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ST72325AR7-Auto датащи(PDF) 60 Page - STMicroelectronics

номер детали ST72325AR7-Auto
подробное описание детали  SCI asynchronous serial interface
PDF  243 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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ST72325AR7-Auto датащи(HTML) 60 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
Interrupts
ST72325xxx-Auto
60/243
Doc ID 13770 Rev 3
Otherwise, the software priority stays unchanged up to the next interrupt request (after the
IRET of the interrupt x).
Note:
During the execution of an interrupt routine, the HALT, POPCC, RIM, SIM and WFI
instructions change the current software priority up to the next IRET instruction or one of the
previously mentioned instructions.
Table 20.
Interrupt dedicated instruction set
Instruction
New description
Function/Example
I1
H
I0
N
Z
C
HALT
Entering Halt mode
1
0
IRET
Interrupt routine return
Pop CC, A, X, PC
I1
H
I0
N
Z
C
JRM
Jump if I1:0 = 11 (level 3)
I1:0 = 11 ?
JRNM
Jump if I1:0 <> 11
I1:0 <> 11 ?
POP CC
Pop CC from the Stack
Mem => CC
I1
H
I0
N
Z
C
RIM
Enable interrupt (level 0 set)
Load 10 in I1:0 of CC
1
0
SIM
Disable interrupt (level 3 set) Load 11 in I1:0 of CC
1
1
TRAP
Software trap
Software NMI
1
1
WFI
Wait for interrupt
1
0



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