C8051F989-C-GUR

The C8051F989-C-GUR from Silicon labs is an embedded microcontroller that comes in a 32-pin TQFP package. The core processor features an 8051-based instruction set architecture and is designed for embedded applications. It offers an integrated 8, 10, or 12-bit PWM, enhanced UART and 10/12 bit ADC/DAC, along with a wide range of timer/counter options and integrated SPI and I2C. The C8051F989 includes clocks, operating up to 50 MHz, and 262K bytes of available program memory and up to 2K bytes RAM.

The C8051F989-C-GUR is applicable to a wide range of embedded applications including industrial, medical, networking, military, automotive and other markets. It provides an easy to use and highly integrated solution for product designs, reducing design complexity and development time, while providing system reliability and competitive performance. With its high-end processor core and advanced peripherals, the device can deliver high performance solutions while reducing development time and dramatically reducing system cost.

The basic working principle that drives the C8051F989-C-GUR is based on an 8051 core processor. The processor includes an 8-bit basic data transfer instruction, along with some 16 and 32-bit instructions. The 8051 core supports up to three interrupt priority levels and up to sixteen interrupt sources. It also includes maxpipeline instructions to improve the instruction execution speed and reduce the power consumption. The processor can run up to 50 MHz clock rate.

The on-board 8, 10 and 12-bit PWM feature in the C8051F989-C-GUR enable up to 32 pulse-width modulation modules. The integrated UART is designed to support up to four 9-bit UARTs. The ADC/DAC on-board provide 10 or 12-bit resolution and can be configured to support one/two/four continuous sampling channels and two software-controllable analog outputs. All UART/PWM/ADC/DAC peripherals are fully integrated inside the C8051F989-C-GUR, allowing designers to have an advanced, low-cost solution with simplified development.

The C8051F989-C-GUR provides one Master/Slave SPI port and an I2C port with various programmable clock rates. It can support up to four 32-bit timers with flexible start and stop count modes. The 16-bit Watchdog timer also included, can reset the CPU and peripherals in the event of a software failure or system crash.

The integrated flash memory and in-circuit emulation feature in the C8051F989-C-GUR allows users to rapidly develop their code and optimize performance. The device is further equipped with on-chip features such as RAM, expandable interrupt vectors, I/O ports for interfaces and to support external memory, an enhanced UART and 10/12 bit ADC/DAC for accurate analogue data sampling and processing, timers/counters for pulse/frequency monitoring/generation, and other communication protocols such as SPI and I2C.

In summary, the C8051F989-C-GUR is an embedded microcontroller that is applicable to a wide range of embedded applications. It provides an integrated solution with high-end processor core, advanced peripherals and on-chip features for product designs and system reliability. It reduces the design complexity and development time while delivering high system performance and competitive cost.