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Microchip rolls out lower-cost entry point 8bit MCUs

Posted: 25 Sep 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Microchip? PIC18F4321? MCUs? microcontrollers? MCU?

Microchip Technology Inc. has unveiled the four-member PIC18F4321 8bit MCU family with advanced peripherals, low pin count, small-footprint package options and low power consumption via nanoWatt Technology.

This family offers engineers a more cost-effective entry point to Microchip's PIC18 high-end 8bit MCU family, with increased performance and peripherals at a lower price, while maintaining a seamless upward migration path to more memory, peripherals and performance.

Many designs require a high-performance 8bit MCU with advanced peripherals, but relatively small memory. The PIC18F4321 provides two serial ports for expanded connectivity, a high-speed 13-channel, 10bit ADC with auto acquisitioning for faster measurements and lower code overhead, and nanoWatt Technology to reduce power consumption and prolong battery life. Conversely, the PIC18F4321 offers the a good amount of Enhanced Flash program memory, up to 8Kbytes to maintain cost-effective pricing.

Key features of the PIC18F4321 family include 4- or 8Kbytes of flash program memory, 256bytes of EEPROM data memory, two Serial Ports (1 synchronous, 1 asynchronous) for USART, I?C or SPI communication, 10bit A/D x 13 channels at 100KSps, two analog comparators and enhanced capture/compare/PWM module with support for MOSFET H-bridges. There is also a low-power internal oscillator, with from 32MHz to 31kHz operation.

The PIC18F4321 family maintains compatibility with Microchip's free MPLAB IDE, MPLAB C18 C compiler, MPLAB ICD 2 in-circuit debugger and emulator, and the MPLAB PM3 universal device programmer. In addition, the PICDEM 2 Plus (part # DM163022) demonstrates the capabilities of the PIC18F4321 family.

The PIC18F4321/4221/2321/2221 MCUs are available now for general sampling at sampling quantities, and volume-production shipments at volume quantities.

The PIC18F4321/4221 come in 44-pin QFN or TQFP and 40-pin PDIP packages, and the PIC18F2321/2221 are available in 28-pin QFN, SOIC, SPDIP and SSOP packages, all of which are RoHS-compliant. Prices start at $2.08 each in 10,000-unit quantities.

- Marty Gold
eeProductCenter




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