Setting Procedure Of Extended Intelligent I/O Service (Ei 2 Os) - Fujitsu F2MC-16LX Hardware Manual

3.7.4 Setting procedure of Extended Intelligent I/O Service
2
(EI OS)
The Extended Intelligent I/O service (EI
Intelligent I/O service (EI
register (ICR).
I Setting procedure of Extended Intelligent I/O Service (EI
Figure 3.7-8 Setting procedure of Extended Intelligent I/O Service (EI
Set the ILM and I in the PS
2
ISE : EI
2
S1, S0 : EI
2
OS) descriptor, peripheral resource, and interrupt control
Software processing
Start
Set the system stack area
2
Set the EI OS descriptor
Initialize the peripheral
function
Set the interrupt control
register (ICR)
Set the built-in resource to
start operation. Set the
interrupt enable bit
(Interrupt request) and (ISE = "1")
Execute the user program
(Branch to interrupt vector)
Set the extended intelligent
I/O service again (switch
channels)
Process data in the buffer
RETI
OS enable bit in the interrupt control register (ICR)
OS status of the interrupt control register (ICR)
2
OS) is set by the system stack area, Extended
2
OS)
Hardware processing
Transfer data
Decide whether to end
counting or to branch to an
interrupt requested by the
resource
S1, S0 = "01
B
S1, S0 = "11
B
CHAPTER 3 INTERRUPT
2
OS)
S1, S0 = "00 "
B
NO
YES
" or
"
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