Manufacturer Part Number
MC68HC711E20CFN2
Manufacturer
NXP Semiconductors
Introduction
NXP's MC68HC711E20CFN2 is a member of the HC11 family of 8-bit microcontrollers designed for embedded applications.
Product Features and Performance
8-Bit Core Processor HC11
Speed of 2MHz
Connectivity includes SCI and SPI
Peripherals include Power-on Reset (POR) and Watchdog Timer (WDT)
38 Input/Output pins
20KB OTP Program Memory
512 Bytes EEPROM
768 Bytes RAM
Internal Oscillator
Operates at 4.5V to 5.5V supply voltage
8-channel 8-bit Analog-to-Digital Converter
Surface Mount 52-PLCC Package
Operating Temperature from -40°C to +85°C
Product Advantages
Simple 8-bit architecture suitable for basic control tasks
Integrated analog and digital peripherals for versatile functionality
Single power supply operation eases power design requirements
Adequate program memory for small to medium-sized applications
Operational over a wide temperature range suitable for industrial environments
Key Technical Parameters
Core Size: 8-Bit
Speed: 2MHz
Program Memory Size: 20KB
EEPROM Size: 512 Bytes
RAM Size: 768 Bytes
I/O Count: 38
Supply Voltage: 4.5V ~ 5.5V
Data Converters: 8x8b A/D
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Quality and Safety Features
Robust design ensuring reliable operation within specified temperature range
Watchdog Timer to recover from runaway code execution
Compatibility
Optimal for legacy systems requiring 8-bit microcontroller architecture
SPI and SCI interfaces for peripheral and serial communication connectivity
Application Areas
Industrial control systems
Automotive electronics
Home appliances
Consumer electronics
Robotics and automation
Product Lifecycle
Obsolete - potential for limited availability, consider alternative solutions
Several Key Reasons to Choose This Product
Proven HC11 architecture known for reliability
Ample I/O options for interfacing with various peripherals
In-system programmable OTP memory for easier firmware management
Built-in A/D converter simplifying analog signal processing
The legacy product is suitable for long-term maintenance of existing designs
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