The STC89LE58RD+40C-PLCC is a microcontroller from STC Micro, part of the STC89 series, based on an enhanced 8051 core. The 'PLCC' suffix indicates that this variant comes in a Plastic Leaded Chip Carrier package, a surface-mount technology (SMT) package commonly used in embedded systems. The '40C' likely refers to a clock speed or temperature rating, potentially indicating a maximum clock frequency of 40MHz and/or an operating temperature range.

Applications

• Embedded Control Systems: Used in various embedded applications where space is a constraint.
• Industrial Automation: Employed in control units for machinery and equipment.
• Consumer Electronics: Found in devices like remote controls, toys, and small appliances.
• Data Acquisition Systems: Used in systems that collect and process data from sensors.
• Communication Modules: Implemented in modules for serial communication and data transfer.

Features

• Enhanced 8051 Core: Offers improved performance and speed compared to traditional 8051 microcontrollers.
• 8KB Flash Memory: Provides ample space for program storage.
• 512 Bytes SRAM: Offers sufficient SRAM for data manipulation and temporary storage.
• EEPROM: Integrated EEPROM for non-volatile storage of configuration settings or calibration data.
• Timers/Counters: Multiple timers/counters for timing events and generating waveforms.
• UART Serial Communication: Allows serial communication with other devices via UART protocol.
• PLCC Package: The PLCC package provides a compact form factor suitable for surface-mount assembly.
• Interrupt System: Supports multiple interrupt sources for responsive handling of events.
• I/O Ports: General-purpose I/O pins for interfacing with external components.

Benefits

• Compact Size: The PLCC package enables smaller PCB designs.
• Cost-Effective: Offers a balance of performance and features at a competitive price.
• Familiar Architecture: The 8051 core is widely known and supported by numerous development tools.
• Non-Volatile Storage: The integrated EEPROM allows for persistent data storage.
• Versatile Peripheral Set: The built-in timers, UART, and I/O ports reduce the need for external components.
• Easy Programming: Uses standard 8051 programming tools and languages.

Additional Details

This microcontroller operates at a clock frequency of up to 40 MHz, indicated by the '40C' in the part number. The PLCC package requires surface-mount soldering techniques. It typically operates on a power supply voltage in the range of 3.3V to 5V. The STC89LE58RD+ series is noted for its reliability and ease of programming, making it a suitable choice for various embedded applications. The RD+ likely denotes specific feature enhancements relative to base STC89LE58 models.