Fujitsu FR60 Hardware Manual page 411

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[Bit 1] RXE (Receiver Enable)

This bit controls the UART receive operation.

If a receive operation is disabled while it is in progress (while data is being inputted to the receive

shift register), reception of the frame is completed. The receive operation is stopped when the

received data is stored in the receive data buffer register (SIDR).

[Bit 0] TXE (Transmitter Enable)

This bit controls the UART send operation.

If a send operation is disabled while it is in progress (while data is being outputted from the

transmission register), sending is stopped when no more send data is stored in the send data buffer

Disables receive operation. [initial value]

Enables receive operation.

Disables send operation. [initial value]

Enables send operation.

Mb91350a series