HT48C10 datasheet(35/59 Pages) HOLTEK

35 / 59 page

CLR WDT1

Preclear watchdog timer

Description

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 execu-

tion of this instruction without the other preclear instruction sets the indi-

cated flag which implies that this instruction has been executed and the TO

and PD flags remain unchanged.

Operation

WDT and WDT Prescaler

← 00H*

PD and TO

← 0*

Affected flag(s)

TC2

TC1

–

–––

CLR WDT2

Preclear watchdog timer

Description

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 execu-

tion of this instruction without the other preclear instruction sets the indi-

cated flag which implies that this instruction has been executed and the TO

and PD flags remain unchanged.

Operation

WDT and WDT Prescaler

← 00H*

PD and TO

← 0*

Affected flag(s)

TC2

TC1

–

–––

CPL [m]

Complement data memory

Description

Each bit of the specified data memory is logically complemented (1’s comple-

ment). Bits which previously contained a one are changed to zero and

vice-versa.

Operation

[m]

← [m]

Affected flag(s)

TC2

TC1

–––

–

√

––

HT48CXX/HT48RXX

25th May ’99

HT48C10 데이터시트(PDF) 35 Page - Holtek Semiconductor Inc

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