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146
CHAPTER 7 INTERRUPT
7.6.4
Procedure for using the Extended Intelligent I/O Service
(EI
2
OS)
Before the extended intelligent I/O service (EI
2
OS) an be used, the system stack area,
extended intelligent I/O service (EI
2
OS) descriptor, interrupt function, and interrupt
control register (ICR) must be set.
■
Procedure for using the Extended Intelligent I/O Service (EI
2
OS)
Figure 7.6-8 shows the EI
2
OS software and hardware processing.
Figure 7.6-8 Procedure for using the Extended Intelligent I/O Service (EI
2
OS)
S
t
a
rt
S
oftware proce
ss
in
g
Hardware proce
ss
in
g
S
et the
s
y
s
tem
s
t
a
ck
a
re
a
S
et the EI
2
O
S
de
s
criptor
Initi
a
lize the peripher
a
l
f
u
nction
S
et the interr
u
pt control
regi
s
ter (ICR)
S
et the
bu
ilt-in re
s
o
u
rce to
s
t
a
rt oper
a
tion.
S
et the
interr
u
pt en
ab
le
b
it
S
et the ILM
a
nd I in the P
S
Exec
u
te the
us
er progr
a
m
Tr
a
n
s
fer d
a
t
a
(Br
a
nch to interr
u
pt vector)
S
1,
S
0 = 01 or
S
1,
S
0 = 11
Decide whether to end
co
u
nting or to
b
r
a
nch to
a
n
interr
u
pt re
qu
e
s
ted
b
y the
re
s
o
u
rce
S
et the extended intelligent
I/O
s
ervice
a
g
a
in (
s
witch
ch
a
nnel
s
)
Proce
ss
d
a
t
a
in the
bu
ffer
RETI
I
S
E: EI
2
O
S
en
ab
le
b
it in the interr
u
pt control regi
s
ter (ICR)
S
1,
S
0: EI
2
O
S
s
t
a
t
us
of the interr
u
pt control regi
s
ter (ICR)
YE
S
NO
(Interr
u
pt re
qu
e
s
t)
a
nd (I
S
E = 1)
Initi
a
liz
a
-
tion
S
1,
S
0 = 00
Содержание MB90460 Series
Страница 1: ...The following document contains information on Cypress products ...
Страница 3: ......
Страница 5: ......
Страница 9: ...iv ...
Страница 41: ...22 CHAPTER 1 OVERVIEW ...
Страница 45: ...26 CHAPTER 2 NOTES ON HANDLING DEVICES ...
Страница 83: ...64 CHAPTER 3 CPU ...
Страница 95: ...76 CHAPTER 4 RESET ...
Страница 107: ...88 CHAPTER 5 CLOCK ...
Страница 131: ...112 CHAPTER 6 LOW POWER CONSUMPTION MODE ...
Страница 175: ...156 CHAPTER 7 INTERRUPT ...
Страница 181: ...162 CHAPTER 8 MODE SETTING ...
Страница 223: ...204 CHAPTER 9 I O PORT ...
Страница 237: ...218 CHAPTER 10 TIME BASE TIMER ...
Страница 247: ...228 CHAPTER 11 WATCHDOG TIMER ...
Страница 275: ...256 CHAPTER 12 16 BIT RELOAD TIMER ...
Страница 373: ...354 CHAPTER 14 MULTI FUNCTIONAL TIMER ...
Страница 485: ...466 CHAPTER 16 PWC Timer ...
Страница 531: ...512 CHAPTER 17 UART ...
Страница 559: ...540 CHAPTER 19 DELAYED INTERRUPT GENERATOR MODULE ...
Страница 589: ...570 CHAPTER 20 8 10 BIT A D CONVERTER ...
Страница 601: ...582 CHAPTER 21 ROM CORRECTION FUNCTION ...
Страница 633: ...614 CHAPTER 23 512K 1024K BIT FLASH MEMORY ...
Страница 645: ...626 CHAPTER 24 EXAMPLE OF F2 MC 16LX MB90F462 F462A F463A CONNECTION FOR SERIAL WRITING ...
Страница 715: ...696 APPENDIX ...
Страница 716: ...697 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
Страница 739: ......