The Intel C8751H is an 8-bit microcontroller that belongs to the MCS-51 family. It is a single-chip microcontroller with on-chip EPROM (Erasable Programmable Read-Only Memory), RAM (Random Access Memory), I/O ports, timers, and serial communication capabilities. The 'C' prefix indicates that it's a CMOS version, which typically offers lower power consumption compared to the original NMOS versions. It was commonly used in embedded control applications.
Applications:
- Embedded control systems
- Industrial automation
- Robotics
- Consumer electronics
- Automotive electronics
Features:
- 8-bit CPU
- 4 KB on-chip EPROM
- 128 bytes on-chip RAM
- 32 programmable I/O lines
- Two 16-bit timer/counters
- Full duplex UART serial channel
- Six interrupt sources
Benefits:
- Single-chip solution reduces component count
- Low power consumption (CMOS technology)
- Easy to program with available development tools
- Versatile I/O capabilities
- Suitable for a wide range of embedded applications
Additional Details:
The C8751H operates with a clock frequency typically up to 12 MHz. It supports a variety of addressing modes for accessing memory and peripherals. The 32 I/O lines can be individually configured as inputs or outputs, providing flexible interfacing capabilities. The two 16-bit timer/counters can be used for timing, counting, and generating PWM signals. The full-duplex UART serial channel allows for communication with other devices using standard serial protocols such as RS-232. The C8751H has six interrupt sources, including external interrupts, timer interrupts, and serial communication interrupts. This allows the microcontroller to respond to events in real-time. The C8751H is packaged in a 40-pin DIP (Dual In-line Package). Its robust feature set and ease of use made it a popular choice for embedded control applications in various industries.
