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TMS320C5509是TI公司推出的一款数字定点DSP芯片,它支持I2C(inter-Integratedcircuit)协议并为此提供了专门的外设接口(第89管脚SDA和第90管脚SCL)。笔者给出了用铁电存贮器FM24CL64与DSP相连来共同实现DSP在突然调电时进行数据保护的方法。
The TMS320C5509 is TI’s digital fixed-point DSP chip, which supports the inter-integrated circuit (I2C) protocol and provides dedicated peripheral interfaces for this (the 89th pin SDA and the 90th pin SCL). The author gives the use of ferroelectric memory FM24CL64 and DSP connected together to achieve DSP in the sudden power of data protection methods.