USB5537B datasheet(73/79 Pages) MICROCHIP

73 / 79 page

 2012 - 2015 Microchip Technology Inc.

DS00001682C-page 73

USB5537B

Rev. 1.2

(05-31-13)

All

Removed industrial temp. SKU information from

document.

Section 6.1, "Maximum

Ratings," on page 63

Added maximum power consumption row/data to

table.

Section 6.2, "Operating

Conditions," on page 63

Added maximum die temperature row/data to table.

Section 6.3, "Power

Consumption," on page 64

Updated power consumption numbers

Note 3-1 on page 11 and

Note 3-3 on page 11

Updated note to reflect configuration straps are

enabled by default.

Pin Information on page 7

Updated TRST pin description with the following

note: “If using the SMBus interface, a pull-up on this

signal will enable Legacy Mode, while leaving it

unconnected or pulled-down will enable Advanced

Mode.”

Package Drawing on page 70 Updated recommended land pattern drawings and

information.

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 8

Added Note 3-1 and Note 3-3 explaining the

configuration strap functions on the PRT_PWRx

and OCSx pins.

Section 6.3, "Power

Consumption," on page 64

Added power consumption section and values

Section 4.1.2, "Operation of

the Dual Hi-Speed Read

Sequence," on page 14

Updated first sentence to state that dual data mode

is supported only at an SPI speed of 30 MHz

Standard Interface

Connections on page 13

Clarified interface ordering explanation.

Section 4.2, "SMBus Slave

Interface," on page 18

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

from last sentence of section.

Section 4.2, "SMBus Slave

Interface," on page 18

Added additional sentence: “For operation in

SMBus Legacy Mode, an additional pull-up resistor

is required on TRST.”

Section 5.5, "SMBus Slave

Interface," on page 29,

FIGURE 5-6: SMBus

Commands on page 30,

FIGURE 5-5: Block Read on

page 30

Updated “register address” references to “SMBus

RAM buffer offset”.

SPI_DO pin description &

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 A-1:

DATA SHEET REVISION HISTORY (CONTINUED)

Revision Level & Date

Section/Figure/Entry

Correction

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