因为相位偏移有四种可能，所以每一个符码可以对两比特位的数据进行编码。
There are four possible phase shifts, allowing two bits of data to be encoded per symbol.
它仅仅能够处理八比特(八位二进制数)一组的信息，相形之下，当今计算机处理器能处理64比特或者128比特一组的数据。
It can process information only in eight-bit chunks, compared with the 64 - or 128-bit chunks handled by a modern computer processor.
接口的波特率为31.25 k波特，其中包括1个起始位，8个数据位以及1个停止位，每个串行比特周期为320微妙。
The baud rate for the interface is 31.25 Kbaud with 1 start bit, 8 data bits, and 1 stop bit, giving a period of 320 microseconds per serialized byte.
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