HT82K68 Holtek Semiconductor Inc, HT82K68 Datasheet - Page 26

• Manufacturer Part Number: HT82K68
• Description: Multimedia Keyboard Encoder OTP
• Manufacturer: Holtek Semiconductor Inc

CLR WDT1
Description
Operation
Affected flag(s)
CLR WDT2
Description
Operation
Affected flag(s)
CPL [m]
Description
Operation
Affected flag(s)
Preclear Watchdog Timer
The TD, PD flags, WDT and the WDT Prescaler has cleared (re-counting
from zero), if the other preclear WDT instruction has been executed. Only ex-
ecution of this instruction without the other preclear instruction sets the in-
dicated flag which implies that this instruction has been executed and the
TO and PD flags remain unchanged.
WDT and WDT Prescaler ¬ 00H*
PD and TO ¬ 0*
Preclear Watchdog Timer
The TO, PD flags, WDT and the WDT Prescaler are cleared (re-counting
from zero), if the other preclear WDT instruction has been executed. Only ex-
ecution of this instruction without the other preclear instruction sets the in-
dicated flag which implies that this instruction has been executed and the
TO and PD flags remain unchanged.
WDT and WDT Prescaler ¬ 00H*
PD and TO ¬ 0*
Complement data memory
Each bit of the specified data memory is logically complemented (1¢s comple-
ment). Bits which previously contained a 1 are changed to 0 and vice-versa.
[m] ¬ [m]
TC2
TC2
TC2
¾
¾
¾
TC1
TC1
TC1
¾
¾
¾
TO
TO
TO
0*
0*
¾
Preliminary
PD
PD
PD
0*
0*
¾
26
OV
OV
OV
¾
¾
¾
¾
¾
Z
Z
Z
Ö
AC
AC
AC
¾
¾
¾
¾
¾
¾
C
C
C
HT82K68E
August 8, 2000