Fujitsu FR81S Manuel D’Utilisation
CHAPTER 40: MULTI-FUNCTION SERIAL INTERFACE
6. Operation of CSIO
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : MULTI-FUNCTION SERIAL INTERFACE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
242
FIFO Used
(Master side)
Start
Operating format
setting
Sets N byte to
transmission FIFO and
writes
“0” to FDRQ bit
RDRF=1
(Slave side)
Data
transmission
transmission
Start
RDRF=1
Yes
Yes
No
No
Data transmission
(ANS)
Enables transmissions/
reception FIFO
Reading and processing for
FBYTE setting value
Reading and processing for
FIFOBYTE setting value
Set N byte to
transmission FIFO and
writes
“0” to FDRQ bit
Operating format setting
(the same setting as master side)
Reception FBYTE setting
Enables transmissions/
reception FIFO
Reception FBYTE setting
MB91520 Series
MN705-00010-1v0-E
1555