參數(shù)資料
型號(hào): AT80251G2D-SLSUM
廠商: Atmel
文件頁(yè)數(shù): 30/77頁(yè)
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
36
AT/TSC8x251G2D
4135F–8051–11/06
Table 29.
Summary of Conditional Jump Instructions (1/2)
Notes: 1. A shaded cell denotes an instruction in the C51 Architecture.
2. States are given as jump not-taken/taken.
3. In internal execution only, add 1 to the number of states of the ‘jump taken’ if the des-
tination address is internal and odd.
Jump conditional on statusJcc rel(PC)
← (PC) + size (instr);
IF [cc] THEN (PC)
← (PC) + rel
Mnemonic
<dest>,
<src>
(1)
Comments
Binary Mode
Source Mode
Bytes
States
Bytes
States
JC
rel
Jump if carry
2
1/4(3)
21/4(3)
JNC
rel
Jump if not carry
2
1/4(3)
21/4(3)
JE
rel
Jump if equal
3
2/5(3)
21/4(3)
JNE
rel
Jump if not equal
3
2/5(3)
21/4(3)
JG
rel
Jump if greater than
3
2/5(3)
21/4(3)
JLE
rel
Jump if less than, or equal
3
2/5(3)
21/4(3)
JSL
rel
Jump if less than (signed)
3
2/5(3)
21/4(3)
JSLE
rel
Jump if less than, or equal (signed)
3
2/5(3)
21/4(3)
JSG
rel
Jump if greater than (signed)
3
2/5(3)
21/4(3)
JSGE
rel
Jump if greater than or equal (signed)
3
2/5(3)
21/4(3)
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