USB5532B datasheet(38/40 Pages) MICROCHIP

38 / 40 page

2-Port SS/HS USB Hub Controller

Datasheet

Revision 1.2 (05-31-13)

SMSC USB5532B

DATASHEET

Rev. 1.1

(03-05-13)

Ordering Codes

Updated ordering codes to for A2 material

Ordering Codes

Corrected tape and reel quantity from 3000 to

2500.

Section 3.2: Pin Descriptions

(Grouped by Function) on

page 11

Added Note 3.1 and Note 3.3 explaining the

configuration strap functions on the PRT_PWRx

and OCSx pins.

Section 5.1.2: Operation of

the Dual Hi-Speed Read

Sequence on page 18

Updated first sentence to state that dual data

mode is supported only at an SPI speed of 30

MHz

Chapter 5: Interfacing to the

USB5532B on page 17

Clarified interface ordering explanation.

Section 5.2: SMBus Slave

Interface on page 24

Removed “either an external I2C (if present) and”

from last sentence of section.

Section 5.2: SMBus Slave

Interface on page 24

Added additional sentence: “For operation in

SMBus Legacy Mode, an additional pull-up

resistor is required on TRST.”

Section 5.2.2: Protocol

Implementation on page 24,

Figure 5.12: Block Write on

page 25, Figure 5.13: Block

Read on page 25

Updated “register address” references to “SMBus

RAM buffer offset”.

SPI_DO pin description &

Note 3.2

Added note to describe the SPI_SPD_SEL

configuration strap function on the SPI_DO.

All

Removed references to GPIOs and LEDs

Rev. 1.0

(09-06-12)

All

Initial revision.

Table 9.1 Customer Revision History

REVISION LEVEL & DATE

SECTION/FIGURE/ENTRY

CORRECTION

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