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

SAM4E [DATASHEET]

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

168

Examples

SXTAH

R4, R8, R6, ROR #16 ; Rotates R6 right by 16 bits, obtains bottom

; halfword, sign extends to 32 bits, adds

; R8,and writes to R4

UXTAB

R3, R4, R10

; Extracts bottom byte of R10 and zero extends

; to 32 bits, adds R4, and writes to R3.

The table below shows the instructions that operate on adjacent sets of bits in registers or bitfields.

BFC

Bit Field Clear

BFI

Bit Field Insert

SBFX

Signed Bit Field Extract

SXTB

Sign extend a byte

SXTH

Sign extend a halfword

UBFX

Unsigned Bit Field Extract

UXTB

Zero extend a byte

UXTH

Zero extend a halfword