PIC16C77-20/P

Microcontrollers Overview

The PIC16C77-20/P is an 8-bit CMOS microcontroller from the PIC16C family, manufactured by Microchip Technology. It features 8K x 14 words of EPROM program memory and 368 bytes of data RAM. The device operates at a maximum clock frequency of 20 MHz with a DC to 20 MHz range. It utilizes a 40-pin PDIP package and supports In-Circuit Serial Programming. Key peripherals include three timer modules, two Capture/Compare/PWM modules, an 8-channel 8-bit A/D converter, SSP (SPI/I²C), USART, and an 8-bit Parallel Slave Port.

Microcontrollers Feature Summary

• High-performance RISC CPU with Harvard architecture and single-cycle instruction execution
• Integrated analog-to-digital conversion with eight channels
• Comprehensive serial communication capabilities including SPI, I²C, and USART
• Flexible timing control via multiple timers and PWM modules

Microcontrollers Applications

• Appliance control systems
• Security and remote sensor interfaces
• Automotive electronic applications
• Timer functions and serial communication coprocessors

Microcontrollers Procurement Notes

Verify the specific suffix 'P' corresponds to the 40-pin Plastic Dual In-line Package (PDIP) as documented in the datasheet packaging section. Confirm that the '20' designation indicates the 20 MHz operating speed variant. Ensure compatibility with the required voltage range and temperature specifications for the target application environment before finalizing procurement.

Microcontrollers Selection Notes

Select this component when high I/O count and extensive peripheral integration are required within an 8-bit architecture. The 33 available I/O pins and parallel slave port support complex interface requirements. The EPROM technology allows for code customization during development, while OTP variants may be considered for production volumes if reprogramming is not needed.

Microcontrollers Part Context

This device belongs to the PIC16C7X family of 8-bit microcontrollers. It shares architectural similarities with the PIC16C5X series but offers enhanced features such as an eight-level deep hardware stack and additional interrupt sources. The PIC16C77 represents the higher-end configuration within the standard PIC16C7x lineup, providing maximum memory and I/O capacity for the series.

Microcontrollers Replacement Considerations

PIC16C77-20E/P

Microcontrollers FAQ

What type of memory does the PIC16C77-20/P use?

It uses UV erasable EPROM technology for program storage.

Does the PIC16C77-20/P support I²C communication?

Yes, it includes a Synchronous Serial Port (SSP) module configurable for I²C operation.