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Category: Embedded System Product News

New 8051 Microcontroller USB From Cygnal Needs No Crystal

By Bridget A. Samuels for Cygnal
Feb 3, 2003 - 2:49:00 PM

Cygnal has introduced an 8051 Flash microcontroller with USB that does not need any external components to generate an internal clock.
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February 3, 2003 - AUSTIN, TX – Cygnal Integrated Products, Inc. today announced the C8051F321, a mixed-signal flash microcontroller with an integrated full-speed USB 2.0 module. The C8051F321 requires no external components, not even resistors or a crystal, and is available in the tiny 5mm x 5mm 28-pin Micro Lead-Frame Package (MLP), making it the world’s smallest USB microcontroller solution available.

"The C8051F321 combines a comprehensive set of analog peripherals, Flash memory, and a USB function controller with Cygnal’s high-speed 8051 CPU," said Danny Allred, Director of Product Marketing for Cygnal. "The integrated PHY and clock-recovery circuit eliminate the need for any external components, such as resistors or a crystal, making the C8051F321 ideal for small form-factor USB applications."

The C8051F321 features include:
- 24MIPS-peak 8051 CPU
- 16Kbytes Flash memory
- 2304 bytes of RAM
- 21 I/O pins.
- 1.5% internal oscillator with clock-recovery for USB
- 10-bit 200KSPS ADC
- temperature sensor
- SMBus®
- SPI® bus
- 28-pin package

Prices start at $4.64 in 10,000 piece quantities.

Development Tools
The C8051F321 has on-chip debug circuitry facilitating full-speed in-system debug features such as single-stepping, breakpoints, and modifying registers and memory. The C8051F320DK Development kit sells for $229 with features typical of in-circuit emulators costing a thousand dollars or more.

About Cygnal
Founded in March 1999, Cygnal Integrated Products, Inc. of Austin, TX designs, manufactures and markets advanced in-system programmable, mixed signal system-on-chip (SoC) products and associated support tools. These unique products embody the Company’s no-compromise attitude and distinguished technical skill base integrating world-class analog, high-speed digital and FLASH memory functions into a single powerful chip. The combination of mixed-signal integration and in-system programmability offers tangible user benefits through higher component integration, greater design flexibility, faster time-to-market, superior system performance and improved end product differentiation. Cygnal products deliver advanced application solutions expressly designed to address a broad range of markets including communications systems, industrial equipment and consumer products

New 8051 Microcontroller USB From Cygnal Needs No Crystal

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Product data and specifications in this article are the responsibility of the manufacturer. No warrenty is expressed or implied as to the accuracy of manufacturer-supplied data. So there.
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