Description

The LC87F5DC8A is an 8-bit single chip microcontroller designed for various electronic applications. It features a CPU with a minimum bus cycle time of 100 ns, making it highly efficient for processing tasks. The microcontroller has a built-in 128K bytes flash ROM, which can be rewritten on-board for easy programming and updating. It also has on-chip RAM with a capacity of 4096 bytes to store data during operation.

In addition to its core functions, the LC87F5DC8A also includes several on-chip functional blocks. One notable feature is the VFD automatic display controller/driver, which allows for seamless integration with visual display devices. The microcontroller also includes a 16-bit timer/counter, which can be divided into two 8-bit timers for versatile timing operations. Another useful feature is the 16-bit timer/PWM, also dividable into two 8-bit timers, for precise pulse width modulation. The microcontroller also includes a timer for use as a date/time clock, as well as a high-speed clock counter and a system clock divider function.

The LC87F5DC8A provides various options for communication with external devices. It includes a synchronous serial I/O port with automatic block transmit/receive function, as well as an asynchronous/synchronous serial I/O port. These ports enable seamless data transfer between the microcontroller and other devices. Additionally, the microcontroller is equipped with a 12-channel×8-bit AD converter, allowing for analog-to-digital conversion of up to 12 channels of input. It also features a weak signal detector to ensure reliable signal reception.

The LC87F5DC8A is equipped with a 15-source 10-vectored interrupt system, providing flexibility in handling interrupts for a wide range of applications. All of these functions are integrated onto a single chip, making the LC87F5DC8A a versatile and compact solution for microcontroller-based electronic designs.

Specifications and Features

• CPU: Operable at a minimum bus cycle time of 100 ns
• 128K bytes flash ROM (rewriteable on-board)
• On-chip RAM: 4096 bytes
• VFD automatic display controller/driver
• 16-bit timer/counter (can be divided into two 8-bit timers)
• 16-bit timer/PWM (can be divided into two 8-bit timers)
• Timer for use as date/time clock
• High-speed clock counter
• System clock divider function
• Synchronous serial I/O port (with automatic block transmit/receive function)
• Asynchronous/synchronous serial I/O port
• 12-channel×8-bit AD converter
• Weak signal detector
• 15-source 10-vectored interrupt system

Application Scenarios

The LC87F5DC8A microcontroller can be used in a variety of electronic applications. Some potential scenarios include:

1. Industrial Automation: The microcontroller's high-speed processing capabilities and versatile peripheral features make it suitable for controlling industrial machinery and equipment.
2. Consumer Electronics: With its integrated display controller/driver, the microcontroller can be used in devices such as home appliances, digital signage, and multimedia systems.
3. Embedded Systems: The compact design and extensive communication options of the microcontroller make it ideal for embedded systems development, including IoT devices, robotics, and automation.
4. Measurement and Control Systems: The microcontroller's built-in AD converter and interrupt system enable precise measurement and control of various parameters, making it suitable for sensor-based applications.

Comparison

• Efficient processing with a minimum bus cycle time of 100 ns
• Integrated flash ROM for easy programming and updating
• On-chip RAM for data storage during operation
• Versatile timing options with 16-bit timer/counter and timer/PWM
• Flexible communication options with synchronous and asynchronous/synchronous serial I/O ports
• High-speed clock counter and system clock divider function
• Multiple-channel AD converter for analog-to-digital conversion
• 15-source 10-vectored interrupt system for handling interrupts

• Limited flash ROM capacity (128K bytes)
• Relatively small on-chip RAM capacity (4096 bytes)