MC68HC705P6ACDW

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: Low power consumption, high performance, compact size
• Package: Ceramic Dual In-Line Package (CDIP)
• Essence: 8-bit microcontroller with on-chip EEPROM and clock oscillator
• Packaging/Quantity: Tape and reel, 250 units per reel

Specifications

• Architecture: Harvard architecture
• Bit Size: 8-bit
• Clock Speed: Up to 2 MHz
• Program Memory: 4 KB
• Data Memory: 176 bytes
• EEPROM Memory: 128 bytes
• I/O Pins: 20
• Timers/Counters: 2
• Serial Communication Interfaces: 1 (SCI)

Pin Configuration

The MC68HC705P6ACDW has a total of 28 pins. The pin configuration is as follows:

1. VDD - Power supply voltage
2. VSS - Ground
3. RESET - Reset input
4. IRQ - Interrupt request input
5. XTAL - Crystal oscillator input
6. OSC2 - Oscillator output
7. OSC1 - Oscillator input
8. PA0 - Port A, bit 0
9. PA1 - Port A, bit 1
10. PA2 - Port A, bit 2
11. PA3 - Port A, bit 3
12. PA4 - Port A, bit 4
13. PA5 - Port A, bit 5
14. PA6 - Port A, bit 6
15. PA7 - Port A, bit 7
16. PB0 - Port B, bit 0
17. PB1 - Port B, bit 1
18. PB2 - Port B, bit 2
19. PB3 - Port B, bit 3
20. PB4 - Port B, bit 4
21. PB5 - Port B, bit 5
22. PB6 - Port B, bit 6
23. PB7 - Port B, bit 7
24. VPP - Programming voltage input
25. PTA0 - Timer A input/capture
26. PTA1 - Timer A output/compare
27. PTA2 - Timer A clock
28. PTA3 - Timer A enable

Functional Features

• On-chip EEPROM for non-volatile data storage
• Low power consumption for battery-powered applications
• Built-in clock oscillator eliminates the need for an external crystal
• Harvard architecture provides separate program and data memory spaces
• Two timers/counters for precise timing operations
• Serial Communication Interface (SCI) for serial data communication

Advantages and Disadvantages

Advantages: - Compact size makes it suitable for space-constrained applications - Low power consumption extends battery life - On-chip EEPROM allows for easy data storage and retrieval - High-performance architecture enables efficient control applications

Disadvantages: - Limited program memory size may restrict complex applications - Limited data memory capacity may require external memory expansion - Clock speed limitation of 2 MHz may not be sufficient for some high-speed applications

Working Principles

The MC68HC705P6ACDW operates based on the principles of a microcontroller. It executes instructions stored in its program memory to perform various tasks. The on-chip EEPROM allows for non-volatile data storage, ensuring that important information is retained even when power is lost. The built-in clock oscillator generates the necessary clock signals for the microcontroller's operation.

The microcontroller communicates with external devices through its I/O pins and the serial communication interface. It can read inputs, control outputs, and exchange data with other devices. The timers/counters enable precise timing operations, making it suitable for applications that require accurate timekeeping or event counting.

Detailed Application Field Plans

The MC68HC705P6ACDW is commonly used in various embedded systems and control applications, including but not limited to:

1. Home automation systems
2. Industrial control systems
3. Automotive electronics
4. Medical devices
5. Consumer electronics

Its compact size, low power consumption, and versatile functionality make it suitable for a wide range of applications that require reliable and efficient control capabilities.

Alternative Models

If the MC68HC705P6ACDW does not meet specific requirements, alternative models with similar features and capabilities include:

1. MC68HC705C8ACFN - 8-bit microcontroller with larger program memory and additional I/O pins.
2. MC68HC705J1ACDW - 8-bit microcontroller with built-in analog-to-digital converter (ADC) for sensor interfacing.
3. MC68HC705