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参数资料
| 型号： | AT87251G2D-SLSUM |
| 厂商： | ATMEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | B/16-BIT MICROCONTROLLER WITH SERIAL COMMUNICATION INTERFACES |
| 中文描述： | 16-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PQCC44 |
| 封装： | GREEN, PLASTIC, LCC-44 |
| 文件页数： | 38/76页 |
| 文件大小： | 1175K |
| 代理商： | AT87251G2D-SLSUM |
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38
AT/TSC8x251G2D
4135D–8051–08/05
Add 3 if it addresses a Peripheral SFR.
5. If this instruction addresses an I/O Port (Px, x = 0-3), add 3 to the number of states.
Add 5 if it addresses a Peripheral SFR.
6. In internal execution only, add 1 to the number of states of the ‘jump taken’ if the des-
tination address is internal and odd.
Table 31.
Summary of Unconditional Jump Instructions
Notes:
1. A shaded cell denotes an instruction in the C51 Architecture.
2. In internal execution only, add 1 to the number of states if the destination address is
internal and odd.
3. Add 2 to the number of states if the destination address is external.
4. Add 3 to the number of states if the destination address is external.
Absolute jumpAJMP <src>(PC)
←
(PC) +2; (PC)
10:0
←
src opnd
Extended jumpEJMP <src>(PC)
←
(PC) + size (instr); (PC)
23:0
←
src opnd
Long jumpLJMP <src>(PC)
←
(PC) + size (instr); (PC)
15:0
←
src opnd
Short jumpSJMP rel(PC)
←
(PC) +2; (PC)
←
(PC) +rel
Jump indirectJMP at A +DPTR(PC)
23:16
←
FFh; (PC)
15:0
←
(A) + (DPTR)
No operationNOP(PC)
←
(PC) +1
Mnemonic
<dest>,
<src>
(1)
Comments
Binary Mode
Source Mode
Bytes
States
Bytes
States
AJMP
addr11
Absolute jump
2
3
(2)(3)
2
3
(2)(3)
EJMP
addr24
Extended jump
5
6
(2)(4)
4
5
(2)(4)
at DRk
Extended jump (indirect)
3
7
(2)(4)
2
6
(2)(4)
LJMP
at WRj
Long jump (indirect)
3
6
(2)(4)
2
5
(2)(4)
addr16
Long jump (direct address)
3
5
(2)(4)
3
5
(2)(4)
SJMP
rel
Short jump (relative address)
2
4
(2)(4)
2
4
(2)(4)
JMP
at A +DPTR
Jump indirect relative to the DPTR
1
5
(2)(4)
1
5
(2)(4)
NOP
No operation (Jump never)
1
1
1
1
相关PDF资料 |
PDF描述 |
|---|---|
| AT80251G2D | B/16-BIT MICROCONTROLLER WITH SERIAL COMMUNICATION INTERFACES |
| AT80251G2D-3CSUM | B/16-BIT MICROCONTROLLER WITH SERIAL COMMUNICATION INTERFACES |
| AT80251G2D-RLTUL | B/16-BIT MICROCONTROLLER WITH SERIAL COMMUNICATION INTERFACES |
| AT80251G2D-RLTUM | CONNECTORS, INDUSTRIAL; SERIES:97/MS; CONNECTOR TYPE:CIRCULAR; ER 3C 3#8 SKT RECP BOX |
| AT80251G2D-SLSUL | ER 3C 3#8 SKT RECP BOX |
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| AT-879/ARC | 制造商: 功能描述: 制造商:undefined 功能描述: |
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