NXP Semiconductors LPC1768 - Bitfield Instructions

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User manual Rev. 3 — 20 December 2013 701 of 841
NXP Semiconductors
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Chapter 34: Appendix: Cortex-M3 user guide
34.2.8 Bitfield instructions
Table 621 shows the instructions that operate on adjacent sets of bits in registers or
bitfields:
Table 621. Packing and unpacking instructions
Mnemonic Brief description See
BFC Bit Field Clear Section 34.2.8.1
BFI Bit Field Insert Section 34.2.8.1
SBFX Signed Bit Field Extract Section 34.2.8.2
SXTB Sign extend a byte Section 34.2.8.3
SXTH Sign extend a halfword Section 34.2.8.3
UBFX Unsigned Bit Field Extract Section 34.2.8.2
UXTB Zero extend a byte Section 34.2.8.3
UXTH Zero extend a halfword Section 34.2.8.3