USB7056 datasheet(51/55 Pages) MICROCHIP

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 2022 Microchip Technology Inc. and its subsidiaries

DS00002675F-page 51

USB7056

Figure 2-1

Updated internal PHY numbering to match

physical port numbering detailed in new

Section 3.4, Physical and Logical Port Map-

ping.

Figure 4-3, SMBus/I2C Connections

Updated suggested nominal external resistor

values. Added note under figure: “Resistor

values detailed in Figure 4-3 are suggestions.

Optimal pull-up values may vary dependent

on external factors.”

Section 5.1.5, SMBus Check Stage

(SMBUS_CHECK)

Updated second sentence: “If pull-ups are

detected on both pins...”

Section 8.0, Functional Descriptions

Added note after bulleted list: “FlexConnect,

Mini-host and MHB are not available in the

USB7056. The firmware behavior for any of

these commands is undefined.”

Section 8.1, Downstream Battery

Charging

Added note to end of section: “This feature

requires an external firmware to work on all

the downstream ports. The default ROM will

support battery charging only on native Type-

C/legacy ports.”

Section 8.3, Power Delivery

Corrected typo in first note (“UPD250”

changed to “UPD350”)

DS00002675B (09-07-18)

All

Initial Release

TABLE A-1:

REVISION HISTORY (CONTINUED)

Revision Level & Date

Section/Figure/Entry

Correction

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