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ST7MC1K2-Auto Folha de dados(PDF) 63 Page - STMicroelectronics

Nome de Peças ST7MC1K2-Auto
Descrição Electrónicos  Clock, reset and supply management
PDF  371 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7MC1K2-Auto Folha de dados(HTML) 63 Page - STMicroelectronics

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Obsolete
Product(s)
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Product(s)
ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto
Interrupts
63/371
7.4
Concurrent and nested management
Figure 18 and Figure 19 show two different interrupt management modes. The first is called
concurrent mode and does not allow an interrupt to be interrupted, unlike the nested mode
in Figure 19. The interrupt hardware priority is given in this order from the lowest to the
highest: MAIN, IT4, IT3, IT2, IT1, IT0, MCES. The software priority is given for each
interrupt.
Warning:
A stack overflow may occur without notifying the software of
the failure.
Figure 18.
Concurrent interrupt management
Figure 19.
Nested interrupt management
MAIN
IT4
IT2
IT1
MCES
IT1
MAIN
IT0
I1
Software
3
3
3
3
3
3/0
3
11
11
11
11
11
11/10
11
RIM
IT3
I0
10
priority
level
MAIN
IT2
MCES
MAIN
IT0
3
2
1
3
3
3/0
3
11
00
01
11
11
11
RIM
IT1
IT4
IT4
IT1
IT2
IT3
I1
I0
11/10
10
Software
priority
level
Obsolete
Product(s)
- Obsolete
Product(s)



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