15. USART MC97F6108A User’s manual
UCTRL2 (USART Control 2 Register) FBH
Interrupt enable bit for USART Data Register Empty.
Interrupt from UDRE is inhibited (use polling)
When UDRE is set, request an interrupt
Interrupt enable bit for Transmit Complete.
Interrupt from TXC is inhibited (use polling)
When TXC is set, request an interrupt
Interrupt enable bit for Receive Complete
Interrupt from RXC is inhibited (use polling)
When RXC is set, request an interrupt
Interrupt enable bit for Asynchronous Wake in STOP mode. When device
is in stop mode, if RXD2 goes to LOW level an interrupt can be requested
to wake-up system.
Interrupt from Wake is inhibited
When WAKE is set, request an interrupt
NOTE: WAKEIE must set after USARTEN setting ‘1’.
Enables the transmitter unit.
Enables the receiver unit.
Activate USART2 module by supplying clock.
USART2 is disabled (clock is halted)
This bit only has effect for the asynchronous operation and selects
receiver sampling rate.
Normal asynchronous operation
Double Speed asynchronous operation