Cypress CY7C656xx Benutzerhandbuch
CY7C656xx
PRELIMINARY
Document #: 38-08037 Rev. *D
Page 23 of 23
Document History Page
Document Title: CY7C656xx EZ-USB HX2LP™ Low-Power USB 2.0 Hub Controller Family
Document Number: 38-08037
Document Number: 38-08037
REV.
ECN NO.
Issue Date
Orig. of
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
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
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 V
Added 0xD4 EEPROM Load
Added vendor command values
Added V
CC
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-
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-
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.
on PWR#, OVR# and LED control lines.
Updated Default descriptors
Updated EEPROM list to include 25LC080
Removed NoEOPatEOF1 bit.
Added LED polarity control
Updated EEPROM list to include 25LC080
Removed NoEOPatEOF1 bit.
Added LED polarity control