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, 0x33333333data 4, 0x021b4824, 0x 33333333DATA 4, 0x021b4828, 0x33333333data 4, 0x021b08b8, 0x00000800data 4, 0x021b48b8, 0x00000800data 4, 0x021b0004, 0x00 020036DATA 4, 0x021b0008, 0x09444040data 4, 0x021b000c, 0x8a8f7955data 4, 0x021b0010, 0xff328f64data 4, 0x021b0014, 0x01FF 00DBDATA 4, 0x021b0018,0x00001740data 4, 0x021b001c, 0x00008000data 4, 0x021b002c, 0x000026d2data 4, 0x021b0030, 0x008f1023data 4, 0x021b0040, 0x 00000047DATA 4, 0x021b0000, 0x841a0000data 4, 0x021b001c, 0x04088032data
I. Introduction to DMA As a technology used to transmit data between CPUs and peripherals, DMA is widely used in various computer architectures. Its biggest advantage is that it can transmit data from memory to peripherals without CPU interference. This article describes how to operate the DMA controller in s5pc100. ExamplesCodeAll are verified on the fs_s5pc100 platform. On the far-sighted fs_s5pc100 platform of Huaqing, The pl330 DMA controller enables multiple DMA transmission modes, includi
You can go to the Web address online to browse the corresponding datasheet: Http://infocentre.arm.com/help/index.jsp?topic=/com.arm.doc.set.primecell/index.html You can also go to the URL in which to download the corresponding PDF version of the datasheet: --------------------------------------------------------------------------------------------------------------- -----AMBA Controllers and peripherals ARM Document set for ARM AMBA peripherals, intellectual property (IP) macro units for on-chip
tcp_recvspace 65536 rfc1323 0lo0: flags=e08084b,c0 inet 127.0.0.1 netmask 0xff000000 broadcast 127.255.255.255 inet6 ::1%1/0 tcp_sendspace 131072 tcp_recvspace 131072 rfc1323 1xifenfei01/asmdisks#netstat -in Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll en7 1500 link#2 0.11.25.bd.b8.7a 107 0 132 2 0 en7 1500 10.70.89.96 10.70.89.100 107 0 132 2 0 en6
Ethernet frame, and then forwarded to the next hop, RT4 received data directly forwarded to the corresponding interface, and then sent to RT5 response packet, the above process of the inverse process!Supplement: several tags that the E-LSR may distribute when the last-to-second hop pops upLabel 3 is implicitly empty label (no label is added for upstream LSR, And the outermost layer MPLS label is displayed)Label 0 IPV4 display empty label (upstream LSR will add label 0, after the E-LSR receives,
project, for example, include QT5 Library and test app to check frame buffer Device later. I covered this topics in my previous post, so I wont repeat it here.Build Petalinux project, create BOOT. BIN and copy it together with the Linux image file ' Image.ub ' on SD card:Petalinux-buildPetalinux-package--boot--FSBL. /zedboard-hdmi-fsbl/release/zedboard-hdmi-fsbl.elf--FPGA. /zedboard-hdmi-hw/system_top.bit--uboot--force-o images/linux/boot. BIN Insert SD card into slots of Zedboard and turn i
guarantee consistency with its cache. For multiple cluster, the AMBA4 ACE protocal (AXI coherency Extensions) can be implemented.1) Ace and Ace-lite, introduced system-level Coherency,cache MAINTENANCE,DVM (Distributed virtual memory), barrier transaction support.2) The Ace itself is support for the 5 state of the Moesi cache coherency model, master can support Mesi,moesi,mei, etc., are compatible ,3) ace needs to be used with the specified system in
MTUIt is the abbreviation of maximum transmission unit, which is the largest transmission unit.Maximum packet transmitted over the networkIn bytes. Ethernet imposes a limit on the length of data frames. The maximum value is 1500. This feature is called MTU. Most of different types of networks have an upper limit. If an IP packet is to be transmitted on the IP layer and the data length is greater than the MTU value on the link layer, the packet must be
:1500 metric:1 RX packets:3058 errors:0 dropped:0 overruns:0 frame:0 TX packets:2715 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:355994 (3 47.6 KiB) TX bytes:263751 (257.5 KiB) lo Link encap:local Loopback inet addr:127.0.0.1 mask:255.0.0.0 Inet6 addr::: 1/128 scope:host up LOOPBACK RUNNING mtu:65536 metric:1 RX packets:12 errors:0 D ropped:0 overruns:0 frame:0 TX packets:12 errors
configThis command shows non-default invocations only.Use 'show config all' to show both default and non-default deployments..............................Begin!# ***** NON-DEFAULT CONFIGURATION *****!!# Time: Thu May 2 2002, 01:26:26!# Version 5.5 (14)!!# SystemSet system name comment st6500!#!# VtpSet vtp mode transparentSet vlan 1 name default type ethernet mtu 1500 said 100001 state activeSet vlan 2 name VLAN0002 type ethernet mtu
larger than 1500 bytes. The transmission layer of the sender node divides the data into smaller data slices, and arranges a serial number for each data segment so that the data can reach the transmission layer of the receiver node, the process can be reorganized in the correct order, which is called sorting. It uses the maximum transmission unit value that sends a group to the network interface on the link. All parts of the original group are marked,
, ' 1981-06-09 ', 2450, NULL, 10);Insert into EMP (ENo, ename, Ejob, Emgr, Ehiredate, Esal, Ecomm, Dp_no) VALUES (7788, ' SCOTT ', ' ANALYST ', 7566, ' 1987-04-19 ', +, NULL, 20);Insert into EMP (ENo, ename, Ejob, Emgr, Ehiredate, Esal, Ecomm, Dp_no) VALUES (7839, ' KING ', ' president ', NULL, ' 1981-11-1 7 ', +, NULL, 10);Insert into EMP (ENo, ename, Ejob, Emgr, Ehiredate, Esal, Ecomm, Dp_no) VALUES (7844, ' TURNER ', ' Esalesman ', 7698, ' 1981-09 -08 ',
Oracle query syntax 1. Select * from EMP; 2. Select empno, ename, job from EMP; 3. Select empno number, ename name, job from EMP; 4. Select job from EMP; 5. Select distinct job from EMP; 6. Select distinct empno, job from EMP;Note: Because employee numbers are not repeated, it is proved that all columns are not repeated at this time, so repeated Columns cannot be eliminated. 7. query the employee ID, name, and work, but the displayed format is: 7369 employee, name: Smith, and work: ClearSelect
This article summarizes the good, from: http://hi.baidu.com/to_wait/blog/item/3e855931a5a51717eac4af22.html The TCP/IP protocol involves four layers: link layer, network layer, transmission layer, and application layer.The Ethernet data frame is at the link layer.IP packageAt the network layerTCP or UDP PacketsAt the transport layerData in TCP or UDP(Data) at the application layerTheirLink isData frame {IP packet {TCP or UDP packet {data }}}-------------------------------------------------------
1. Select* From EMP; 2. Select empno, ename, job from EMP; 3. Select empno number, ename name, jobWorkFrom EMP; 4. Select job from EMP; 5. Select distinct job from EMP; 6. Select distinct empno, job from EMP;Note: Because employee numbers are not repeated, it is proved that all columns are not repeated at this time, so repeated Columns cannot be eliminated. 7.QueryEmployee ID, name, work, but displayed in the format of: 7369 employee, name: Smith, job: ClearSelect ':' | empno | 'employee, name:
cameraSecond, the hardware interface on the camera master chip on the s5pv3101, camif Camera InterfaceFirst look at the camera Interface Block diagram: (this looks a bit like, we put here, first understand, in fact, the driver is generally not involved here, but we have analyzed here, brought this out)(1), the main properties of the camera interface:A, support a variety of input interface: (is the above we see the four mode)DMA (AXI 64-bitinterface)
modes we see above) DMA (Axi 64-bitinterface) mode; Mipi (CSI) mode; ITU-R BT 601/656/709 mode; Direct FIFO (playback) mode; B. Multiple output modes are supported: DMA (Axi 64-bitinterface) mode; Direct FIFO mode; C. supports digital zoom in (dzi) capability; D. Multi-camera input is supported; E. Supports polarity Programmable Control of Video Synchronization signals; F. The maximum input resolution is 8
2. Vector Product of two vectors Definition 1Set VectorCIs composed of two vectorsAAndBDetermined by the following means:CModule|C| = |A|B| SinQ, WhereQIsAAndBThe angle between them;CIs perpendicularAAndBDetermined plane,CFromARedirectionBTo determine, we put this vectorCIt is called vector.AAndBIs recordedA'B, That is C=A'B. The property of the zhiyserx product is defined as follows: (1)A'A=0 (2) For two non-zero vectorsA,B, IfA'B=0, ThenA//BOtherwise, ifA//B, ThenA'B=0. Theorem 1Two VectorsAA
This series of articles by muge0913 finishing, reprint please note the Source: http://blog.csdn.net/muge0913/article/details/7358731 Chip Architecture The application processor chip of the 16/32-bit CPU is the-bit CPU used by Samsung. Samsung has released both the-bit CPU and-bit memory, which are based on the arm11 architecture and are compatible with hardware pins, it should be said that the general functions are basically the same. The obvious difference is that has 2D/3D hardware accelera
1. select * from emp; 2. select empno, ename, job from emp; 3. select empno number, ename name, job from emp; 4. select job from emp; 5. select distinct job from emp; 6. select distinct empno, job from emp;Note: Because employee numbers are not repeated, it is proved that all columns are not repeated at this time, so repeated Columns cannot be eliminated. 7. query the employee ID, name, and work, but the displayed format is: 7369 employee, name: smith, and work: clearSelect ':' | empno | 'employ
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