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HT48CA3 Datasheet(PDF) 21 Page - Holtek Semiconductor Inc

No. de pieza HT48CA3
Descripción Electrónicos  8-Bit Remote Type MCU
PDF  36 Pages
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Fabricante Electrónico  HOLTEK [Holtek Semiconductor Inc]
Página de inicio  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT48CA3 Datasheet(HTML) 21 Page - Holtek Semiconductor Inc

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CLR [m].i
Clear bit of data memory
Description
The bit i of the specified data memory is cleared to 0.
Operation
[m].i
¬ 0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
¾¾¾¾¾¾
CLR WDT
Clear Watchdog Timer
Description
The WDT is cleared (clears the WDT). The power down bit (PD) and time-out bit (TO) are
cleared.
Operation
WDT
¬ 00H
PD and TO
¬ 0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾¾
00
¾¾¾¾
CLR WDT1
Preclear Watchdog Timer
Description
Together with CLR WDT2, clears the WDT. PD and TO are also cleared. Only execution of
this instruction without the other preclear instruction just sets the indicated flag which im-
plies this instruction has been executed and the TO and PD flags remain unchanged.
Operation
WDT
¬ 00H*
PD and TO
¬ 0*
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾¾
0*
0*
¾¾¾¾
CLR WDT2
Preclear Watchdog Timer
Description
Together with CLR WDT1, clears the WDT. PD and TO are also cleared. Only execution of
this instruction without the other preclear instruction, sets the indicated flag which implies
this instruction has been executed and the TO and PD flags remain unchanged.
Operation
WDT
¬ 00H*
PD and TO
¬ 0*
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾¾
0*
0*
¾¾¾¾
CPL [m]
Complement data memory
Description
Each bit of the specified data memory is logically complemented (1
¢s complement). Bits
which previously contained a 1 are changed to 0 and vice-versa.
Operation
[m]
¬ [m]
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
¾
¾
¾
¾
¾Ö¾
¾
HT48CA3
Rev. 1.40
21
July 16, 2003



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