Energy Meter IC Family Software Instruction Manual

71M652X Software User’s Guide

Revision 1.7 TERIDIAN Proprietary 112 of 138

Mnemonic Description Code Bytes Cycles

MOV A,Rn Move register to accumulator E8-EF 1 1

MOV A,direct Move direct byte to accumulator E5 2 2

MOV A,@Ri Move indirect RAM to accumulator E6-E7 1 2

MOV A,#data Move immediate data to accumulator 74 2 2

MOV Rn,A Move accumulator to register F8-FF 1 2

MOV Rn,direct Move direct byte to register A8-AF 2 4

MOV Rn,#data Move immediate data to register 78-7F 2 2

MOV direct,A Move accumulator to direct byte F5 2 3

MOV direct,Rn Move register to direct byte 88-8F 2 3

MOV direct1,direct2 Move direct byte to direct byte 85 3 4

MOV direct,@Ri Move indirect RAM to direct byte 86-87 2 4

MOV direct,#data Move immediate data to direct byte 75 3 3

MOV @Ri,A Move accumulator to indirect RAM F6-F7 1 3

MOV @Ri,direct Move direct byte to indirect RAM A6-A7 2 5

MOV @Ri,#data Move immediate data to indirect RAM 76-77 2 3

MOV DPTR,#data16 Load data pointer with a 16-bit constant 90 3 3

MOVC A,@A+DPTR Move code byte relative to DPTR to accumulator 93 1 3

MOVC A,@A+PC Move code byte relative to PC to accumulator 83 1 3

MOVX A,@Ri Move external RAM (8-bit addr.) to A E2-E3 1 3-10

MOVX A,@DPTR Move external RAM (16-bit addr.) to A E0 1 3-10

MOVX @Ri,A Move A to external RAM (8-bit addr.) F2-F3 1 4-11

MOVX @DPTR,A Move A to external RAM (16-bit addr.) F0 1 4-11

PUSH direct Push direct byte onto stack C0 2 4

POP direct Pop direct byte from stack D0 2 3

XCH A,Rn Exchange register with accumulator C8-CF 1 2

XCH A,direct Exchange direct byte with accumulator C5 2 3

XCH A,@Ri Exchange indirect RAM with accumulator C6-C7 1 3

XCHD A,@Ri Exchange low-order nibble indirect RAM with A D6-D7 1 3

Table 6-11: Data Transfer Operations