CodePudding user response:
Mount at most 127 devices, support 100 k/400 k model from machine: rate (0-400 - k)Write operations: first check whether the bus is idle, the host to send after the start signal, sent seven from the machine address sign a + 1, speaking, reading and writing, and then sent from the machine register address and will write to the specified location data
Reads: from the first machine address and write bus from machine register, free bus, read out the machine operation, the machine will be sent to the specified location data