PIC12C509A-04I/MF

Microcontrollers Overview

The PIC12C509A-04I/MF is an 8-bit CMOS microcontroller from the PIC12C5XX family. It features a RISC architecture with 33 single-cycle instructions and operates at a maximum clock frequency of 4 MHz. The device includes 1024 x 12 EPROM program memory, 68 bytes of RAM, and 64 bytes of EEPROM data memory. It provides five programmable I/O lines and supports multiple oscillator options including internal RC, external RC, crystal, and low-power crystal modes. Key peripherals include an 8-bit timer/counter (TMR0) with a programmable prescaler, a Watchdog Timer (WDT), Power-On Reset (POR), and a Device Reset Timer (DRT).

Microcontrollers Feature Summary

• Features a high-performance 8-bit RISC CPU with only 33 single-word instructions.
• Includes on-chip EEPROM data memory for non-volatile storage.
• Supports selectable oscillator configurations for flexible clocking.
• Integrates hardware reset and watchdog timers for system reliability.

Microcontrollers Applications

• Slot machines
• Security systems
• Random number generation

Microcontrollers Procurement Notes

Verify the specific ordering suffix to confirm package type and temperature range. Ensure compatibility with existing programming tools such as MPLAB IDE. Confirm that the target application voltage levels align with the device specifications. Check for code protection requirements if intellectual property security is necessary. Validate supply chain sources for authenticity.

Microcontrollers Selection Notes

Select this component when a low-cost, 8-bit solution with EPROM and EEPROM is required. Consider the 4 MHz operating speed and limited instruction set for simple control tasks. Evaluate the available I/O pins against interface requirements. Review power consumption characteristics if battery operation is intended. Compare against other PIC12C5XX variants for memory size differences.

Microcontrollers Part Context

This part belongs to the PIC12C5XX family of 8-pin, 8-bit CMOS microcontrollers. The family shares common peripheral features such as TMR0, WDT, and POR. Variants within the series differ primarily in program memory capacity, ranging from 512 words to 1024 words. The PIC12C509A specifically offers 1024 words of EPROM.

Microcontrollers Replacement Considerations

PIC12C509

Microcontrollers FAQ

What oscillator options are supported by the PIC12C509A?

The device supports Internal RC (INTRC), External RC (EXTRC), Standard Crystal (XT), and Low-Power Crystal (LP) oscillator modes.

Does the PIC12C509A have an analog-to-digital converter?

No, the PIC12C509A does not include an ADC module.