ht82k68a Holtek Semiconductor Inc., ht82k68a Datasheet - Page 21

• Manufacturer Part Number: ht82k68a
• Description: Ht82k68a -- Multimedia Keyboard Encoder 8-bit Mask Mcu
• Manufacturer: Holtek Semiconductor Inc.

CLR [m].i
Description
Operation
Affected flag(s)
CLR WDT
Description
Operation
Affected flag(s)
CLR WDT1
Description
Operation
Affected flag(s)
CLR WDT2
Description
Operation
Affected flag(s)
CPL [m]
Description
Operation
Affected flag(s)
Rev. 1.70
Clear bit of data memory
The bit i of the specified data memory is cleared to 0.
[m].i
Clear Watchdog Timer
The WDT is cleared (clears the WDT). The power down bit (PDF) and time-out bit (TO) are
cleared.
WDT
PDF and TO
Preclear Watchdog Timer
Together with CLR WDT2, clears the WDT. PDF 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 PDF flags remain unchanged.
WDT
PDF and TO
Preclear Watchdog Timer
Together with CLR WDT1, clears the WDT. PDF and TO are also cleared. Only execution
of this instruction without the other preclear instruction, sets the indicated flag which im-
plies this instruction has been executed and the TO and PDF flags remain unchanged.
WDT
PDF and TO
Complement data memory
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.
[m]
TO
TO
TO
TO
TO
0*
0*
0
[m]
0
00H
00H*
00H*
PDF
PDF
PDF
PDF
PDF
0*
0*
0
0
0*
0*
OV
OV
OV
OV
OV
21
Z
Z
Z
Z
Z
AC
AC
AC
AC
AC
C
C
C
C
C
December 26, 2005
HT82K68A