参数资料
型号: ST72311R9T3/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
封装: 14 X 14 MM, TQFP-64
文件页数: 79/152页
文件大小: 1909K
代理商: ST72311R9T3/XXX
ST72311R, ST72511R, ST72532R
32/152
INTERRUPTS (Cont’d)
Table 6. Dedicated Interrupt Instruction Set
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.
In order not to lose the current software priority level, the RIM, SIM, HALT, WFI and POP CC instructions should never
be used in an interrupt routine.
Table 7. Interrupt Mapping
Note 1: Valid for HALT and ACTIVE-HALT modes except for the MCC/RTC interrupt source which exits
from ACTIVE-HALT mode only.
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
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
TRAP
Software trap
Software NMI
1
WFI
Wait for interrupt
1
0
Source
Block
Description
Register
Label
Priority
Order
Exit
from
HALT 1)
Address
Vector
RESET
Reset
N/A
Highest
Priority
Lowest
Priority
yes
FFFEh-FFFFh
TRAP
Software Interrupt
no
FFFCh-FFFDh
0
TLI
External Top Level Interrupt
MISCR2
yes
FFFAh-FFFBh
1
MCC/RTC
Main Clock Controller Time Base Interrupt
MCCSR
FFF8h-FFF9h
2
ei0
External Interrupt Port A3..0
N/A
FFF6h-FFF7h
3
ei1
External Interrupt Port F2..0
FFF4h-FFF5h
4
ei2
External Interrupt Port B3..0
FFF2h-FFF3h
5
ei3
External Interrupt Port B7..4
FFF0h-FFF1h
6
CAN
CAN Peripheral Interrupts
CANISR
FFEEh-FFEFh
7
SPI
SPI Peripheral Interrupts
SPISR
no
FFECh-FFEDh
8
TIMER A
TIMER A Peripheral Interrupts
TASR
FFEAh-FFEBh
9
TIMER B
TIMER B Peripheral Interrupts
TBSR
FFE8h-FFE9h
10
SCI
SCI Peripheral Interrupts
SCISR
FFE6h-FFE7h
11
EEPROM
EEPROM Interrupt
EECSR
FFE4h-FFE5h
12
Not Used
FFE2h-FFE3h
13
PWM ART
PWM ART Overflow Interrupt
ARTCSR
Yes
FFE0h-FFE1h
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