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HCS12 Datasheet(PDF) 237 Page - Freescale Semiconductor, Inc

Part # HCS12
Description  HCS12 Microcontrollers
PDF  452 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

HCS12 Datasheet(HTML) 237 Page - Freescale Semiconductor, Inc

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Glossary
S12CPUV2 Reference Manual, Rev. 4.0
Freescale Semiconductor
237
Operation:
(M : M + 11) ⇒ M : M + 12
Description:
Moves the content of one 16-bit location in memory to another 16-bit
location in memory. The content of the source memory location is not
changed.
Move instructions use separate addressing modes to access the source and
destination of a move. The following combinations of addressing modes are
supported: IMM–EXT, IMM–IDX, EXT–EXT, EXT–IDX, IDX–EXT, and
IDX–IDX. IDX operands allow indexed addressing mode specifications that
fit in a single postbyte including 5-bit constant, accumulator offsets, and
auto increment/decrement modes. Nine-bit and 16-bit constant offsets
would require additional extension bytes and are not allowed. Indexed
indirect modes (for example [D,r]) are also not allowed.
There are special considerations when using PC-relative addressing with
move instructions. These are discussed in 3.10 Instructions Using
Multiple Modes.
MOVW
Move a Word of Data
from One Memory Location to Another
MOVW
CCR Details:
S
X
HIN
Z
V
C
––––––––
Source Form(1)
1. The first operand in the source code statement specifies the source for the move.
Address
Mode
Object Code
Access Detail
HCS12
M68HC12
MOVW #opr16i, opr16a
MOVW #opr16i, oprx0_xysp
MOVW opr16a, opr16a
MOVW opr16a, oprx0_xysp
MOVW oprx0_xysp, opr16a
MOVW oprx0_xysp, oprx0_xysp
IMM–EXT
IMM–IDX
EXT–EXT
EXT–IDX
IDX–EXT
IDX–IDX
18 03 jj kk hh ll
18 00 xb jj kk
18 04 hh ll hh ll
18 01 xb hh ll
18 05 xb hh ll
18 02 xb xb
OPWPO
OPPW
ORPWPO
OPRPW
ORPWP
ORPWO
OPWPO
OPPW
ORPWPO
OPRPW
ORPWP
ORPWO



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