Overview
The MC68HC11E1CFNE3R is an 8-bit microcontroller from the 68HC11 family, originally developed by Motorola Semiconductor and later continued by Freescale Semiconductor, which is now part of NXP Semiconductors. Introduced in 1984, this microcontroller is known for its versatility and robust feature set, making it suitable for a wide range of embedded systems applications.
Key Specifications
| Specification | Detail |
|---|---|
| Data Width | 8 bits |
| Address Width | 16 bits |
| Instruction Set | 68HC11 |
| Memory | Up to 768 bytes of internal RAM, up to 64 kilobytes of external memory |
| Packages | PLCC52: Plastic Leaded Chip Carrier, 52 terminals, 1.27 mm pitch, 19.12 mm x 19.12 mm x 4.57 mm |
| Ports | Five ports (A, B, C, D, E), each 8 bits wide except for port D which is 6 bits in some variations |
| ADC | Analog-to-Digital Converter (ADC) on port E |
| Timer Functions | Input capture, output compare, pulse accumulator on port A |
| Serial I/O | Serial Communications Interface (SCI) on port D |
Key Features
- Instruction Set Compatibility: Backward compatible with the 6800 instruction set, with additional features like a Y index register, 8 x 8-bit multiply, and 16-bit by 16-bit divide instructions.
- Memory and Ports: Supports up to 768 bytes of internal RAM and up to 64 kilobytes of external memory. It has five ports (A, B, C, D, E) with various functionalities including ADC on port E and timer functions on port A.
- Serial Communication: Includes a Serial Communications Interface (SCI) for serial I/O operations.
- Low Power Consumption: Designed with CMOS technology for low power consumption, making it suitable for battery-powered devices.
Applications
- Automotive Systems: Used in anti-lock braking systems, electronic power steering, and other automotive applications.
- Embedded Systems: Commonly used in barcode readers, hotel card key writers, amateur robotics, and various other embedded systems.
- Industrial Automation: Suitable for industrial control systems and automation due to its robust feature set and reliability.
Q & A
- What is the MC68HC11E1CFNE3R microcontroller? The MC68HC11E1CFNE3R is an 8-bit microcontroller from the 68HC11 family, originally developed by Motorola Semiconductor and now part of NXP Semiconductors.
- What are the key features of the MC68HC11E1CFNE3R? It includes a backward-compatible instruction set with the 6800, CMOS EEPROM, multiple ports, ADC, and serial communication capabilities.
- What types of memory does the MC68HC11E1CFNE3R support? It supports up to 768 bytes of internal RAM and up to 64 kilobytes of external memory.
- What are the common applications of the MC68HC11E1CFNE3R? It is used in automotive systems, embedded systems, barcode readers, hotel card key writers, and amateur robotics.
- What is the package type of the MC68HC11E1CFNE3R? The MC68HC11E1CFNE3R comes in a PLCC52 package, which is a plastic leaded chip carrier with 52 terminals.
- Does the MC68HC11E1CFNE3R have analog-to-digital conversion capabilities? Yes, it has an analog-to-digital converter (ADC) on port E.
- What is the significance of the Y index register in the MC68HC11E1CFNE3R? The Y index register is an additional feature that enhances the microcontroller's addressing capabilities.
- Can the MC68HC11E1CFNE3R be used in battery-powered devices? Yes, it is designed with CMOS technology for low power consumption, making it suitable for battery-powered devices.
- What is the standard monitor software for the 68HC11 family? The standard monitor software is called BUFFALO (Bit User Fast Friendly Aid to Logical Operation).
- Is the MC68HC11E1CFNE3R compatible with other microcontrollers in the 68HC11 family? Yes, it is part of the 68HC11 family and shares many features and compatibilities with other members of this family.
