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hard macro |
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The design of a logic function on a chip that specifies how the required logic elements are interconnected and specifies the physical pathways and wiring patterns between the components. Also called a "macro cell." Contrast with soft macro. |
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13um CMOS the CPU core is less than 1mm2 and the whole hard macro integrating CPU, FPU, 32K D cache, 16K I cache, serial port, timers, real time clock, interrupt controller, bus interface and debug port is only 8. ESS Technology selected MemCore's MP4010 DDR SDRAM PHY with Digital DLL licensed as a hard macro. Available in synthesizable RTL and hard macro versions, the ZSP500 combines a four-issue, eight-stage pipeline with two 16 x 16 MAC (multiply-accumulate) units and two ALUs (arithmetic logic units). |
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