Spartan-3A 系列配置用户指南Spartan-3 Generation Generation Configuration User Configuration Guide Spartan-3A, Spartan-3E, Spartan- and 3E, and Spartan-3 Spartan-3 FPGA Families FPGA Families [optional] UG332 (v1.4) July 1, 2008 [optional] R R Xilinx is disclosing this Document and Intellectual Property (hereinafter “the Design”) to you for use in the development of designs to operate on, or interface with Xilinx FPGAs. Except as stated herein, none of the Design may be copied, reproduced, distributed, republished, downloaded, displayed, posted, or transmitted in any form or by any means including, but not limited to, electronic, mechanical, photocopying, recordin……