Microchip Technology's PIC16C64A-04I/PQ Microcontroller

The PIC16C64A-04I/PQ is a high-performance CMOS fully-static 8-bit microcontroller from Microchip Technology, designed to handle a wide array of applications ranging from automotive industries to consumer electronics. This microcontroller is part of the PIC16C family and is well-known for its robustness, low power consumption, and versatility.

With a 4 MHz clock speed, the PIC16C64A-04I/PQ offers precise timing and control for real-time applications. It comes in a 44-pin PQFP (Plastic Quad Flat Package) that provides ample I/O lines for interfacing with peripherals and external devices. The package is suitable for surface-mount technology, making it ideal for compact and space-constrained designs.

The device is equipped with 3.5KB of onboard program memory and 128 bytes of RAM, ensuring sufficient space for program storage and smooth operation for most basic tasks. It also features an EEPROM data memory of 64 bytes, which is useful for storing non-volatile data that must be retained even after the power is turned off.

Key features of the PIC16C64A-04I/PQ include:

• Wide operating voltage range (2.5V to 5.5V), allowing for flexible power supply design.
• Power-saving Sleep mode, which significantly reduces power consumption when the device is not in active use.
• Up to 33 I/O pins, providing extensive interfacing capabilities.
• An 8-level deep hardware stack, which simplifies the implementation of nested interrupts and multitasking.
• A variety of integrated peripherals, such as timers, parallel slave port, and serial communication modules like USART, which support RS-232 and RS-485 protocols.
• Watchdog Timer with its own on-chip RC oscillator for reliable system reset.
• Programmable code protection to prevent unauthorized reading or copying of the code.

The microcontroller's industrial temperature range (-40°C to +85°C) ensures reliability and stable operation in harsh environments. Additionally, the PIC16C64A-04I/PQ supports in-circuit programming, which allows for easy updates and debugging of the application code without removing the microcontroller from its circuit.

Overall, the PIC16C64A-04I/PQ is a versatile and reliable choice for designers and engineers looking for a cost-effective microcontroller with a solid range of features for a variety of applications.