Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet

SAM4E [DATASHEET]

Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14

290

FPCCR

Access: Read/Write

Reset: 0x000000000 

The FPCCR sets or returns FPU control data.



Enables CONTROL bit [2] setting on execution of a floating-point instruction. This results in an automatic hardware state 
preservation and restoration, for floating-point context, on exception entry and exit.

0: Disable CONTROL bit [2] setting on execution of a floating-point instruction.

1: Enable CONTROL bit [2] setting on execution of a floating-point instruction.



0: Disable automatic lazy state preservation for floating-point context.

1: Enable automatic lazy state preservation for floating-point context.



0: DebugMonitor is disabled or the priority did not permit to set MON_PEND when the floating-point stack frame was 
allocated.

1: DebugMonitor is enabled and the priority permitted to set MON_PEND when the floating-point stack frame was 
allocated.



0: BusFault is disabled or the priority did not permit to set the BusFault handler to the pending state when the floating-point 
stack frame was allocated.

1: BusFault is enabled and the priority permitted to set the BusFault handler to the pending state when the floating-point 
stack frame was allocated.



0: MemManage is disabled or the priority did not permit to set the MemManage handler to the pending state when the float-
ing-point stack frame was allocated.

1: MemManage is enabled and the priority permitted to set the MemManage handler to the pending state when the float-
ing-point stack frame was allocated.

31

30

29

28

27

26

25

24

ASPEN

LSPEN

–

23

22

21

20

19

18

17

16

–

15

14

13

12

11

10

9

8

–

MONRDY

7

6

5

4

3

2

1

0

–

BFRDY

MMRDY

HFRDY

THREAD

–

USER

LSPACT