mc68hc912dg128 Freescale Semiconductor, Inc, mc68hc912dg128 Datasheet - Page 32

• Manufacturer Part Number: mc68hc912dg128
• Description: M68hc12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Central Processing Unit
Technical Data
32
(auto post-increment)
(auto pre-decrement)
(auto pre-increment)
(accumulator offset)
Addressing Mode
Indexed-Indirect
Indexed-Indirect
(D accumulator
(16-bit offset)
(16-bit offset)
(5-bit offset)
(9-bit offset)
decrement)
(auto post-
Immediate
Extended
Inherent
Relative
Indexed
Indexed
Indexed
Indexed
Indexed
Indexed
Indexed
Indexed
offset)
Direct
(no externally supplied
INST [oprx16,xysp]
Table 2-1. M68HC12 Addressing Mode Summary
INST oprx16,xysp
INST oprx5,xysp
INST oprx3,–xys
INST oprx3,+xys
INST oprx3,xys–
INST oprx3,xys+
INST oprx9,xysp
Source Format
INST abd,xysp
INST [D,xysp]
INST #opr16i
INST opr16a
INST #opr8i
INST opr8a
INST rel16
operands)
INST rel8
Freescale Semiconductor, Inc.
INST
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or
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Central Processing Unit
Abbreviation
[D,IDX]
[IDX2]
IDX1
IDX2
IMM
EXT
REL
INH
DIR
IDX
IDX
IDX
IDX
IDX
IDX
Operand is the lower 8-bits of an address in the
An 8-bit or 16-bit relative offset from the current
5-bit signed constant offset from x, y, sp, or pc
9-bit signed constant offset from x, y, sp, or pc
(lower 8-bits of offset in one extension byte)
Operand is included in instruction stream
Auto post-decrement x, y, or sp by 1 ~ 8
16-bit constant offset from x, y, sp, or pc
16-bit constant offset from x, y, sp, or pc
Auto pre-decrement x, y, or sp by 1 ~ 8
Auto post-increment x, y, or sp by 1 ~ 8
Indexed with 8-bit (A or B) or 16-bit (D)
Operands (if any) are in CPU registers
Auto pre-increment x, y, or sp by 1 ~ 8
accumulator offset from x, y, sp, or pc
(16-bit offset in two extension bytes)
(16-bit offset in two extension bytes)
8- or 16-bit size implied by context
x, y, sp, or pc plus the value in D
Pointer to operand is found at...
Pointer to operand is found at...
pc is supplied in the instruction
Operand is a 16-bit address
range $0000 – $00FF
MC68HC912DG128 — Rev 3.0
Description
MOTOROLA