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MCU upgrades memory, peripherals

Posted: 19 Apr 2006 ?? ?Print Version ?Bookmark and Share

Keywords:MC908JL? MC68HC908JL16? microcontroller? Freescale? Marty Gold?

Freescale Semiconductor is giving users of its MC908JL family of 8bit microcontrollers what they are always asking for, more memory and more functionality.

The newest version of the MC68HC908JL16 family based on the company's HC08 architecture features 16Kbytes of flash memory, 512bytes of RAM, I2C and advanced flexible clock options. With up to 11 I/O ports featuring high current drive capability, this device can drive up to 11 LEDs off the MCU without an additional driver.

In addition, an enhanced 10bit ADC module provides quick, precise A/D conversion, according to Freescale. The 10bit ADC offers improved conversion resolution over an 8bit ADC, which still retains 8bit functionality for backward compatibility.

The MC68HC908JL16 is pin-to-pin compatible with all other 908JL microcontrollers and it is fully upward-compatible object code with M6805, M146805, and M68HC05 families. It's an ideal solution for a wide variety of applications, including home appliances, electronic power meters, industrial control, lighting control, PC peripherals, security and alarm systems, sensing systems, automotive body electronics and instrument control panels, according to the company.

The MC68HC908JL16 is available in a 28-pin, plastic dual in-line package or small outline integrated circuit package, as well as a 32-pin quad flat pack or shrink dual in-line package. The MCUs carry a $1.50 suggested resale in 1,000-piece quantities.

The DEMO908JL16 enhanced demonstration board supports this device and other Freescale 8bit MCUs, simplifying product development and reducing time to market. The unit is specifically designed to help designers develop application code quickly and easily with the integrated USB-to-MON08 interface, Fast Track CodeWarrior development tools and software examples. An I/O connector can be used to link the DEMO908JL16 board to an expanded evaluation environment, including EML08JLJK/EML08JLJKE evaluation boards. Both are available in lead-free versions. The DEMO908JL16 enhanced demo board costs $50.

- Marty Gold

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