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HT46RU66 参数 Datasheet PDF下载

HT46RU66图片预览
型号: HT46RU66
PDF下载: 下载PDF文件 查看货源
内容描述: A / D型8位微控制器与LCD [A/D Type 8-Bit MCU with LCD]
分类和应用: 微控制器
文件页数/大小: 63 页 / 489 K
品牌: HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
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HT46RU66/HT46CU66  
SWAP [m]  
Description  
Operation  
Swap nibbles of Data Memory  
The low-order and high-order nibbles of the specified Data Memory are interchanged.  
[m].3~[m].0 « [m].7 ~ [m].4  
Affected flag(s)  
None  
SWAPA [m]  
Swap nibbles of Data Memory with result in ACC  
Description  
The low-order and high-order nibbles of the specified Data Memory are interchanged. The  
result is stored in the Accumulator. The contents of the Data Memory remain unchanged.  
Operation  
ACC.3 ~ ACC.0 ¬ [m].7 ~ [m].4  
ACC.7 ~ ACC.4 ¬ [m].3 ~ [m].0  
Affected flag(s)  
None  
SZ [m]  
Skip if Data Memory is 0  
Description  
If the contents of the specified Data Memory is 0, the following instruction is skipped. As  
this requires the insertion of a dummy instruction while the next instruction is fetched, it is a  
two cycle instruction. If the result is not 0 the program proceeds with the following instruc-  
tion.  
Operation  
Skip if [m] = 0  
None  
Affected flag(s)  
SZA [m]  
Skip if Data Memory is 0 with data movement to ACC  
Description  
The contents of the specified Data Memory are copied to the Accumulator. If the value is  
zero, the following instruction is skipped. As this requires the insertion of a dummy instruc-  
tion while the next instruction is fetched, it is a two cycle instruction. If the result is not 0 the  
program proceeds with the following instruction.  
Operation  
ACC ¬ [m]  
Skip if [m] = 0  
Affected flag(s)  
None  
SZ [m].i  
Skip if bit i of Data Memory is 0  
Description  
If bit i of the specified Data Memory is 0, the following instruction is skipped. As this re-  
quires the insertion of a dummy instruction while the next instruction is fetched, it is a two  
cycle instruction. If the result is not 0, the program proceeds with the following instruction.  
Operation  
Skip if [m].i = 0  
None  
Affected flag(s)  
TABRDC [m]  
Read table (current page) to TBLH and Data Memory  
Description  
The low byte of the program code (current page) addressed by the table pointer (TBLP) is  
moved to the specified Data Memory and the high byte moved to TBLH.  
Operation  
[m] ¬ program code (low byte)  
TBLH ¬ program code (high byte)  
Affected flag(s)  
None  
TABRDL [m]  
Read table (last page) to TBLH and Data Memory  
Description  
The low byte of the program code (last page) addressed by the table pointer (TBLP) is  
moved to the specified Data Memory and the high byte moved to TBLH.  
Operation  
[m] ¬ program code (low byte)  
TBLH ¬ program code (high byte)  
Affected flag(s)  
None  
Rev. 1.20  
58  
October 2, 2007  
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