PIC12F509-I/P 8-Bit Flash Microcontroller DIP-8 (PIC12F509 I/P DIP IC)
The PIC12F509-I/P is a high-performance, 8-bit Flash-based microcontroller designed for cost-sensitive and space-constrained applications. It is the higher-memory version of the PIC12F508, featuring 1024 words of Flash program memory and 41 bytes of RAM. Based on a streamlined RISC architecture with only 33 instructions, it offers high execution speed and efficient code density. The device includes an internal 4MHz RC oscillator, which minimizes the need for external components, making it a complete control solution in a tiny 8-pin package.
This IC is primarily used in consumer electronics, small appliances, and battery-powered portable devices. It is a popular component for Arduino electronics projects in India for building standalone logic controllers, advanced DIY timers, and small-scale automation systems where the re-programmability of Flash memory is required.
Key Features
- High-performance RISC CPU with 33 single-word instructions
- Reprogrammable Flash program memory (up to 1000 erase/write cycles)
- Internal 4MHz RC oscillator with programmable calibration
- In-Circuit Serial Programming (ICSP) support
- Wide operating voltage range (2.0V to 5.5V)
- Extremely low power consumption (under 2uA standby at 2V)
- 8-bit real-time clock/counter (TMR0) with 8-bit programmable prescaler
- Watchdog Timer (WDT) with independent on-chip RC oscillator
- High current source/sink for direct LED drive (25mA)
Specifications
- IC Type = 8-Bit Flash Microcontroller
- Program Memory = 1024 Words (1.5KB)
- Data RAM = 41 Bytes
- Speed = 4MHz (Internal Oscillator)
- I/O Pins = 6 (5 I/O, 1 Input-only)
- Supply Voltage = 2.0V to 5.5V
- Current Sink/Source = 25mA
- Package Type = PDIP-8
- Number of Pins = 8
- Mounting Type = Through-Hole
- Operating Temperature = -40 to 85 degrees Celsius
Interfaces
- PIN 1 (VDD) = Positive Supply Voltage (5V)
- PIN 2 (GP5/OSC1/CLKIN) = General Purpose I/O / Oscillator Input
- PIN 3 (GP4/OSC2/CLKOUT) = General Purpose I/O / Oscillator Output
- PIN 4 (GP3/MCLR/VPP) = Input Only / Master Clear / Programming Voltage
- PIN 5 (GP2/T0CKI) = General Purpose I/O / Timer Clock Input
- PIN 6 (GP1/ICSPCLK) = General Purpose I/O / Programming Clock
- PIN 7 (GP0/ICSPDAT) = General Purpose I/O / Programming Data
- PIN 8 (VSS) = Ground (0V)
