Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos

 54

SAM4S [DATASHEET]

11100E–ATARM–24-Jul-13

IPSR

Access: Read-write

Reset: 0x000000000

The IPSR contains the exception type number of the current Interrupt Service Routine (ISR). 

0 = Thread mode

1 = Reserved

2 = NMI

3 = Hard fault

4 = Memory management fault

5 = Bus fault

6 = Usage fault

7-10 = Reserved

11 = SVCall

12 = Reserved for Debug

13 = Reserved

14 = PendSV

15 = SysTick

16 = IRQ0 

50 = IRQ34

See 

31

30

29

28

27

26

25

24

–

23

22

21

20

19

18

17

16

–

15

14

13

12

11

10

9

8

–

ISR_NUMBER

7

6

5

4

3

2

1

0

ISR_NUMBER