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參數(shù)資料
| 型號(hào)： | HT47C20 |
| 廠商： | Holtek Semiconductor Inc. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 38/56頁 |
| 文件大小： | 352K |
| 代理商： | HT47C20 |
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Mnemonic
Description
Flag Affected
Data Move
MOV A,[m]
MOV [m],A
MOV A,x
Move data memory to ACC
Move ACC to data memory
Move immediate data to ACC
None
None
None
Bit Operation
CLR [m].i
SET [m].i
Clear bit of data memory
Set bit of data memory
None
None
Branch
JMP addr
SZ [m]
SZA [m]
SZ [m].i
SNZ [m].i
SIZ [m]
SDZ [m]
SIZA [m]
SDZA [m]
CALL addr
RET
RET A,x
RETI
Jump unconditional
Skip if data memory is zero
Skip if data memory is zero with data movement to ACC
Skip if bit i of data memory is zero
Skip if bit i of data memory is not zero
Skip if increment data memory is zero
Skip if decrement data memory is zero
Skip if increment data memory is zero with result in ACC
Skip if decrement data memory is zero with result in ACC
Subroutine call
Return from subroutine
Return from subroutine and load immediate data to ACC
Return from interrupt
None
None
None
None
None
None
None
None
None
None
None
None
None
Table Read
TABRDC [m]
TABRDL [m]
Read ROM code (current page) to data memory and TBLH
Read ROM code (last page) to data memory and TBLH
None
None
Miscellaneous
NOP
CLR [m]
SET [m]
CLR WDT
CLR WDT1
CLR WDT2
SWAP [m]
SWAPA [m]
HALT
No operation
Clear data memory
Set data memory
Clear watchdog timer
Pre-clear watchdog timer
Pre-clear watchdog timer
Swap nibbles of data memory
Swap nibbles of data memory with result in ACC
Enter power down mode
None
None
None
TO, PD
TO*, PD*
TO*, PD*
None
None
TO, PD
Note: x: 8 bits immediate data
m: 7 bits data memory address
A: accumulator
i: 0~7 number of bits
addr: 11 bits program memory address
: Flag is affected
: Flag is not affected
*: Flag may be affected by the execution status
HT47C20
38
January 18, 2000
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