Fujitsu FR81S User Manual
CHAPTER 40: MULTI-FUNCTION SERIAL INTERFACE
6. Operation of CSIO
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : MULTI-FUNCTION SERIAL INTERFACE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
180
6.1.
Interrupts of CSIO
Interrupts of CSIO are shown.
The interrupts for the CSIO (clock synchronous serial interface) include reception and transmission
interrupts. An interrupt request can be generated using 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
1493