參數(shù)資料
型號(hào)： HT49C50
廠商： Holtek Semiconductor Inc.
元件分類(lèi)： 8位微控制器
英文描述： 8-BIT MICROCONTROLLER
中文描述： 8位微控制器
文件頁(yè)數(shù)： 49/52頁(yè)
文件大?。?/td> 318K
代理商： HT49C50
SWAP [m]
Swap nibbles within the data memory
Description
The low-order and high-order nibbles of the specified data memory (one of
the data memories) are interchanged.
Operation
[m].3~[m].0
[m].7~[m].4
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SWAPA [m]
Swap data memory-place result in the accumulator
Description
The low-order and high-order nibbles of the specified data memory are inter-
changed, writing the result to the accumulator. The contents of the data
memory remain unchanged.
Operation
ACC.3~ACC.0
ACC.7~ACC.4
[m].7~[m].4
[m].3~[m].0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SZ [m]
Skip if data memory is zero
Description
If the contents of the specified data memory are zero, the following instruc-
tion, fetched during the current instruction execution, is discarded and a
dummy cycle is replaced to get the proper instruction (two cycles). Otherwise
proceed with the next instruction (one cycle).
Operation
Skip if [m]=0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SZA [m]
Move data memory to ACC, skip if zero
Description
The contents of the specified data memory are copied to the accumulator. If
the contents is zero, the following instruction, fetched during the current in-
struction execution, is discarded and a dummy cycle is replaced to get the
proper instruction (two cycles). Otherwise proceed with the next instruction
(one cycle).
Operation
Skip if [m]=0, ACC
[m]
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
HT49C50
49
August 18, 1999
相關(guān)PDF資料
PDF描述
HT49R50A 8-Bit High Performance High speed Microcontroller(8位、高性能、高速微控制器)
HT49R50 8-BIT MICROCONTROLLER
HT5D048 0.8m CMOS High Speed Gate Array(0.8m CMOS高速門(mén)陣列)
HT5D028 0.8m CMOS High Speed Gate Array(0.8m CMOS高速門(mén)陣列)
HT5D064 0.8m CMOS High Speed Gate Array(0.8m CMOS高速門(mén)陣列)
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HT49C50-80QFP 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Microcontroller
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