App note: MCP19111 enhanced power analog controller
The MCP19111 enhanced power analog controller is a 1.2 MHz buck controller with an integrated PIC12F inside. It features programmable coil current limit, over and under voltage protection, adjustable feed back loop, as well as up to 12 GPIOs.
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Comments
Why do you say a PIC12F inside? The 12F parts are artificially numbered 16F architecture parts with only 8 pins. Since the 19111 has 15 bits of IO ports, it’s surely not in that category!
■ Fully programmable (12F core)
from http://ww1.microchip.com/downloads/en/DeviceDoc/22333a.pdf