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| The transmit and receive buffers are physically separate registers, but share the same memory address and name. When writing to the shared register, the data is stored in the transmit buffer, and when reading from it, the data is read from the receive buffer. When using 9-bit words, the 9th bit is transmitted and read using one of the configuration registers. | The transmit and receive buffers are physically separate registers, but share the same memory address and name. When writing to the shared register, the data is stored in the transmit buffer, and when reading from it, the data is read from the receive buffer. When using 9-bit words, the 9th bit is transmitted and read using one of the configuration registers. | ||
| - | ~~PB~~ | + | < |
| <box 100% round # | <box 100% round # | ||