This data sheet introduces the features and characteristics of the PIC12C5XX series of microcontrollers
The PIC12C5XX family from Microchip Technology is a low‑cost, high‑performance 8‑bit CMOS microcontroller series. It uses a Harvard‑architecture RISC core with 33 single‑word instructions, an internal 4 MHz RC oscillator, and offers a range of power‑saving features such as Power‑On Reset, Watchdog Timer and SLEEP mode. The devices are available in various 8‑pin DIP, SOIC and ceramic side‑brazed packages, supporting both One‑Time‑Programmable (OTP) and UV‑erasable options.
The data sheet provides detailed information on memory organization (up to 1024 × 12‑bit program memory and 41 bytes of EEPROM), I/O capabilities (5 pins), oscillator selections (INTRC, EXTRC, XT, LP), electrical characteristics (2.5‑5.5 V operation, < 2 mA @ 5 V, 4 MHz), and temperature ranges (commercial 0 °C‑70 °C, industrial –40 °C‑85 °C, extended –40 °C‑125 °C). It also includes packaging data, product identification codes and support contacts.
| Instruction count | 33 single‑word instructions |
|---|---|
| Program memory size | Up to 1024 × 12 bits |
| Operating temperature range | Commercial 0 °C‑70 °C; Industrial –40 °C‑85 °C; Extended –40 °C‑125 °C |
| Typical current consumption | < 2 mA @ 5 V, 4 MHz |
The devices operate up to 4 MHz.
Selectable oscillator options are INTRC (internal 4 MHz RC), EXTRC (external RC), XT (crystal/resonator) and LP (low‑power crystal).
Each device provides 5 I/O pins.
The PIC12C509 includes 41 bytes of EEPROM data memory.