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GMS37140T-DT 参数 Datasheet PDF下载

GMS37140T-DT图片预览
型号: GMS37140T-DT
PDF下载: 下载PDF文件 查看货源
内容描述: [Microcontroller, 4-Bit, OTPROM, 4MHz, CMOS, PDSO24, 0.300 INCH, SOP-24]
分类和应用: 计算机
文件页数/大小: 109 页 / 782 K
品牌: HYNIX [ HYNIX SEMICONDUCTOR ]
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Chapter 5. INSTRUCTION  
(26) DY  
Naming :  
Decrement Y-Register and Status 1 on Not Borrow  
Carry to status  
Status :  
Format :  
Function :  
Y
Y -1  
ST  
ST  
1 (when Y 1)  
0 (when Y = 0)  
<Purpose>  
<Comment>  
Data of the Y-register is decremented by one.  
Data of the Y-register is decremented by one by addition of  
minus 1 (Fh).  
Carry data as results is transferred to the status. When the  
results is equal to 15, the status is set to indicate that no  
borrow has not occurred.  
(27) EORM  
Naming :  
Status :  
Exclusive or Memory and Accumulator  
Set  
Format :  
Function :  
<Comment>  
A
M(X,Y) + A  
Data of the accumulator is, through a Exclusive OR,  
subtracted from the memory word addressed by X and Y-  
register. Results are stored into the accumulator.  
(28) NEGA  
Naming :  
Status :  
Negate Accumulator and Status 1 on Zero  
Carry to status  
Format :  
Function :  
A
A + 1  
ST  
ST  
1(when A = 0)  
0 (when A != 0)  
<Purpose>  
<Comment>  
The 2`s complement of a word in the accumulator is obtained.  
The 2`s complement in the accumulator is calculated by adding  
one to the 1`s complement in the accumulator. Results are  
stored into the accumulator. Carry data is transferred to the  
status. When data of the accumulator is zero, a carry is  
caused to set the status to 1 .  
5-13  
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