MSP430F6779A Datasheet, PDF (66/176 Pages) Texas Instruments – Polyphase Metering SoCs

MSP430F6779A, MSP430F6778A, MSP430F6777A, MSP430F6776A, MSP430F6775A
MSP430F6769A, MSP430F6768A, MSP430F6767A, MSP430F6766A, MSP430F6765A
MSP430F6749A, MSP430F6748A, MSP430F6747A, MSP430F6746A, MSP430F6745A
SLAS982 – MAY 2014
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6.4 Instruction Set
The instruction set consists of the original 51 instructions with three formats and seven address modes
and additional instructions for the expanded address range. Each instruction can operate on word and
byte data. Table 6-1 shows examples of the three types of instruction formats; Table 6-2 shows the
address modes.
Table 6-1. Instruction Word Formats
INSTRUCTION WORD FORMAT
Dual operands, source-destination
Single operands, destination only
Relative jump, un/conditional
EXAMPLE
ADD R4,R5
CALL R8
JNE
OPERATION
R4 + R5 → R5
PC → (TOS), R8 → PC
Jump-on-equal bit = 0
ADDRESS MODE
S ⁽¹⁾
Register
+
Indexed
+
Symbolic (PC relative)
+
Absolute
+
Indirect
+
Indirect autoincrement
+
Immediate
+
(1) S = source, D = destination
Table 6-2. Address Mode Descriptions
D ⁽¹⁾
SYNTAX
+
MOV Rs,Rd
+
MOV X(Rn),Y(Rm)
+
MOV EDE,TONI
+
MOV & MEM, & TCDAT
MOV @Rn,Y(Rm)
EXAMPLE
MOV R10,R11
MOV 2(R5),6(R6)
MOV @R10,Tab(R6)
MOV @Rn+,Rm
MOV @R10+,R11
MOV #X,TONI
MOV #45,TONI
OPERATION
R10 → R11
M(2+R5) → M(6+R6)
M(EDE) → M(TONI)
M(MEM) → M(TCDAT)
M(R10) → M(Tab+R6)
M(R10) → R11
R10 + 2 → R10
#45 → M(TONI)
66
Detailed Description
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MSP430F6769A MSP430F6768A MSP430F6767A MSP430F6766A MSP430F6765A MSP430F6749A
MSP430F6748A MSP430F6747A MSP430F6746A MSP430F6745A