Holtek BS82B12A-3 - Page 153

Rev. 1.20 152 January 23, 2015 Rev. 1.20 153 January 23, 2015
BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
Mnemonic Description Cycles Flag Affected
Data Move
MOV A,[m] Move Data Memory to ACC 1 None
MOV [m],A Move ACC to Data Memory 1
Note
None
MOV A,x Move immediate data to ACC 1 None
Bit Operation
CLR [m].i
Clear bit of Data Memory 1
Note
None
SET [m].i
Set bit of Data Memory 1
Note
None
Branch
JMP addr Jump unconditionally 2 None
SZ [m]
Skip if Data Memory is zero 1
Note
None
SZA [m]
Skip if Data Memory is zero with data movement to ACC 1
Note
None
SZ [m].i
Skip if bit i of Data Memory is zero 1
Note
None
SNZ [m].i
Skip if bit i of Data Memory is not zero 1
Note
None
SIZ [m]
Skip if increment Data Memory is zero 1
Note
None
SDZ [m]
Skip if decrement Data Memory is zero 1
Note
None
SIZA [m]
Skip if increment Data Memory is zero with result in ACC 1
Note
None
SDZA [m]
Skip if decrement Data Memory is zero with result in ACC 1
Note
None
CALL addr Subroutine call 2 None
RET
Return from subroutine 2 None
RET A,x Return from subroutine and load immediate data to ACC 2 None
RETI
Return from interrupt 2 None
Table Read
TABRD [m] Read table (specic page) to TBLH and Data Memory 2
Note
None
TABRDC [m]
Read table (current page) to TBLH and Data Memory 2
Note
None
TABRDL [m]
Read table (last page) to TBLH and Data Memory 2
Note
None
Miscellaneous
NOP
No operation 1 None
CLR [m]
Clear Data Memory 1
Note
None
SET [m]
Set Data Memory 1
Note
None
CLR WDT
Clear Watchdog Timer 1 TO, PDF
CLR WDT1 Pre-clear Watchdog Timer 1 TO, PDF
CLR WDT2 Pre-clear Watchdog Timer 1 TO, PDF
SWAP [m] Swap nibbles of Data Memory 1
Note
None
SWAPA [m]
Swap nibbles of Data Memory with result in ACC 1 None
HALT
Enter power down mode 1 TO, PDF
Note:1.Forskipinstructions,iftheresultofthecomparisoninvolvesaskipthentwocyclesarerequired,ifno
skiptakesplaceonlyonecycleisrequired.
2.AnyinstructionwhichchangesthecontentsofthePCLwillalsorequire2cyclesforexecution.
3.Forthe"CLRWDT1"and"CLRWDT2"instructionstheTOandPDFflagsmaybeaffectedbythe
executionstatus.TheTOandPDFflagsareclearedafterboth"CLRWDT1"and"CLRWDT2"
instructionsareconsecutivelyexecuted.OtherwisetheTOandPDFagsremainunchanged.