Product specifications

VT8237R Data Sheet
Revision 2.06 December 15, 2004 -iv- Table Of Contents
FUNCTIONAL DESCRIPTIONS................................................................................................................................................ 164
POWER MANAGEMENT.............................................................................................................................................................. 164
Power Management Subsystem Overview .......................................................................................................................................... 164
Processor Bus States............................................................................................................................................................................ 165
System Suspend States and Power Plane Control................................................................................................................................ 165
General Purpose I/O Ports ................................................................................................................................................................... 166
Power Management Events ................................................................................................................................................................. 166
System and Processor Resume Events................................................................................................................................................. 167
Legacy Power Management Timers .................................................................................................................................................... 168
System Primary and Secondary Events ............................................................................................................................................... 168
Peripheral Events................................................................................................................................................................................. 168
ELECTRICAL SPECIFICATIONS ............................................................................................................................................ 169
ABSOLUTE MAXIMUM RATINGS ............................................................................................................................................... 169
DC CHARACTERISTICS.............................................................................................................................................................. 169
REGISTER BITS POWERED BY VBAT ....................................................................................................................................... 170
REGISTER BITS POWERED BY VSUS25 .................................................................................................................................... 170
POWER REQUIREMENTS............................................................................................................................................................ 171
PACKAGE MECHANICAL SPECIFICATIONS...................................................................................................................... 172