16C715 Microcontroller Technical Summary

Overview

The PIC16C715 is a high-performance 8-bit microcontroller from Microchip Technology, featuring a RISC-based architecture optimized for embedded control applications. This device combines advanced analog and digital peripherals with a powerful CPU core, making it suitable for a wide range of industrial, automotive, and consumer applications.

Key aspects of the 16C715 include its efficient instruction set, integrated analog-to-digital converter, and flexible I/O capabilities. The microcontroller operates across a wide voltage range and offers multiple package options for design flexibility.

Features

• High-performance RISC CPU:
  • Only 35 single-word instructions to learn
  • All single-cycle instructions except for program branches
  • Operating speed: DC - 20 MHz clock input
  • DC - 200 ns instruction cycle
• Peripheral Features:
  • 8-bit Timer0 with 8-bit prescaler
  • 8-channel, 8-bit Analog-to-Digital Converter (A/D)
  • Up to 22 I/O pins with individual direction control
  • High sink/source current for direct LED drive
• Special Microcontroller Features:
  • Power-on Reset (POR)
  • Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
  • Watchdog Timer (WDT) with its own on-chip RC oscillator
  • Programmable code protection
  • Power-saving SLEEP mode
• CMOS Technology:
  • Low-power, high-speed technology
  • Wide operating voltage range: 2.5V to 6.0V
  • Low power consumption:
    • Less than 2 mA @ 5V, 4 MHz
    • Typically 15 µA @ 3V, 32 kHz
    • Less than 1 µA standby current

Applications

The PIC16C715 microcontroller is designed for a wide range of embedded control applications, including:

• Automotive systems:
  • Engine control modules
  • Climate control systems
  • Dashboard instrumentation
• Industrial control:
  • Sensor interfaces
  • Process control systems
  • Motor control
• Consumer electronics:
  • Appliance control
  • Remote controls
  • Power tools
• Medical devices:
  • Portable monitoring equipment
  • Diagnostic devices

Electrical Characteristics

Absolute Maximum Ratings

• Supply Voltage (VDD): -0.3V to +7.5V
• Input Voltage (VIN): -0.3V to (VDD + 0.3V)
• Storage Temperature: -65°C to +150°C
• Operating Temperature: -40°C to +85°C (industrial)

DC Characteristics

• Supply Voltage Range:
  • Standard: 4.0V to 6.0V
  • Extended: 2.5V to 6.0V
• Power Supply Current:
  • Active mode: 2.0 mA typical @ 5V, 4 MHz
  • Sleep mode: 1 µA typical @ 3V
• Input Leakage Current: ±1 µA max @ VDD = 5.5V
• Output Drive Current:
  • Sink current: 25 mA max per pin
  • Source current: 20 mA max per pin

AC Characteristics

• Instruction Cycle Time: 200 ns @ 20 MHz
• A/D Conversion Time: 20 µs typical
• Timer0 Clock Frequency: DC to 20 MHz
• Reset Pulse Width: 100 µs min

Package Information

The PIC16C715 is available in multiple package options to suit various application requirements:

28-Pin Packages

• PDIP (Plastic Dual In-line Package):
  • 300 mil body width
  • Pb-free and RoHS compliant options
  • Operating temperature: -40°C to +85°C
• SOIC (Small Outline IC):
  • 300 mil body width
  • Surface mount package
  • Ideal for space-constrained applications
• SSOP (Shrink Small Outline Package):
  • 209 mil body width
  • Reduced footprint version
  • 0.65 mm lead pitch

40-Pin Packages

• PDIP:
  • 600 mil body width
  • Standard through-hole package
• PLCC (Plastic Leaded Chip Carrier):
  • Square surface mount package
  • 1.27 mm lead pitch
  • J-lead configuration
• QFP (Quad Flat Package):
  • Thin profile surface mount package
  • 0.8 mm lead pitch
  • Excellent thermal characteristics

Memory Organization

Program Memory

• 1K x 14-bit EPROM/ROM program memory
• 8-level deep hardware stack
• Direct, indirect, and relative addressing modes

Data Memory

• 36 x 8-bit general purpose registers
• 64 x 8-bit special function registers
• Banked memory organization

Development Support

Microchip provides comprehensive development support for the PIC16C715 family:

• MPLAB® IDE: Integrated development environment
• PICkit™ Programmers: Low-cost development programmers
• In-Circuit Debuggers: Real-time debugging capability
• Third-Party Tools: Supported by major compiler vendors
• Application Notes: Extensive technical documentation

Conclusion

The PIC16C715 microcontroller