Fujitsu FR81S User Manual
CHAPTER 40: MULTI-FUNCTION SERIAL INTERFACE
5. Operation of UART
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : MULTI-FUNCTION SERIAL INTERFACE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
139
5.1.
Interrupt of UART
Interrupt of UART is shown.
There are interrupts for both transmission and reception in UART. You can generate an interrupt request for
the following factors.
⋅
Setting of reception data in the receive data register (RDR) or occurrence of a reception error
⋅
Start of transmission after transfer of transmission data from the transmit data register (TDR) to the
transmit shift register
⋅
Transmission bus idle (no transmission operation)
⋅
Transmission FIFO data request
MB91520 Series
MN705-00010-1v0-E
1452