USB2512B-AEZG-TR Datasheet, PDF (63/63 Pages) Microchip Technology – USB 2.0 Hi-Speed Hub Controller

USB 2.0 Hi-Speed Hub Controller
Datasheet
Datasheet Revision History
Customer Revision History
REVISION LEVEL & DATE SECTION/FIGURE/ENTRY
CORRECTION
Rev. 2.2 (02-17-12)
Rev. 2.1 (02/24/11)
Rev. 2.1 (02/24/11)
Rev. 2.1 (02/22/11)
Rev. 2.0 (10/01/10)
Cover
Updated clock bullet to remove reference to
48MHz clock support.
Section 1.1: Configurable
Features on page 8
Updated bulleted lists. USB signal drive strength,
USB differential pair pin location and downstream
port power control / over-current detection items
moved from first (strap-configurable) bulleted list
to the second (EEPROM-configurable) bulleted
list. Added enabling of battery charging to the first
bulleted list.
Section 3.1: Pin
Configurations on page 11
Clarified introductory sentence.
Table 3.3: USB251xB/xBi Pin
Descriptions on page 19
Updated VBUS_DET buffer type to “I” and
changed description to: “For self-powered
applications with a permanently attached host,
this pin must be connected to a dedicated host
control output, or connected to the 3.3 V domain
that powers the host (typically VDD33).”
Table 3.3: USB251xB/xBi Pin Updated CRFILT and PLLFILT pin descriptions.
Descriptions on page 19
Section 7.1: Oscillator/Crystal
on page 56
Removed redundant sentence: “External Clock:
50% duty cycle ± 10%, 24/48 MHz ± 350 ppm,
jitter < 100 ps rms”. This information is provided in
Section 7.2: External Clock on page 57.
Chapter 7: AC Specifications Removed ceramic resonator information.
Section 7.2: External Clock
Replaced “1.8 V CMOS Logic” with “1.2 V CMOS
Logic”. Updated XTALOUT description.
Section 3.3: Pin Descriptions Updated CRFILT and PLLFILT pin descriptions.
(Grouped by Function)
Cover, Package, All
Removed the 49-BGA option.
Order Code Page
Changed ordering codes for non-industrial
USB2513B and USB2514B. Last character was
changed from “G” to “C”.
Front page
Removed support for ceramic resonator.
Section 6.1 and 6.2, DC
Parameters
The 1.2V supply information was added and the
graph that includes both 3.3 and 1.2 V rise time
was added for 49-BGA.
All
Added the 49-BGA option.
Section 6.2.1, Package
Thermal Specifications
Added Max Power Supported = (TJ, max.spec. - Tamb)/ ΘJA
All
General refresh, corrected grammatical errors
and unified tone.
SMSC USB251xB/xBi
63
DATASHEET
Revision 2.2 (02-17-12)