The PIC18F4520-I/P is an Enhanced Flash Microcontroller with 10-bit A/D and nanoWatt technology.

The PIC18F67K22-I/PT is a 128kB high-performance enhanced Flash Microcontroller Unit (MCU) with 12-bit A/D and nanoWatt XLP technology. This microcontroller is well suited for power-constrained and battery-powered applications. The Charge Time Measurement Unit (CTMU) simplifies the design of capacitive touch applications and can enable other applications requiring precise time or temperature measurement.