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MCUs pack improved mid-range 8bit core

Posted: 31 Jul 2009 ?? ?Print Version ?Bookmark and Share

Keywords:microcontroller? MCU? automotive? LCD?

PIC16F193X MCU

Microchip Technology Inc. has launched the first six members of the PIC16F193X family of microcontrollers featuring its enhanced mid-range 8bit core

Including the PIC16F1934, PIC16LF1934, PIC16F1936, PIC16LF1936, PIC16F1937 and PIC16LF1937, the new family extends Microchip's PIC MCU portfolio to over 550 compatible members, targeting a wide variety of applications in the appliance, consumer, industrial, medical and automotive markets.

The family's increased memory and core capabilities deliver enhanced support for both C and Assembly programmers, and "LF" family members feature Microchip's nanoWatt XLP technologyfor extreme low power consumptionenabling designs to achieve long battery lifetime.

The new devices include flash program memory up to 14Kbyte; data RAM up to 512bytes; 256bytes data EEPROM; LCD drive (up to 96 segments); nanoWatt XLP technology on the "LF" versions, resulting in sleep currents of 90nA, watchdog timer current of 500nA, and low-power 32kHz Timer1 oscillator current of 600nA, all at 1.8V.

In addition to peripherals for capacitive touch sensing (16 channels, with support for up to 64 buttons), the devices incorporate a 32MHz internal oscillator; up to five Enhanced Capture Compare PWM peripherals with independent time base; reduced Interrupt latency and a 16-level hardware stack, with overflow/underflow interrupt.

There is also master SPI/I?C and EUSART support for RS-232/RS-485, as well as LIN as well as up to 14 channels of 10bit ADC, two rail-to-rail input comparators with 555 timer operation and 4- x 8bit and 1- x 16bit timers, with extreme low power real-time clock support.

With a total of 49 instructions, the PIC16F193X microcontroller family optimizes program code and data handling, while increasing efficiency and reducing clock cycles. Future devices with the enhanced mid-range 8bit core, offering increased memory and additional I/O, are expected to be released later this year.

The PICkit 3 starter kit for the PIC16F193X enhanced core is in development, and is expected to be available in Q3 09.

- Bernard Cole
Embedded.com





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