64 MHz 8-bit core with 128 KB program Flash
The Microchip PIC18F47K40-I/PT is an 8-bit PIC MCU from the PIC® XLP™ 18K family, built around a 64 MHz core that gives it the highest clock speed in the 8-bit PIC18 portfolio. On-chip data converters include a 35-channel 10-bit ADC and a single 5-bit DAC, covering basic analog sensing and simple set-point generation.
Memory and peripheral mix for control applications
The 3.6 KB RAM is sized for control loops and small data buffers; the 1 KB EEPROM stores configuration parameters and calibration constants that survive power cycles. The 128 KB Flash supports a full protocol stack (e.g., CANopen or Modbus RTU) plus application code, with room for field-upgradeable firmware via the UART or I²C bootloader. Peripheral set includes Brown-out Detect/Reset, Low-Voltage Detect, POR, PWM, and WDT — the usual watchdog and power-supervision blocks for unattended or safety-critical equipment. The 35-channel 10-bit ADC covers multi-sensor inputs (temperature, pressure, position) without an external mux.
This exact ordering code — PIC18F47K40-I/PT — specifies the 44-TQFP tray package and industrial temperature range. For volume requirements or dual-sourcing evaluation, the PIC24FV16KA304-I/PT (16-bit, 32 MHz, 38 I/O) is a functional alternative in the same 44-TQFP footprint, though it runs at half the core speed and uses a different peripheral set.