This document introduces the core features, peripheral features, special microcontroller features, and model, package, supply voltage, pin arrangement information of PIC17CR42, PIC17C42A, PIC17C43, PIC17CR43, PIC17C44, PIC17C42† microcontrollers.
The PIC17C4X family comprises 40/44‑pin EPROM/ROM‑based 8‑bit microcontrollers with up to 33 I/O pins, high‑current LED drive capability, and a range of peripheral features such as timers, PWM, capture inputs, and a USART. The devices operate from 2.5 V to 6.0 V and support clock speeds up to 33 MHz, delivering low power consumption (<5 mA @5 V, 4 MHz).
The datasheet details device varieties (C, LC, CR, LCR), memory organization, pin diagrams for various packages, electrical characteristics, and programming options including UV‑erasable, OTP, and QTP services. It also lists the worldwide sales and service contacts for Microchip.
| I/O Pins | 33 pins |
|---|---|
| Timer0 | 16‑bit + 8‑bit postscaler |
| Capture Inputs | 2 (16‑bit) |
| PWM Outputs | 2 channels, up to 10‑bit |
| Watchdog Timer | Yes |
| Power Consumption (typical) | <5 mA @5 V, 4 MHz |
Each PIC17C4X device provides 33 I/O pins with individual direction control.
Yes, the PIC17C4X devices feature a watchdog timer for reliable operation.