New low-cost 8-bit MCUs

30 April 2008 DSP, Micros & Memory

Microchip has released a new family of low-cost 8-bit Flash PIC microcontrollers. The 28- and 40-pin PIC16F722/3/4/6/7 MCUs are capable of operation down to 1,8 V and feature a 16 MHz internal oscillator, up to fourteen analog-to-digital converter channels, communication peripherals (SPI, I²C, AUSART), two capture compare and PWM (CCP) modules, and the mTouch Sensing Solution peripheral.

The MCUs have an operating voltage range of 1,8 to 5,5 V, with the low-power PIC16LF72X devices offering particularly low standby and other power-consumption specifications from 1,8 to 3,6 V. All the new devices feature a Timer1 gate that runs from the internal 16 MHz oscillator, providing ease in conditional event counting and measurements. The mTouch Sensing Solution peripheral makes it easy to add proximity sensing or capacitive touch-sensing user interfaces in place of mechanical buttons or switches, if designers so choose. Additionally, the mTouch peripheral can operate while the device is in 'sleep mode', bringing further power savings to the application.

The new MCUs have integrated in-circuit debug and are supported by the free MPLAB Integrated Development Environment. MPLAB REAL ICE in-circuit emulator support is expected to be available in the fourth quarter of 2008.

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