ST7FLITE25F1B6 Datasheet, PDF (48/166 Pages) STMicroelectronics – 8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, Timers, SPI

Interrupts
ST7LITE20F2 ST7LITE25F2 ST7LITE29F2
Table 12. Interrupt mapping
No.
Source
block
Description
Register
label
Priority
order
Exit from
HALT or
AWUF
Exit
from
ACTIVE-
HALT
Address
vector
RESET Reset
N/A
TRAP Software interrupt
0
AWU Auto-wakeup interrupt
AWUCSR
1
ei0 External interrupt 0
2
ei1 External interrupt 1
3
ei2 External interrupt 2
Highest
N/A
priority
4
ei3 External interrupt 3
5 Lite timer LITE TIMER RTC2 interrupt
LTCSR2
6
Not used
7
SI
AVD interrupt
SICSR
AT TIMER output compare
8
interrupt or input capture
AT timer _interrupt
PWMxCSR
or ATCSR
9
AT TIMER overflow interrupt
10
LITE TIMER input capture
Lite timer ^interrupt
11
LITE TIMER RTC1 interrupt
ATCSR
LTCSR
Lowest
priority
LTCSR
12
SPI SPI peripheral interrupts
SPICSR
13
Not used
1. This interrupt exits the MCU from “Auto-wakeup from HALT” mode only.
yes
no
yes ⁽¹⁾
yes
no
no
yes
yes FFFEh-FFFFh
FFFCh-FFFDh
FFFAh-FFFBh
FFF8h-FFF9h
no
FFF6h-FFF7h
FFF4h-FFF5h
FFF2h-FFF3h
FFF0h-FFF1h
FFEEh-FFEFh
FFECh-FFEDh
no
FFEAh-FFEBh
yes FFE8h-FFE9h
no FFE6h-FFE7h
yes FFE4h-FFE5h
no FFE2h-FFE3h
FFE0h-FFE1h
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Doc ID 8349 Rev 5