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External Memory interface of TMS320F2812

suraj pardeshi
Prodigy 60 points
Other Parts Discussed in Thread: TMS320F2812

Dear All,

I have connected an external DPRAM (CY7C024AV/025AV/026AV) to TMS320F2812. An external SRAM is also connected on the same address/data bus. Both the device have different chip-select pins DPRAM-zone0&1, SRAM zone-7. The problem is when we are trying to access DPRAM the CS of DPRAM is generated properly by the WR signal is not generated. Pl suggest.  The device is working properly with SRAM but not with DPRAM.