PRELIMINARY

CY7C656xx

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Document History Page

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Document Title: CY7C656xx EZ-USB HX2LP™ Low-Power USB 2.0 Hub Controller Family

 

 

 

 

Document Number: 38-08037

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Orig. of

 

 

 

 

 

REV.

ECN NO.

Issue Date

Change

Description of Change

 

 

 

 

 

 

 

 

 

 

 

 

 

**

131505

02/12/2004

JTC

New Data Sheet

 

 

 

 

 

 

 

 

 

 

 

*A

231329

See ECN

KKU

Changed load capacitors to 12 pF, updated part numbers, added functional

 

 

 

 

 

 

 

 

overviews, block descriptions, pin configurations, default descriptors, config-

 

 

 

 

 

 

 

 

urations options, supported USB requests, electrical characteristics and

 

 

 

 

 

 

 

 

package diagram

 

 

 

 

 

 

 

 

 

 

 

*B

250869

See ECN

ARI

Added typical values for Icc in Table 15.3, changed MPN CY7C65650 to

 

 

 

 

 

 

 

 

CY7C65640B, added CY7C65620 package

 

 

 

 

 

 

 

 

 

 

 

 

 

*C

330195

See ECN

KKU

Added Reset period in table 15.5.1

 

 

 

 

 

 

 

 

 

 

Added 0xD4 EEPROM Load

 

 

 

 

 

 

 

 

 

 

Added vendor command values

 

 

 

 

 

 

 

 

 

 

Added VCC ramp rate

 

 

 

 

 

 

 

 

 

 

Updated block diagram

 

 

 

 

 

 

 

 

 

 

 

 

 

*D

342997

See ECN

KKU

Updated features list.

 

 

 

 

 

 

 

 

 

 

Removed from section 5.2 “Once the hub is configured, the full hub function

-

 

 

 

 

 

 

 

ality is available.”

 

 

 

 

 

 

 

 

 

 

Added reference to 0xD4 load to section 5.4

 

 

 

 

 

 

 

 

 

 

Added reference to polarity control in sections 5.6 and 5.7

 

 

 

 

 

 

 

 

Updated table 5-1 to match USB-IF spec changes.

 

 

 

 

 

 

 

 

 

 

Added LED modulation to section 5.8

 

 

 

 

 

 

 

 

 

 

Updated pin description table - SELFPWR# to SELFPWR and removed refer-

 

 

 

 

 

 

 

 

ences to limitations of bus powered. Added reference to polarity control

 

 

 

 

 

 

 

 

on PWR#, OVR# and LED control lines.

 

 

 

 

 

 

 

 

 

 

Updated Default descriptors

 

 

 

 

 

 

 

 

 

 

Updated EEPROM list to include 25LC080

 

 

 

 

 

 

 

 

 

 

Removed NoEOPatEOF1 bit.

 

 

 

 

 

 

 

 

 

 

Added LED polarity control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Document #: 38-08037 Rev. *D

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Cypress CY7C656xx, EZ-USB HX2LP manual Document History, Issue Date Change Description of Change, Jtc, Kku, Ari