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PIC 18LF4550 2 (two) IC's, 40 pin DIP this is the "LF" version, which works with supplies of 3V to 6V USB interface built in (high speed-low speed) I2C, SPI, and parallel interfaces. 34 IO, 13 A-D converters, 2 comparators, 3PWM, 32K code words, 2048 bytes data RAM 48MHz clock. 5x 10bit PWM. Check price at Digi-Key (enter PIC18F4550 in the search field) Winner also gets (on request): sample source code for working with the USB port, both on the PIC and the PC side AND 5 free PIC e-books (+ 2 about the USB port) ELEKTOR magazines 2000 - 2005, annual 12 issue compilation contact us Construction plans for 300W audio Power amp Light, compact switching power supply for your amp -Escape from the boat anchor transformers! |