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P8X32A-Q44 Datasheet Preview

P8X32A-Q44 Datasheet

8-Cog Multiprocessor Microcontroller

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PropellerP8X32A Datasheet
8-Cog Multiprocessor Microcontroller
1.0 PRODUCT OVERVIEW
1.1. Introduction
The Propeller chip is designed to provide high-speed processing for embedded systems while maintaining low current
consumption and a small physical footprint. In addition to being fast, the Propeller chip provides flexibility and power
through its eight processors, called cogs, that can perform simultaneous tasks independently or cooperatively, all while
maintaining a relatively simple architecture that is easy to learn and utilize. Two programming languages are available: Spin
(a high-level object-based language) and Propeller Assembly. Both include custom commands to easily manage the
Propeller chip’s unique features.
Figure 1: Propeller P8X32A Block Diagram
1.2. Stock Codes
Table 1: Propeller Chip Stock Codes
Device
Stock #
Package Type
I/O Power
Pins Requirements
External
Clock
Speed
Internal RC
Oscillator
Internal
Execution
Speed
P8X32A-D40
P8X32A-Q44
P8X32A-M44
40-pin DIP
44-pin LQFP
44-pin QFN
32
CMOS
3.3 volts DC
DC to 80
MHz
12 MHz or
20 kHz*
*Approximate; may range from 8 MHz – 20 MHz, or 13 kHz – 33 kHz, respectively.
0 to 160 MIPS
(20 MIPS/cog)
Global
ROM/RAM
64 K bytes;
32768 bytes
ROM / 32768
bytes RAM
Cog RAM
512 x 32 bits
per cog
Parallax, Propeller, Spin, and the Parallax and Propeller logos are trademarks of Parallax, Inc. All other trademarks are the property of their respective holders.
Copyright © Parallax Inc.
Page 1 of 37
Rev 1.2 4/24/2009




Parallax

P8X32A-Q44 Datasheet Preview

P8X32A-Q44 Datasheet

8-Cog Multiprocessor Microcontroller

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Propeller™ P8X32A Datasheet
Table of Contents
1.0 Product Overview......................................................... 1
1.1. Introduction ................................................................................1
1.2. Stock Codes...............................................................................1
1.3. Key Features..............................................................................3
1.4. Programming Advantages..........................................................3
1.5. Applications................................................................................3
1.6. Programming Platform Support..................................................3
1.7. Corporate and Community Support............................................3
2.0
2.1.
2.2.
2.3.
2.3.1.
2.3.2.
Connection Diagrams .................................................. 4
Pin Assignments ........................................................................4
Pin Descriptions .........................................................................4
Typical Connection Diagrams ....................................................5
Propeller Clip or Propeller Plug Connection - Recommended...............5
Alternative Serial Port Connection.........................................................5
3.0 Operating Procedures ................................................. 6
3.1. Boot-Up Procedure ....................................................................6
3.2. Run-Time Procedure..................................................................6
3.3. Shutdown Procedure..................................................................6
4.0
4.1.
4.2.
4.3.
4.4.
4.5.
4.6.
4.7.
4.8.
4.9.
4.9.1.
4.9.2.
4.9.3.
4.10.
4.10.1.
4.10.2.
4.10.3.
4.11.
System Organization ................................................... 6
Shared Resources .....................................................................6
System Clock .............................................................................6
Cogs (processors)......................................................................7
Hub ............................................................................................7
I/O Pins ......................................................................................8
System Counter .........................................................................8
Locks .........................................................................................8
Assembly Instruction Execution Stages .....................................9
Cog Counters...........................................................................10
CTRA / CTRB – Control register .........................................................10
FRQA / FRQB – Frequency register....................................................10
PHSA / PHSB – Phase register...........................................................10
Video Generator.......................................................................11
VCFG – Video Configuration Register.................................................11
VSCL – Video Scale Register..............................................................12
WAITVID Command/Instruction ..........................................................12
CLK Register............................................................................14
5.0
5.1.
5.1.1.
5.1.2.
5.1.3.
5.1.4.
Memory Organization ................................................ 15
Main Memory ...........................................................................15
Main RAM............................................................................................15
Main ROM ...........................................................................................15
Character Definitions...........................................................................15
Math Function Tables..........................................................................16
www.parallax.com
5.2. Cog RAM................................................................................. 16
6.0
6.1.
6.1.1.
6.2.
6.3.
6.3.1.
6.4.
6.4.1.
6.4.2.
6.4.3.
6.4.4.
Programming Languages ..........................................17
Reserved Word List ................................................................. 17
Words Reserved for Future Use ......................................................... 17
Math and Logic Operators ....................................................... 18
Spin Language Summary Table .............................................. 19
Constants ........................................................................................... 21
Propeller Assembly Instruction Table....................................... 22
Assembly Conditions .......................................................................... 24
Assembly Directives ........................................................................... 24
Assembly Effects ................................................................................ 24
Assembly Operators ........................................................................... 24
7.0 Propeller Demo Board Schematic.............................25
8.0 Electrical Characteristics...........................................26
8.1. Absolute Maximum Ratings ..................................................... 26
8.2. DC Characteristics................................................................... 26
8.3. AC Characteristics ................................................................... 26
9.0 Current Consumption Characteristics .....................27
9.1. Typical Current Consumption of 8 Cogs .................................. 27
9.2. Typical Current of a Cog vs. Operating Frequency .................. 28
9.3. Typical PLL Current vs. VCO Frequency ................................. 28
9.4. Typical Crystal Drive Current ................................................... 29
9.5. Cog and I/O Pin Relationship................................................... 29
9.6. Current Profile at Various Startup Conditions .......................... 30
10.0
10.1.
10.2.
10.3.
Temperature Characteristics.....................................31
Internal Oscillator Frequency as a Function of Temperature.... 31
Fastest Operating Frequency as a Function of Temperature ... 32
Current Consumption as a Function of Temperature ............... 33
11.0
11.1.
11.2.
11.3.
Package Dimensions..................................................34
P8X32A-D40 (40-pin DIP)........................................................ 34
P8X32A-Q44 (44-pin LQFP) .................................................... 35
P8X32A-M44 (44-pin QFN)...................................................... 36
12.0
12.1.
12.2.
Manufacturing Info .....................................................37
Reflow Peak Temperature ....................................................... 37
Green/RoHS Compliance ........................................................ 37
13.0 Revision History .........................................................37
13.1.1.
Changes for Version 1.1: .................................................................... 37
13.1.2.
Changes for Version 1.2: .................................................................... 37
Copyright © Parallax Inc.
Page 2 of 37
Rev 1.2 4/24/2009


Part Number P8X32A-Q44
Description 8-Cog Multiprocessor Microcontroller
Maker Parallax
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