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PXA272 - Interfacing Dual Port to Intel Embedded Processor

General Description

Type of memory: SRAM Data bus width: 16 bits ROM/SRAM delay first access: 30 Clock pulse equivalent of processor ROM/SRAM delay next access: 30 clock pulse equivalent of processor ROM/SRAM Recovery Time Fast/Slow device: Slow Device Read Operation With an internal reference clock of 520 M

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www.DataSheet4U.com Interfacing Cypress MoBL® Dual-Port to Intel® PXA272 Embedded Processor Introduction The PXA272 Embedded Processor of the Intel® PCA processor family is an integrated system-on-a-chip microprocessor for high performance, dynamic and low-power portable handheld and handset devices. The Intel PXA272 processor includes a memory interface that gives designers more flexibility as it supports a variety of external memory types. CYDM256A16 is an asynchronous MoBL® Dual-Port memory from Cypress Semiconductor. It has a 256-Kbit shared memory array with two 16-bit data buses. The shared memory structure allows independent access from both ports to 32K address locations. The device is available in -35 and -55 speed grades in both commercial and industrial temperature ranges.