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Product Details

Parallax P8X32A-Q44-U Unmarked Propeller Chip - 44-Pin QFP Chip - Date & Lot Code Marked Only
SKU: P8X32A-Q44-U
Our Price: $7.19
Vol. Pricing:
Quantity: 100+500+1000+10000+
Price: $6.47$5.75$4.67$4.02
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Overview

Parallax P8X32A-Q44-U Unmarked Propeller Chip - 44-Pin QFP Chip - Date & Lot Code Marked Only

 There is no logo on this chip, only date and lot code.

Introducing Parallax's own all-custom silicon, designed at the transistor level by schematic! The Propeller module is a multi-processing chip, with shared memory and a built-in interpreter for programming in a high-level object-oriented language, called Spin™, and low-level (assembly) language. With the set of pre-built Parallax "objects" for video, mice, keyboards, NTSC/VGA displays, LCDs, stepper motors and sensors your application is a matter of high-level integration with Propeller chips. The Propeller chips are designed for high-speed embedded processing, while maintaining low power, low current consumption and a small physical footprint.

The P8X32A-Q44-U is most useful in production environments where chip obfuscation is desired. The only marking is simply a four digit date code on the top-side of the chip used for internal tracking. For more information, contact a Parallax Semiconductor FAE at 916-632-4664.

Long-term supply notification from company owner: The Propeller chip is a full-custom, Parallax design in entirety, unencumbered from any third-party intellectual property obligations. Parallax endeavors to supply Propellers as long as we have demand (i.e., foreseeable future, a minimum 20 to 25 years). As an example of our commitment, Parallax still manufactures the BASIC Stamp I and it was designed nearly 20 years ago. For these reasons, customers should have no concern about the long-term supply of Propeller chips. If you have any concern about long-term supply please feel free to contact us for personal communication.

Features:

  • Model Number: P8X32A-Q44-U
  • Processors (cogs): Eight
  • Architecture: 32-bits
  • System Clock Speed: DC to 80 MHz
  • Global RAM/ROM: 64 K bytes; 32 K RAM / 32 K ROM
  • Cog RAM: 512 x 32 bits each
  • I/O Pins: 32 (simultaneously addressable by all eight cogs)
  • Current Source/Sink per I/O: 40 mA
  • Clock Modes: (a) External crystal 4 -8 MHz (16 x PLL) (b) Internal oscillator ~12 MHz or ~20 kHz (c) Direct drive
  • Package Type: 44-pin QFP

Pin Assignments:

  • P0-P31: General purpose I/O. Can source/sink 40 mA each at 3.3 VDC
  • P31: Rx from host (general purpose I/O after boot up).
  • P30: Tx to host (general purpose I/O after boot up/download).
  • P29: I2C SDA connection to external EEPROM (general purpose I/O after boot up).
  • P28: I2C SCL connection to external EEPROM (general purpose I/O after boot up).
  • Vdd: 3.3 V power (2.7 - 3.6 VDC).
  • Vss: Ground (0 VDC).
  • BOEn: Brown Out Enable (active low). Must be connected to either Vdd or Vss. If low, RESn becomes a weak output (~5 KΩ) for monitoring purposes but can be driven low to cause reset. If high, RESn is a CMOS input with Schmitt Trigger.
  • RESn: Reset (active low). When low, resets the Propeller chip; all cogs disabled and I/O pins floating. Propeller restarts 50 ms after RESn transitions from low to high.
  • XI: Crystal / clock input. Can connect to crystal or oscillator.
  • XO: Crystal Output. Provides feedback for an external crystal. Internal C and R selectable for crystals (no other components required).

Key Specifications:

  • Power requirements: 2.7 to 3.3 VDC
  • Communication: Serial for programming
  • Dimensions: 0.39 x 0.39 x 0.05 in (10 x 10 x 1.4 mm)
  • Operating temp range: -67 to +257 °F (-55 to +125 °C)

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