The Microchip PIC12F508/509/16F505 datasheet details specifications, pin configurations, memory, peripherals, and electrical characteristics of these 8‑bit…
The PIC12F508, PIC12F509, and PIC16F505 are low‑cost, high‑performance 8‑bit flash‑based CMOS microcontrollers from Microchip. They feature a RISC core with 33 single‑word instructions, multiple oscillator options, watchdog timer, code protection, and a range of I/O capabilities.
The document provides a complete overview of the architecture, memory organization, pin diagrams, peripheral modules such as Timer0, electrical specifications, package options, and development support tools. It also includes ordering information and contact details for Microchip sales and support. This manual is written in Chinese.
| Operating Voltage | 2.0 V to 5.5 V |
|---|---|
| Operating Temperature | -40°C to +85°C (industrial), -40°C to +125°C (extended) |
| Instruction Set Size | 33 single‑word instructions |
| Active Power Consumption | <350 µA at 2 V, 4 MHz |
| Standby Current | 100 nA at 2 V |
The devices support Online Serial Programming (ICSP) and In‑Circuit Debugging (ICD).
Options include an internal 4 MHz oscillator (INTRC), external RC, crystal/ resonator, high‑speed crystal, low‑power crystal, and a high‑speed external clock (for PIC16F505).