p8x32a Parallax, Inc., p8x32a Datasheet - Page 2

• Manufacturer Part Number: p8x32a
• Description: 8-cog Multiprocessor Microcontroller
• Manufacturer: Parallax, Inc.

Propeller™ P8X32A Datasheet
Table of Contents
1.0
1.1.
1.2.
1.3.
1.4.
1.5.
1.6.
1.7.
2.0
2.1.
2.2.
2.3.
3.0
3.1.
3.2.
3.3.
4.0
4.1.
4.2.
4.3.
4.4.
4.5.
4.6.
4.7.
4.8.
4.9.
4.10.
5.0
5.1.
Copyright © Parallax Inc.
2.3.1.
2.3.2.
4.8.1.
4.8.2.
4.8.3.
4.9.1.
4.9.2.
4.9.3.
5.1.1.
5.1.2.
5.1.3.
Product Overview......................................................... 1
Introduction ................................................................................1
Stock Codes...............................................................................1
Key Features..............................................................................3
Programming Advantages..........................................................3
Applications................................................................................3
Programming Platform Support..................................................3
Corporate and Community Support............................................3
Connection Diagrams .................................................. 4
Pin Assignments ........................................................................4
Pin Descriptions .........................................................................4
Typical Connection Diagrams ....................................................5
Operating Procedures ................................................. 6
Boot-Up Procedure ....................................................................6
Run-Time Procedure..................................................................6
Shutdown Procedure..................................................................6
System Organization ................................................... 6
Shared Resources .....................................................................6
System Clock .............................................................................6
Cogs (processors)......................................................................7
Hub ............................................................................................7
I/O Pins ......................................................................................8
System Counter .........................................................................8
Locks .........................................................................................8
Cog Counters.............................................................................9
Video Generator.......................................................................10
CLK Register............................................................................13
Memory Organization ................................................ 14
Main Memory ...........................................................................14
Propeller Clip or Propeller Plug Connection - Recommended...............5
Alternative Serial Port Connection.........................................................5
CTRA / CTRB – Control register ...........................................................9
FRQA / FRQB – Frequency register......................................................9
PHSA / PHSB – Phase register.............................................................9
VCFG – Video Configuration Register.................................................10
VSCL – Video Scale Register..............................................................11
WAITVID Command/Instruction ..........................................................11
Main RAM............................................................................................14
Main ROM ...........................................................................................14
Character Definitions...........................................................................14
Page 2 of 36
5.2.
6.0
6.1.
6.2.
6.3.
6.4.
7.0
8.0
8.1.
8.2.
8.3.
9.0
9.1.
9.2.
9.3.
9.4.
9.5.
9.6.
10.0
10.1.
10.2.
10.3.
11.0
11.1.
11.2.
11.3.
12.0
12.1.
12.2.
5.1.4.
6.1.1.
6.3.1.
6.4.1.
6.4.2.
6.4.3.
6.4.4.
Cog RAM................................................................................. 15
Programming Languages ..........................................16
Reserved Word List ................................................................. 16
Math and Logic Operators ....................................................... 17
Spin Language Summary Table .............................................. 18
Propeller Assembly Instruction Table....................................... 21
Propeller Demo Board Schematic.............................24
Electrical Characteristics...........................................25
Absolute Maximum Ratings ..................................................... 25
DC Characteristics................................................................... 25
AC Characteristics ................................................................... 25
Current Consumption Characteristics .....................26
Typical Current Consumption of 8 Cogs .................................. 26
Typical Current of a Cog vs. Operating Frequency .................. 27
Typical PLL Current vs. VCO Frequency ................................. 27
Typical Crystal Drive Current ................................................... 28
Cog and I/O Pin Relationship................................................... 28
Current Profile at Various Startup Conditions .......................... 29
Temperature Characteristics.....................................30
Internal Oscillator Frequency as a Function of Temperature.... 30
Fastest Operating Frequency as a Function of Temperature ... 31
Current Consumption as a Function of Temperature ............... 32
Package Dimensions..................................................33
P8X32A-D40 (40-pin DIP)........................................................ 33
P8X32A-Q44 (44-pin LQFP) .................................................... 34
P8X32A-M44 (44-pin QFN)...................................................... 35
Manufacturing Information ........................................36
Reflow Peak Temperature ....................................................... 36
Green/RoHS Compliance ........................................................ 36
Math Function Tables ......................................................................... 15
Words Reserved for Future Use ......................................................... 16
Constants ........................................................................................... 20
Assembly Conditions .......................................................................... 23
Assembly Directives ........................................................................... 23
Assembly Effects ................................................................................ 23
Assembly Operators ........................................................................... 23
Rev 1.0 11/14/2007
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