This datasheet introduces the features and characteristics of the PIC16C505 microcontroller
The PIC16C505 is a low‑cost, 8‑bit CMOS microcontroller with a high‑performance RISC CPU that executes 33 single‑cycle instructions. It offers a wide operating voltage (2.5 V‑5.5 V), extensive temperature ranges, and multiple oscillator options, making it suitable for a variety of low‑power applications.
Key features include 1024 × 12‑bit EPROM program memory, 72 bytes of data RAM, 11 configurable I/O pins, a built‑in Timer0, watchdog timer, power‑on reset, and in‑circuit serial programming (ICSP). The device is available in 14‑pin DIP, SOIC, and ceramic side‑brazed packages.
| Maximum Frequency | 20 MHz |
|---|---|
| Program Memory | 1024 × 12 bits |
| Data Memory | 72 bytes |
| Timer Module | Timer0 (TMRO) |
| Input Pins | 1 |
| I/O Pins | 11 configurable pins |
| Operating Voltage | 2.5 V to 5.5 V |
| Temperature Range | -40 °C to +125 °C |
| Standby Current | < 1.0 µA @5 V |
| Active Current | < 2.0 mA @5 V, 4 MHz |
| Number of Instructions | 33 |
| Instruction Cycle Time | 200 ns (single‑cycle) |
| Oscillator Options | INTRC, EXTRC, XT, HS, LP |
| In‑Circuit Serial Programming | Supported (ICSP™) |
| Package Types | 14‑pin DIP, SOIC, JW (ceramic side‑brazed) |
The device supports five oscillator modes: INTRC (internal 4 MHz), EXTRC (external RC), XT (standard crystal/resonator), HS (high‑speed crystal/resonator), and LP (low‑power oscillator).
The microcontroller is available in 14‑pin DIP, SOIC, and a ceramic side‑brazed (JW) package.
Yes, the device includes In‑Circuit Serial Programming (ICSP) support.