Microchip has expanded its low pin-count, 16-bit eXtreme Low Power (XLP) PIC MCU lineup by adding an on-chip 12-bit ADC, EEPROM, intelligent mTouch capacitive sensing and the capability to run from a 5 V supply. Featuring low sleep currents down to 20 nA, which is common to all XLP PIC MCUs, the PIC24F32KA304 range provides designers with versatile low-power MCUs for industrial, automotive, medical, utility metering, white goods and many other applications.
The PIC24F32KA304 family expands on the popular PIC24F16KA range by adding twice as much Flash program memory and 30% more RAM to enhance support for wireless communication protocol stacks. PIC24F32KA304 also integrates three times as many timers and pulse width modulators and twice as many UART, I²C and SPI channels. The resolution of the analog-to-digital converter has been quadrupled to 12 bits and the pin count increased to 44 pins, compared to the PIC24F16KA family.
The new PIC24F32KA304 MCUs’ intelligent mTouch sensing module includes a charge time measurement unit (CTMU) that performs an automated scan in sleep mode to enable low-power capacitive sensing. This new CTMU dramatically reduces current, to conserve even more battery power in portable applications. Full analog performance up to 5 V allows the PIC24F32KA304 to simplify power supply design by eliminating the need for discrete voltage regulators in 5 V applications such as automotive and white goods.
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