Fujitsu MB91191 User Manual
260
CHAPTER 17 Serial I/O
Figure 17.4-8 Shift operation start/stop timing by chip select
●
External shift clock mode
Figure 17.4-9 Shift operation start/stop timing by external clock
#0
#1
#2
#3
#4
#5
#6
#7
#0
#1
#2
#3
#4
ST
SIF
SO
SCK
CSAF
SO
SCK
ST
XCS
SIF
XCS
CSAF
At 1 byte Transmission end
At 1 byte Transmission suspend
#0
#1
#2
#3
#4
#5
#6
#7
#0
#1
#2
#3
#4
#5
ST
SIF
SO
SCK
SIF
SO
SCK
ST
At 1 byte Transmission end
At 1 byte Transmission suspend