PXA255 Processor — Electrical, Mechanical, and Thermal Specification
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Data Sheet
Figures
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Processor Block Diagram......................................................................................8
PXA255 processor ..............................................................................................19
Power-On Reset Timing......................................................................................31
Hardware Reset Timing ......................................................................................32
GPIO Reset Timing.............................................................................................33
Sleep Mode Timing .............................................................................................34
LCD AC Timing Definitions .................................................................................37
SSP AC Timing Definitions .................................................................................38
AC Test Load ......................................................................................................39
Tables
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Related Documentation.........................................................................................7
Processor Pin Types.............................................................................................9
Pin and Signal Descriptions for the PXA255 Processor........................................9
Pin Description Notes..........................................................................................18
PXA255 processor 256-Lead 17x17mm mBGA Pinout — Ballpad No. Order....20
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JA
and Maximum Power Ratings........................................................................22
Absolute Maximum Ratings ................................................................................23
Power Consumption Specifications for PXA255 processor ................................24
Voltage, Temperature, and Frequency Electrical Specifications.........................25
Standard Input, Output, and I/O Pin DC Operating Conditions...........................26
Standard Input, Output, I/O Pin DC Operating Conditions for 2.5-V Memory.....27
Standard Input, Output, and I/O Pin AC Operating Conditions...........................28
32.768-kHz Oscillator Specifications...................................................................28
3.6864-MHz Oscillator Specifications .................................................................29
Power-On Timing Specifications.........................................................................31
Hardware Reset Timing Specifications ...............................................................32
GPIO Reset Timing Specifications......................................................................33
Sleep Mode Timing Specifications......................................................................34
SRAM / ROM / Flash / Synchronous Fast Flash AC Specifications....................35
Variable Latency I/O Interface AC Specifications ...............................................35
Card Interface (PCMCIA or Compact Flash) AC Specifications .........................36
Synchronous Memory Interface AC Specifications 1..........................................36
LCD AC Timing Specifications............................................................................37
SSP AC Timing Specifications............................................................................38
Boundary Scan Test Signal Timing.....................................................................38