參數(shù)資料
型號(hào): AT80251G2D-SLSUM
廠商: Atmel
文件頁數(shù): 24/77頁
文件大?。?/td> 0K
描述: IC 8051 MCU ROMLESS 44PLCC
標(biāo)準(zhǔn)包裝: 972
系列: 8x251
核心處理器: C251
芯體尺寸: 8/16-位
速度: 24MHz
連通性: EBI/EMI,I²C,Microwire,SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器類型: ROMless
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
30
AT/TSC8x251G2D
4135F–8051–11/06
Table 25.
Summary of Move Instructions (1/3)
Notes: 1. A shaded cell denotes an instruction in the C51 Architecture.
2. Extended memory addressed is in the region specified by DPXL (reset value = 01h).
3. If this instruction addresses external memory location, add N+1 to the number of
states (N: number of wait states).
4. If this instruction addresses external memory location, add N+2 to the number of
states (N: number of wait states).
Move to High wordMOVH <dest>, <src>dest opnd31:16 ← src opnd
Move with Sign extensionMOVS <dest>, <src>dest opnd
← src opnd with sign extend
Move with Zero extensionMOVZ <dest>, <src>dest opnd
← src opnd with zero extend
Move CodeMOVC A, <src>(A)
← src opnd
Move eXtendedMOVX <dest>, <src>dest opnd
← src opnd
Mnemonic
<dest>,
<src>
(2)
Comments
Binary Mode
Source Mode
Bytes
States
Bytes
States
MOVH
DRk, #data16
16-bit immediate data into upper
word of dword register
53
4
2
MOVS
WRj, Rm
Byte register to word register with
sign extension
32
2
1
MOVZ
WRj, Rm
Byte register to word register with
zeros extension
32
2
1
MOVC
A, at A +DPTR
Code byte relative to DPTR to
ACC
16(3)
A, at A +PC
Code byte relative to PC to ACC
1
6(3)
16(3)
MOVX
A, at Ri
Extended memory (8-bit address)
to ACC(2)
14
1
5
A, at DPTR
Extended memory (16-bit
address) to ACC(2)
13(4)
at Ri, A
ACC to extended memory (8-bit
address)(2)
14
1
4
at DPTR, A
ACC to extended memory (16-bit
address)(2)
14(3)
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