User's Manual

© SENSITECH INC. CONFIDENTIAL – CONTROLLED DOCUMENT
Page 5 of 83
A Carrier Corp. Company
PART NUMBER T82002163
REV A
Document Version Information ........................................................................................ 9
Organization of this Document ......................................................................................... 9
Executive Summary ........................................................................................................... 9
Device General Description............................................................................................... 9
Functional Description .............................................................................................................. 9
User Interface........................................................................................................................... 10
FRS in brief .............................................................................................................................. 12
Device Hardware Structure ............................................................................................. 13
General Hardware Information ............................................................................................. 13
Electrical Specification............................................................................................................ 13
Mode of Operation................................................................................................................... 13
Power Save Mode “Suspend State”........................................................................................ 15
Power Supply ........................................................................................................................... 15
Qty............................................................................................................................................17
Vendor .....................................................................................................................................17
SEIKO .................................................................................................................................17
SANYO ...............................................................................................................................17
PCB......................................................................................................................................17
Li-ION Charging...................................................................................................................... 21
LogicPD Card Engine.............................................................................................................. 23
Memory Controller Reset and Initialization......................................................................... 23
Memory Controller.................................................................................................................. 23
Memory Controller Operation ............................................................................................... 24
Stacked SDRAM and Flash Memory..................................................................................... 24
Stacked SDRAM...................................................................................................................... 24
Stacked Flash Memory............................................................................................................ 24
Synchronous Dynamic Memory (SDRAM) Interface........................................................... 26
Maximum Row Active Time (TRAS)..................................................................................... 26
Programmable Larger SDRAM Memory Space................................................................... 26
SDRAM State Machine ........................................................................................................... 27
Synchronous, Static, and Variable-Latency I/O (VLIO)...................................................... 29
Interfaces .................................................................................................................................. 29
Asynchronous Static Operation.............................................................................................. 29