PIC16F18875-I/ML

Microcontrollers Overview

The PIC16F18875-I/ML is an 8-bit microcontroller from the PIC16(L)F18855/75 family, utilizing a C Compiler Optimized RISC architecture with only 49 instructions. It features up to 14 KB of Flash program memory, 1 KB of data SRAM, and 256 bytes of EEPROM. The device supports operating speeds up to a 32 MHz clock input with a 125 ns minimum instruction cycle. It includes a 10-bit ADC with Computation (ADC2), two comparators, a 5-bit DAC, four Configurable Logic Cells (CLC), three Complementary Waveform Generators (CWG), and five Capture/Compare/PWM modules.

Microcontrollers Feature Summary

• Integrates Analog, Core Independent Peripherals, and Communication Peripherals combined with eXtreme Low-Power technology for general purpose and low-power applications.
• Includes CRC/SCAN, Hardware Limit Timer (HLT), and Windowed Watchdog Timer (WWDT) to support safety-critical application requirements.
• Features a 10-bit ADC with Computation (ADC2) extensions that automate signal analysis math functions such as averaging, filtering, oversampling, and threshold comparison.
• Provides flexible oscillator structures including a high-precision internal oscillator up to 32 MHz, a low-power 32 kHz internal oscillator, and external oscillator blocks.

Microcontrollers Applications

• General purpose embedded designs requiring core-independent peripheral integration
• Low-power battery-operated systems utilizing XLP sleep modes
• Safety-conscious applications leveraging CRC/SCAN and HLT features
• Signal processing tasks using automated ADC2 post-processing

Microcontrollers Procurement Notes

Verify the specific package type against your design requirements, as the PIC16F18875 is available in multiple form factors including QFN and TQFP. Confirm the industrial temperature range specifications align with your operational environment. Ensure all VDD and VSS pins are properly connected at the circuit board level to maintain functionality. Check for any recent Product Change Notices or errata documents relevant to this specific revision before finalizing procurement.

Microcontrollers Selection Notes

Select the PIC16F18875 when a balance of moderate memory size and extensive peripheral integration is required. This model offers 36 I/O pins and a comprehensive set of digital and analog peripherals suitable for complex control loops. Consider the -I suffix for industrial temperature ratings if operating outside standard commercial ranges. Evaluate the power consumption characteristics against system requirements, particularly regarding DOZE and IDLE modes.

Microcontrollers Part Context

This component belongs to the PIC16(L)F18855/75 family of full-featured 8-bit microcontrollers. The family shares a common core architecture and peripheral set, differentiated primarily by memory sizes and pin counts. The PIC16F18875 specifically provides 14 KB of Flash and 36 I/O pins, positioning it between the smaller PIC16F18855 and larger memory variants within the same series.

Microcontrollers Replacement Considerations

The PIC16LF18875 serves as the low-voltage variant of this component. Other members of the PIC16(L)F188xx family may be compatible depending on memory and pin count requirements, but direct pin-to-pin substitution requires verifying package compatibility and electrical specifications.

Microcontrollers FAQ

What is the function of the ADC2 module?

The ADC2 module is a 10-bit Analog-to-Digital Converter with Computation extensions. It automates mathematical functions on input signals, including averaging, filter calculations, oversampling, and threshold comparison, to reduce application complexity.

How does the Peripheral Module Disable (PMD) feature work?

The PMD feature allows hardware modules to be disabled individually. This minimizes power consumption by turning off unused peripherals, supporting the device's eXtreme Low-Power (XLP) capabilities.

What safety features are included in this microcontroller?

The device includes a Cyclic Redundancy Check (CRC/SCAN) module for NVM integrity scanning, a Hardware Limit Timer (HLT) extension for timers, and a Windowed Watchdog Timer (WWDT) with configurable prescaler and window size selections.