Datasheet

MSP430 and MSP430X Instructions

www.ti.com

Table 4-11. Description of the Extension Word Bits for Register Mode (continued)

Bit Description

A/L Data length extension. Together with the B/W bits of the following MSP430 instruction, the AL bit defines the used data

length of the instruction.

A/L B/W Comment

0 0 Reserved

0 1 20-bit address word

1 0 16-bit word

1 1 8-bit byte

5:4 Reserved

3:0 Repetition count

# = 0 These four bits set the repetition count n. These bits contain n – 1.

# = 1 These four bits define the CPU register whose bits 3:0 set the number of repetitions. Rn.3:0 contain n – 1.

148

CPUX SLAU144J–December 2004–Revised July 2013

Submit Documentation Feedback