參數(shù)資料
型號(hào)： HT47C20
廠商： Holtek Semiconductor Inc.
元件分類： 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)： 53/56頁(yè)
文件大?。?/td> 352K
代理商： HT47C20
SUB A,x
Subtract immediate data from accumulator
Description
The immediate data specified by the code is subtracted from the contents
of the accumulator, leaving the result in the accumulator.
Operation
ACC
ACC+x+1
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
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 and place result in accumulator
Description
The low-order and high-order nibbles of the specified data memory are
interchanged, 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
Ifthecontentsofthespecifieddatamemoryiszero,thefollowinginstruc-
tion, fetched during the current instruction execution, is discarded and a
dummycycleisreplacedtogettheproperinstruction.Thisisa2-cyclein-
struction. Otherwise proceed with the next instruction.
Operation
Skip if [m]=0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
HT47C20
53
January 18, 2000
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參數(shù)描述
HT47C20_02 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:8-Bit R-F Type Mask MCU
HT47C20-1 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:R-F Type 8-Bit MCU
HT47C20-1_08 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:R-F Type 8-Bit MCU
HT47C20L 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:8-Bit Microcontroller
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