TM4C129的EN0TXOP/EN0TXON/EN0RXIP/EN0RXIN的BUFFER类型都是TTL的,TTL类型的信号的传输速率最大是20~30Mhz,那么TI的TM4C129是怎么实现100M的通信速率的呢?
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TM4C129的EN0TXOP/EN0TXON/EN0RXIP/EN0RXIN的BUFFER类型都是TTL的,TTL类型的信号的传输速率最大是20~30Mhz,那么TI的TM4C129是怎么实现100M的通信速率的呢?
虽然在TM4C129器件上的TTL中描述了缓冲区类型,但它们是具有TTL兼容级别的CMOS push/pull。它们实际上比原始的TTL逻辑快得多。请参见数据表末尾的电气规格部分。