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Instruction Set Description

4.6.3 MSP430X Extended Instructions

The MSP430X extended instructions give the MSP430X CPU full access to its 20-bit address space.

MSP430X instructions require an additional word of op-code called the extension word. All addresses,

indexes, and immediate numbers have 20-bit values when preceded by the extension word. The

MSP430X extended instructions are described in the following sections. For MSP430X instructions that do

not require the extension word, it is noted in the instruction description.

See Section 4.6.2 for standard MSP430 instructions and Section 4.6.4 for MSP430X address instructions.

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SLAU144J–December 2004–Revised July 2013 CPUX

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