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Execution transfer rate refer to transfer rate of bits in data field?

Latest Updated:07/01/2006

Question:

In the uPD72042B Data Sheet, it says that if the communication speed is 6 MHz and the mode is set to Mode 1, the execution transfer rate will be 17 kbps. Does this just refer to the transfer rate of the data bits in the data field (i.e., the actual data)?

Answer:

No; this value refers to the transfer rate of all the bits, including the header, parity, and acknowledge bits.
In Mode 1, it takes 410 us to transfer one byte of a data field (which includes the parity and acknowledge bits).
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