参数资料
型号: MCF5307FT90B
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 90 MHz, RISC PROCESSOR, PQFP208
封装: 28 X 28 MM, PLASTIC, QFP-208
文件页数: 8/30页
文件大小: 117K
代理商: MCF5307FT90B
16
MCF5307 Product Brief
MOTOROLA
Addressing Capability Summary
The MCF5307 processor supports seven addressing modes (refer to Table 2a).
The register indirect addressing modes support postincrement, predecrement,
offset, and indexing, which are particularly useful for handling data structures
common to sophisticated embedded applications and high-level languages.
The program counter indirect mode also has indexing and offset capabilities.
This addressing mode is typically required to support position-independent
software. As part of the indexed addressing mode, ColdFire supports an
optional scale factor which can be applied to the index register to easily
access byte, word or longword entries within an array (x1, x2, x4).
SUBFIELDS AND QUALIFIERS
#<data>
Immediate data following the 16-bit instruction word of the instruction
#<list>
List of registers for MOVEM instruction (example: D3-D0 = D3, D2, D1, D0)
#<vector>
Identifies a 4-bit vector number for TRAP instructions
()
Identifies an indirect operand address referencing memory
(xxx)
Identifies an absolute address referencing memory
<ea>
Effective address
<ea>y
Source effective address
<ea>x
Destination effective address
<label>
Assembly language program label
dn
Signed displacement Value, n Bits Wide (example: d16 is a 16-bit displacement).
+
Postincrement indicator
-
Predecrement indicator
SF
Scale factor (x1, x2, or x4 for indexed addressing modes, <<1 or >>1 for MAC ops)
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