st7pmc2s6 STMicroelectronics, st7pmc2s6 Datasheet - Page 63

• Manufacturer Part Number: st7pmc2s6
• Description: 8-bit Mcu For Automotive With Nested Interrupts, Flash, 10-bit Adc, Brushless Motor Control, 5 Timers, Spi, Linsci?
• Manufacturer: STMicroelectronics

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