Entry

Correction

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