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/*--------- 8051內核特殊功能寄存器 -------------*/
sfr ACC = 0xE0; //累加器
sfr B = 0xF0; //B 寄存器
sfr PSW = 0xD0; //程序狀態字寄存器
sbit CY = PSW^7; //進位標志位
sbit AC = PSW^6; //輔助進位標志位
sbit F0 = PSW^5; //用戶標志位0
sbit RS1 = PSW^4; //工作寄存器組選擇控制位
sbit RS0 = PSW^3; //工作寄存器組選擇控制位
sbit OV = PSW^2; //溢出標志位
sbit F1 = PSW^1; //用戶標志位1
sbit P = PSW^0; //奇偶標志位
sfr SP = 0x81; //堆棧指針寄存器
sfr DPL = 0x82; //數據指針0低字節
sfr DPH = 0x83; //數據指針0高字節
/*------------ 系統管理特殊功能寄存器 -------------*/
sfr PCON = 0x87; //電源控制寄存器
sfr AUXR = 0x8E; //輔助寄存器
sfr AUXR1 = 0xA2; //輔助寄存器1
sfr WAKE_CLKO = 0x8F; //時鐘輸出和喚醒控制寄存器
sfr CLK_DIV = 0x97; //時鐘分頻控制寄存器
sfr BUS_SPEED = 0xA1; //總線速度控制寄存器
/*----------- 中斷控制特殊功能寄存器 --------------*/
sfr IE = 0xA8; //中斷允許寄存器
sbit EA = IE^7; //總中斷允許位
sbit ELVD = IE^6; //低電壓檢測中斷控制位
8051
標簽：
80C51
特殊功能寄存器
地址
上傳時間：
2013-10-30
上傳用戶：yxgi5
-
摘要: 串行傳輸技術具有更高的傳輸速率和更低的設計成本, 已成為業界首選, 被廣泛應用于高速通信領域。提出了一種新的高速串行傳輸接口的設計方案, 改進了Aurora 協議數據幀格式定義的弊端, 并采用高速串行收發器Rocket I/O, 實現數據率為2.5 Gbps的高速串行傳輸。關鍵詞: 高速串行傳輸; Rocket I/O; Aurora 協議
為促使FPGA 芯片與串行傳輸技術更好地結合以滿足市場需求, Xilinx 公司適時推出了內嵌高速串行收發器RocketI/O 的Virtex II Pro 系列FPGA 和可升級的小型鏈路層協議———Aurora 協議。Rocket I/O支持從622 Mbps 至3.125 Gbps的全雙工傳輸速率, 還具有8 B/10 B 編解碼、時鐘生成及恢復等功能, 可以理想地適用于芯片之間或背板的高速串行數據傳輸。Aurora 協議是為專有上層協議或行業標準的上層協議提供透明接口的第一款串行互連協議, 可用于高速線性通路之間的點到點串行數據傳輸, 同時其可擴展的帶寬, 為系統設計人員提供了所需要的靈活性[4]。但該協議幀格式的定義存在弊端,會導致系統資源的浪費。本文提出的設計方案可以改進Aurora 協議的固有缺陷,提高系統性能, 實現數據率為2.5 Gbps 的高速串行傳輸, 具有良好的可行性和廣闊的應用前景。
標簽：
Rocket
2.5
高速串行
收發器
上傳時間：
2013-11-06
上傳用戶：smallfish
-
摘要: 串行傳輸技術具有更高的傳輸速率和更低的設計成本, 已成為業界首選, 被廣泛應用于高速通信領域。提出了一種新的高速串行傳輸接口的設計方案, 改進了Aurora 協議數據幀格式定義的弊端, 并采用高速串行收發器Rocket I/O, 實現數據率為2.5 Gbps的高速串行傳輸。關鍵詞: 高速串行傳輸; Rocket I/O; Aurora 協議
為促使FPGA 芯片與串行傳輸技術更好地結合以滿足市場需求, Xilinx 公司適時推出了內嵌高速串行收發器RocketI/O 的Virtex II Pro 系列FPGA 和可升級的小型鏈路層協議———Aurora 協議。Rocket I/O支持從622 Mbps 至3.125 Gbps的全雙工傳輸速率, 還具有8 B/10 B 編解碼、時鐘生成及恢復等功能, 可以理想地適用于芯片之間或背板的高速串行數據傳輸。Aurora 協議是為專有上層協議或行業標準的上層協議提供透明接口的第一款串行互連協議, 可用于高速線性通路之間的點到點串行數據傳輸, 同時其可擴展的帶寬, 為系統設計人員提供了所需要的靈活性[4]。但該協議幀格式的定義存在弊端,會導致系統資源的浪費。本文提出的設計方案可以改進Aurora 協議的固有缺陷,提高系統性能, 實現數據率為2.5 Gbps 的高速串行傳輸, 具有良好的可行性和廣闊的應用前景。
標簽：
Rocket
2.5
高速串行
收發器
上傳時間：
2013-10-13
上傳用戶：lml1234lml
-
ADOM+設計篇意在測試com+的事務處理能否正確執行。
將組件安裝后，在組件服務中該com+組件的屬性設置中將“激活”頁的“啟用對象池”選項選中，執行客戶端程序調用上面這個方法，發現com+的事務機制不能正確執行，數據會寫入數據庫中。如果不選中“啟用對象池”，則一切正常，數據并不會寫到數據庫中。
說明：Translation DataModule的設置，事務屬性：requires a transaction,允許object pooling，pooled設為true,無論將AutoComplete設為True或False都會出現上述情況。
該問題最先由ytwxw (wxw) 提出，至今尚未有結論，我也發現類似問題。我倆探討后無法解決，特在此再開一貼。請各路com+高手幫忙解答!
標簽：
ADOM
com
測試
事務處理
上傳時間：
2015-07-20
上傳用戶：520
-
JavaServer Pages Software and OODB
This tutorial covers Deploying Dynamic Sites Using Page Compilation, JavaServer PagesTM Software and an Object Oriented Database
標簽：
JavaServer
Deploying
Software
tutorial
上傳時間：
2016-03-11
上傳用戶：13215175592
-
The paper describes the concept and realization of the DOOCS control software for FPGAbased
TESLA cavity controller and simulator (SIMCON). It bases on universal software
components, created for laboratory purposes and used in MATLAB based control
environment. These modules have been recently adapted to the DOOCS environment to
ensure a unified software to hardware communication model. The presented solution can be
also used as a general platform for control algorithms development. The proposed interfaces
between MATLAB and DOOCS modules allow to check the developed algorithm in the
operation environment before implementation in the FPGA. As the examples two systems
have been presented.
標簽：
realization
FPGAbased
describes
the
上傳時間：
2017-04-16
上傳用戶：koulian
-
Two scripts are included here.
1. convsys.m - combines the state space representation of two systems connected in series.
[Ao,Bo,Co,Do]=convsys(A1,B1,C1,D1,A2,B2,C2,D2)
This algorithm gives the convolution of two state space representations
| A1 B1 | | A2 B2 |
u ==> | | ==> | | ==> y
| C1 D1 | | C2 D2 |
The algorithm also accepts state space objects as inputs and gives out a state space object as output.
2. sysfeedbk.m
[Ao,Bo,Co,Do]=convsys(A1,B1,C1,D1,A2,B2,C2,D2)
Gives the closed loop state space representation for two systems connected with negative feedback in the following manner.
| A1 B1 |
u ==> | | ==> y
+ o | C1 D1 | |
- | |
| | A2 B2 | |
|= | |= |
| C2 D2 |
The zip file also contains checkcompatibility.m , which checks the compatibility of matrix dimensions in the system and cleanss.m which can be used to clean a state space representation.
標簽：
representation
included
combines
scripts
上傳時間：
2017-07-25
上傳用戶：semi1981
-
Nature is seldom kind. One of the most appealing uses for radio-
telephone systems—communication with people on the move—must over-
come radio transmission problems so difficult they challenge the imagina-
tion. A microwave radio signal transmitted between a fixed base station
and a moving vehicle in a typical urban environment exhibits extreme
variations in both amplitude and apparent frequency.
標簽：
Communications
Microwave
Mobile
上傳時間：
2020-05-28
上傳用戶：shancjb
-
Under the Energy Independence and Security Act of 2007 (EISA), the National Institute of
Standards and Technology (NIST) was assigned “primary responsibility to coordinate
development of a framework that includes protocols and model standards for information
management to achieve interoperability of Smart Grid devices and systems…” [EISA Section
1305]. 35 This responsibility comes at a time when the electric power grid and electric power
industry are undergoing the most dramatic transformation in many decades. Very significant
investments are being made by industry and the federal government to modernize the power grid.
To realize the full benefits of these investments—and the continued investments forecast for the
coming decades—there is a continued need to establish effective smart grid 36 standards and
protocols for interoperability.
標簽：
Framework
Roadmap
NIST
and
上傳時間：
2020-06-07
上傳用戶：shancjb
-
以STC12C5A60S2單片機為控制核心,采用2.4G(JF24D)無線遙控模塊進行無線發射與接收,設計了一種雙電機遙控船模控制系統.該系統通過切換檔桿實現前進后退,方向盤左右轉動、暫停按鈕等控制直流電機的正轉、反轉、暫停,使得電機驅動的遙控船模實現前進后退、左右轉向、暫停等功能,有效解決了驅動功率小和船模之間相互干擾等問題,可廣泛應用于遙控船模領域.Using STC12C5A60S2 single-chip microcomputer as the controller and 2.4 G(JF24D)wireless remote control module for wireless transmission and reception, a dual-motor remote control ship model control system is designed. The system realizes forward and backward by switching the gear lever. The steering wheel rotates left and right and the pause button controls the forward, reverse and pause of the dc motor. The remote controller of ship model driven by the motor realizes forward and backward, left and right steering, pause and other functions. The ship model control system can effectively solve the problems of small driving power and mutual interference between ship models, and can be widely used in the field of remote controller of ship model.
標簽：
電機
遙控船模
控制系統
上傳時間：
2022-03-27
上傳用戶：
