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The M8052 microcontroller core, a faithful implementation of the classic Intel 87C51 and 87C52 devices, utilizes a 12 clock-per-machine cycle architecture. This enables precise clock cycle compatibility essential for legacy applications requiring meticulous timing coordination with peripheral systems. While instructions typically require 12 or 24 clock cycles, the core can handle more complex operations like multiply and divide in 48 clock cycles. The M8052 features an additional 16-bit counter timer and supports up to 256 bytes of register memory, providing enhanced functionality for drop-in compatibility scenarios.
The M8051W is an advanced microcontroller core that executes each machine cycle in two clock cycles, achieving a remarkable sixfold increase in performance compared to traditional M8051 and M8052 cores. Intuitive and robust, it maintains binary and memory compatibility with Intel's MCS-51 devices. It additionally supports extended features like multiple data pointers, enhanced interrupt support, optional multi-clock domain utilization for power optimization, and synchronous memory cell compatibility.
The M8051EW elevates the capabilities of the M8051W by integrating a comprehensive debugging environment. Designed for efficiency, it sustains high-performance execution speed and remains compatible with Intel MCS-51 devices. This core includes a robust hardware debugger with a JTAG port, facilitating seamless integration with external debugger setups. Noteworthy features include hardware breakpoints, instruction tracebacks, and complete read/write access to registers and memory arrays.
The Peripheral IP Suite enhances the microcontroller IP offerings by including various interface cores tailored for the 8051 architecture. It includes the Four-Wire Slave Interface (M4WIS), the Two-Wire Slave Interface (M2WIS), and the 1-Gigabit UDP/Ethernet MAC (UDPMAC) core. These peripherals extend the interface capabilities of the standard M8051W and M8051EW cores, encompassing UDP datagram and Ethernet MAC functionalities with integral DMA, configurable packet FIFOs, and a RGMII interface.
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