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From: pranesh prakash<pmdvlsi@y...>
Date: Thu Oct 21 07:02:41 CEST 2004
Subject: [oc] Secure Digital Memory Card Controller...
Sir,
I've to implement the SD memory host within a XILINX COOLRUNNER II 2c128 device.
I need to implement the
a. command path unit.
b. datapath unit
c. control unit
d. Card detect unit.

Now I ve a problem. 2c128 has only 128 macrocells. i.e., 128 flip flpos.
CRC logic itself takes (16*4) in datapath unit and (7*1) in command path unit. apart from this I need to implement Command/Response register.
and moreover the control State machine needs some logic.
How can I ensure It would fit in ONE COOLRUNNER II 2c128 by reducing some of its features. Its actually a project fron XILINX.
Please help.

thanks in advance.
Pranesh MD














"H. Peter Anvin" <attachment-0001.htm

Reference	Author
[oc] Secure Digital Memory Card Controller...	H Peter Anvin