Datasheet

ManualsBrandsMICROCHIP TECHNOLOGY ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller TFBGA 100 (9x9) 32-Bit 48 MHz I/O number 79

46

11011B–ATARM–21-Feb-12

SAM3N

10.4.3.5 Program Status Register

The Program Status Register (PSR) combines:

• Application Program Status Register (APSR)

• Interrupt Program Status Register (IPSR)

• Execution Program Status Register (EPSR).

These registers are mutually exclusive bitfields in the 32-bit PSR. The bit assignments are:

• APSR:

• IPSR:

• EPSR:

31 30 29 28 27 26 25 24

N Z C V Q Reserved

23 22 21 20 19 18 17 16

Reserved

15 14 13 12 11 10 9 8

Reserved

76543210

Reserved

31 30 29 28 27 26 25 24

Reserved

23 22 21 20 19 18 17 16

Reserved

15 14 13 12 11 10 9 8

Reserved

ISR_NUMBER

76543210

ISR_NUMBER

31 30 29 28 27 26 25 24

Reserved ICI/IT T

23 22 21 20 19 18 17 16

Reserved

15 14 13 12 11 10 9 8

ICI/IT Reserved

76543210

Reserved