This document describes the core features of Microchip Technology Inc.'s microcontroller, including high-performance RISC CPU, 35 single word instructions, interrupt capability, hardware stack, various addressing modes, power-on reset, timers, etc.
The PIC16C745/765 family are low‑cost, high‑performance 8‑bit CMOS microcontrollers with USB 1.1 low‑speed support. They offer a rich set of peripherals including multiple timers, PWM modules, an 8‑bit ADC, and a parallel slave port, making them suitable for a wide range of applications such as sensor interfaces, appliance control, and automotive systems.
The document includes a detailed architectural overview, memory organization, pin‑out diagrams, electrical characteristics, and packaging information. It also provides a product identification system for ordering the correct device variant and references to development tools and support resources.
| Operating voltage range | 4.35 V – 5.25 V |
|---|---|
| High sink/source current | 25 mA / 25 mA |
| Industrial temperature range | -40 °C – +85 °C |
| Program memory | 8 K × 14‑bit words |
| Data memory | 256 bytes |
| I/O pins | 22 (PIC16C745) / 33 (PIC16C765) |
| USB dual‑port RAM | 64 bytes |
| ADC resolution | 8‑bit |
| Number of timers | 3 (Timer0, Timer1, Timer2) |
| Capture/Compare/PWM modules | 2 |
The device operates from 4.35 V to 5.25 V.
The PIC16C745 version provides 22 I/O pins.
It supports USB 1.1 low‑speed operation.
Four options: EC, E4 (with PLL), HS, and H4 (with PLL).