参数资料
型号: AT80251G2D-SLRUM
厂商: Atmel
文件页数: 28/77页
文件大小: 0K
描述: IC 8051 MCU ROMLESS 44PLCC
标准包装: 500
系列: 8x251
核心处理器: C251
芯体尺寸: 8/16-位
速度: 24MHz
连通性: EBI/EMI,I²C,Microwire,SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 32
程序存储器类型: ROMless
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 带卷 (TR)
34
AT/TSC8x251G2D
4135F–8051–11/06
Table 27.
Summary of Bit Instructions
Notes: 1. A shaded cell denotes an instruction in the C51 Architecture.
2. If this instruction addresses an I/O Port (Px, x = 0-3), add 1 to the number of states.
Add 2 if it addresses a Peripheral SFR.
3. If this instruction addresses an I/O Port (Px, x = 0-3), add 2 to the number of states.
Add 3 if it addresses a Peripheral SFR.
Clear BitCLR <dest>dest opnd
← 0
Set BitSETB <dest>dest opnd
← 1
Complement BitCPL <dest>dest opnd
← bit
AND Carry with BitANL CY, <src>(CY)
← (CY) ∧ src opnd
AND Carry with Complement of BitANL CY, /<src>(CY)
← (CY) ∧ src opnd
OR Carry with BitORL CY, <src>(CY)
← (CY) ∨ src opnd
OR Carry with Complement of BitORL CY, /<src>(CY)
← (CY) ∨ src opnd
Move Bit to CarryMOV CY, <src>(CY)
← src opnd
Move Bit from CarryMOV <dest>, CYdest opnd
← (CY)
Mnemonic
<dest>,
<src>
(1)
Comments
Binary Mode
Source Mode
Bytes
States
Bytes
States
CLR
CY
Clear carry
1
bit51
Clear direct bit
2
2(3)
22(3)
bit
Clear direct bit
4
4(3)
33(3)
SETB
CY
Set carry
1
111
bit51
Set direct bit
2
2(3)
22(3)
bit
Set direct bit
4
4(3)
33(3)
CPL
CY
Complement carry
1
bit51
Complement direct bit
2
2(3)
22(3)
bit
Complement direct bit
4
4(3)
33(3)
ANL
CY, bit51
And direct bit to carry
2
1(2)
21(2)
CY, bit
And direct bit to carry
4
3(2)
32(2)
CY, /bit51
And complemented direct bit to
carry
21(2)
CY, /bit
And complemented direct bit to
carry
43(2)
32(2)
ORL
CY, bit51
Or direct bit to carry
2
1(2)
21(2)
CY, bit
Or direct bit to carry
4
3(2)
32(2)
CY, /bit51
Or complemented direct bit to
carry
21(2)
CY, /bit
Or complemented direct bit to
carry
43(2)
32(2)
MOV
CY, bit51
Move direct bit to carry
2
1(2)
21(2)
CY, bit
Move direct bit to carry
4
3(2)
32(2)
bit51, CY
Move carry to direct bit
2
2(3)
22(3)
bit, CY
Move carry to direct bit
4
4(3)
33(3)
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