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EU1010_09 参数 Datasheet PDF下载

EU1010_09图片预览
型号: EU1010_09
PDF下载: 下载PDF文件 查看货源
内容描述: 8位MCU ,10位A / D转换器 [8-bit MCU with 10-bit A/D Converter]
分类和应用: 转换器
文件页数/大小: 21 页 / 746 K
品牌: EOREX [ EOREX CORPORATION ]
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eorex  
EU1010  
MCU Description  
Item  
Abbreviation  
Description  
The EU1010 has an 8-bit register used for data hold,  
exchange, arithmetic, transfer and I/O operation.  
Accumulator  
ACC  
In EU1010 that builds in two index registers ( X and Y ).  
These two index registers could be used to count program  
steps or to provide an index value to be used in generating as  
effective address.  
Index Register  
(X,Y)  
When executing an instruction which specifies indexed  
addressing, the MCU fetches the operation code and the  
base address, and modifies the address by adding the index  
register to its prior to perform the desired operation. Per or  
post-index of indirect address is possible.  
The EU1010 includes some special function control registers  
in zero-page. For more detailed information about the special  
function registers, please refer to next section.  
Special Function  
Register  
SFR  
SP  
The stack pointer is an 8-bit register that is used to control  
the addressing of the variable-length stack. The stack pointer  
is automatically incremented and decremented under control  
of the microprocessor the perform stack manipulations under  
direction of either the program or interrupts. The stack allows  
a simple implementation of nested subroutines and multiple  
level interrupts. The stack pointer is initialized by the user’s  
software.  
Stack pointer  
register  
The 14-bit program counter register provides the address  
that step the microprocessor through sequential program  
instructions.  
Program counter  
PC  
P
The 8-bit status flag register contains seven status flags.  
Some of the flags are controlled by the program and others  
may be controlled both by the program and the MCU.  
Instruction set contains a number of conditional branch  
instructions that are designed to allow testing of these flags.  
Program Flag  
Register  
Feb.2009  
www.eorex.com  
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