MSP430 datasheet(37/96 Pages) TI2

37 / 96 page

MSP430G2533, MSP430G2433, MSP430G2333, MSP430G2233

MSP430G2403, MSP430G2303, MSP430G2203

www.ti.com

SLAS734G – APRIL 2011 – REVISED APRIL 2016

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MSP430G2203

Detailed Description

6.2

Instruction Set

The instruction set consists of 51 instructions with three formats and seven address modes. Each

instruction can operate on word and byte data. Table 6-1 lists examples of the three types of instruction

formats. Table 6-2 lists the address modes.

Table 6-1. Instruction Word Formats

INSTRUCTION FORMAT

EXAMPLE

OPERATION

Dual operands, source-destination

ADD R4,R5

R4 + R5

→ R5

Single operands, destination only

CALL R8

→ (TOS), R8 → PC

Relative jump, unconditional or conditional

JNE

Jump-on-equal bit = 0

(1)

S = source, D = destination

Table 6-2. Address Mode Descriptions

ADDRESS MODE

S(1)

SYNTAX

EXAMPLE

OPERATION

✓

MOV Rs,Rd

MOV R10,R11

R10

→ R11

Indexed

✓

MOV X(Rn),Y(Rm)

MOV 2(R5),6(R6)

M(2+R5)

→ M(6+R6)

Symbolic (PC relative)

✓

MOV EDE,TONI

M(EDE)

→ M(TONI)

Absolute

✓

MOV &MEM,&TCDAT

M(MEM)

→ M(TCDAT)

Indirect

✓

MOV @Rn,Y(Rm)

MOV @R10,Tab(R6)

M(R10)

→ M(Tab+R6)

Indirect autoincrement

✓

MOV @Rn+,Rm

MOV @R10+,R11

M(R10)

→ R11

R10 + 2

→ R10

Immediate

✓

MOV #X,TONI

MOV #45,TONI

#45

→ M(TONI)

MSP430 Datasheet(PDF) 37 Page - Texas Instruments

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