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Hi, For a project I'm working on, I need SDRAM interfacing to the ADSP-21065L (my very first project involving design with SDRAM parts). One suitable part is the MT48LC2M32B2 from Micron. Has anyone already used this part or any other very similar for interfacing to the 065L? Any special requeriments or considerations to take caro of? The nicest things about this part are its direct 32 bit data support, and low price. I have one doubt: this part is 4-banked (BA1, BA0). AD13 and AD12 should be used as the bank select signals, but I don't know how exactly is the connection, either AD13-BA1 and AD12-BA0, or otherwise. Please clarify this to me. Something else: there is only one DQM signal on the DSP, and four DQMs on the SDRAM, for each byte of data. Can the DQM signal be directly connected to all of the DQM0-3 on the SDRAM directly? I suspect the answer is "yes", since it's output of the DSP and input to the SDRAM when writting, and tristated in both parts when reading; I just want you guys to confirm this, since I don't want to do hardware redesigns, which is rather expensive. Regards, JaaC |
ADSP-21065L to Micron's MT48LC2M32B2
Started by ●December 13, 2004
