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参数资料
| 型号： | MC68030RC40C |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 40 MHz, MICROPROCESSOR, CPGA128 |
| 封装： | LEAD FREE, PGA-128 |
| 文件页数： | 43/44页 |
| 文件大小： | 499K |
| 代理商： | MC68030RC40C |
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8
MC68EC030 TECHNICAL DATA
MOTOROLA
In addition, operations on other data types, such as memory addresses, status word data, etc., are
provided in the instruction set. The coprocessor mechanism allows direct support of floating-point data
types with the MC68881/MC68882 floating-point coprocessors as well as specialized user-defined data
types and functions. The 18 addressing modes, listed in Table 1, include nine basic types:
Register Direct
Register Indirect
Register Indirect with Index
Memory Indirect
Program Counter Indirect with Displacement
Program Counter Indirect with Index
Program Counter Memory Indirect
Absolute
Immediate
The register indirect addressing modes support postincrement, predecrement, offset, and indexing.
These capabilities are particularly useful for handling advanced data structures common to sophisticated
applications and high-level languages. The program counter relative mode also has index and offset
capabilities; this addressing mode is generally required to support position- independent software. In
addition to these addressing modes, the MC68EC030 provides data operand sizing and scaling; these
features provide performance enhancements to the programmer.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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