參數資料
型號： EVAL-ADUC842QSPZ
廠商： Analog Devices Inc
文件頁數： 8/88頁
文件大小： 0K
描述： KIT DEV QUICK START ADUC842
標準包裝： 1
系列： QuickStart™ PLUS 套件
類型： MCU
適用于相關產品： ADuC842
所含物品： 評估板、電源、纜線、軟件、仿真器和說明文檔
ADuC841/ADuC842/ADuC843
Rev. 0 | Page 16 of 88
FUNCTIONAL DESCRIPTION
8052 INSTRUCTION SET
Table 4 documents the number of clock cycles required for each
instruction. Most instructions are executed in one or two clock
cycles, resulting in a 16 MIPS peak performance when operating
at PLLCON = 00H on the ADuC842/ADuC843. On the ADuC841,
20 MIPS peak performance is possible with a 20 MHz external
crystal.
Table 4. Instructions
Mnemonic
Description
Bytes
Cycles
Arithmetic
ADD A,Rn
Add register to A
1
ADD A,@Ri
Add indirect memory to A
1
2
ADD A,dir
Add direct byte to A
2
ADD A,#data
Add immediate to A
2
ADDC A,Rn
Add register to A with carry
1
ADDC A,@Ri
Add indirect memory to A with carry
1
2
ADDC A,dir
Add direct byte to A with carry
2
ADD A,#data
Add immediate to A with carry
2
SUBB A,Rn
Subtract register from A with borrow
1
SUBB A,@Ri
Subtract indirect memory from A with borrow
1
2
SUBB A,dir
Subtract direct from A with borrow
2
SUBB A,#data
Subtract immediate from A with borrow
2
INC A
Increment A
1
INC Rn
Increment register
1
INC @Ri
Increment indirect memory
1
2
INC dir
Increment direct byte
2
INC DPTR
Increment data pointer
1
3
DEC A
Decrement A
1
DEC Rn
Decrement register
1
DEC @Ri
Decrement indirect memory
1
2
DEC dir
Decrement direct byte
2
MUL AB
Multiply A by B
1
9
DIV AB
Divide A by B
1
9
DA A
Decimal adjust A
1
2
Logic
ANL A,Rn
AND register to A
1
ANL A,@Ri
AND indirect memory to A
1
2
ANL A,dir
AND direct byte to A
2
ANL A,#data
AND immediate to A
2
ANL dir,A
AND A to direct byte
2
ANL dir,#data
AND immediate data to direct byte
3
ORL A,Rn
OR register to A
1
ORL A,@Ri
OR indirect memory to A
1
2
ORL A,dir
OR direct byte to A
2
ORL A,#data
OR immediate to A
2
ORL dir,A
OR A to direct byte
2
ORL dir,#data
OR immediate data to direct byte
3
XRL A,Rn
Exclusive-OR register to A
1
XRL A,@Ri
Exclusive-OR indirect memory to A
2
XRL A,#data
Exclusive-OR immediate to A
2
XRL dir,A
Exclusive-OR A to direct byte
2
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