Microchip’s latest microcontrollers, from its 8-bit PICs to 32-bit MIPS-based chips, now sport USB. At the low end is the small-footprint PIC18F1XK50 family. The 16-bit PIC24F family now adds USB OTG (On the Go) support, as does the low-cost, 40-MHz, 32-bit PIC32MX420. Other PIC32 systems run at speeds up to 80 MHz. Pricing starts at $1.32, $3.47, and $3.25, respectively.
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