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AFS090 Arkusz danych(PDF) 57 Page - Microsemi Corporation |
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AFS090 Arkusz danych(HTML) 57 Page - Microsemi Corporation |
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57 / 334 page ![]() Fusion Family of Mixed Signal FPGAs R e visio n 2 2 - 41 Embedded Memories Fusion devices include four types of embedded memory: flash block, FlashROM, SRAM, and FIFO. Flash Memory Block Fusion is the first FPGA that offers a flash memory block (FB). Each FB block stores 2 Mbits of data. The flash memory block macro is illustrated in Figure 2-32. The port pin name and descriptions are detailed on Table 2-19 on page 2-42. All flash memory block signals are active high, except for CLK and active low RESET. All flash memory operations are synchronous to the rising edge of CLK. Figure 2-32 • Flash Memory Block ADDR[17:0] WD[31:0] PROGRAM CLK RESET RD[31:0] BUSY STATUS[1:0] UNPROTECTPAGE DISCARDPAGE OVERWRITEPROTECT PAGELOSSPROTECT DATAWIDTH[1:0] REN WEN ERASEPAGE SPAREPAGE AUXBLOCK READNEXT OVERWRITEPAGE PAGESTATUS PIPE LOCKREQUEST |
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