O'Reilly logo

The Definitive Guide to the ARM Cortex-M3, 2nd Edition by Joseph Yiu

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

APPENDIX D

Nested Vectored Interrupt Controller and System Control Block Registers Quick Reference

Table D.1

Interrupt Controller Type Register (0xE000E004)

BitsNameTypeReset ValueDescription
4:0INTLINESNUMRNumber of interrupt inputs in steps of 320 = 1–321 = 33–64…

Image

Table D.2

Auxiliary Control Register (0xE000E008)

BitsNameTypeReset ValueDescription
2DISFOLDR/W0When this bit is set, it disables the overlapping of the IT execution cycle with another instruction. The overlapping (called IT folding) is an optimization to allow faster execution of conditional execution.
1DISDEFWBUFR/W0When this bit is set, it disables the use of write buffers within the ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required