vic2 2fxo

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SMART210 Learning Record-----Interruption

)) #define VIC1ADDR (* (volatile unsigned long *) (vic1_base + 0xf00)) #define VIC1PERID0 (* (Volatile UN Signed long *) (vic1_base + 0xfe0)) #define VIC1PERID1 (* (volatile unsigned long *) (vic1_base + 0xfe4)) #define Vic1peri D2 (* (volatile unsigned long *) (vic1_base + 0xfe8)) #define VIC1PERID3 (* (volatile unsigned long *) (vic1_base + 0xfec)) ) #define VIC1PCELLID0 (* ((volAtile unsigned long *) (vic1_base + 0xff0)) #define VIC1PCELLID1 (* (volatile unsigned long *) (vic1_base + 0xff4))

How to create a configuration linked mailbox

domain of the organization that you are establishing trust with:650) this.width=650; "title=" 4.PNG "src=" Http://s3.51cto.com/wyfs02/M01/6E/55/wKiom1V5PAuSyVoeAADsLRlCAns244.jpg " alt= "Wkiom1v5pausyvoeaadslrlcans244.jpg"/>c. Select the domain controller that trusts the organization domain, and specify the account associated with the trusting domain:650) this.width=650; "title=" 5.PNG "style=" Float:none; "src=" http://s3.51cto.com/wyfs02/M02/6E/51/ Wkiol1v5pc6qnv06aadl86fcrvy928.jpg "alt=" Wk

Cortex-a8 s5pc100 interrupt mechanism

IRQ, the F and I bits of the CPSR program State register must be cleared first, and the corresponding bits in the interrupt shield register intmsk must also be cleared. (2) intselect ). The Cortex-A8 provides two interrupt modes: FIQ mode and IRQ mode. All interrupt sources must determine which interrupt mode to use when interrupting requests. 3. s5pc100 interrupt source Overview In this chip, there are three VIC units, among which vic0 covers the interrupt source of the system, DMA, and timer.

Linux Interrupt Complete Analysis

KSOFTIRQD kernel thread execution.2) The interrupt nesting is to let the high priority interrupt get the timely response; the interrupt upper and lower half mechanism is for the low priority interrupt to get a timely response; Ksoftirqd kernel thread scheduling is the opportunity for high-priority task processes to be executed.Third, interrupt management mechanismThe following analysis is based on the Linux2.6 core and arm (S5PV210) system, in which the hardware programming of the arm (S5PV210)

IP Phone configuration expert

equivalent to a dumb terminal (telephone) and cannot provide the ring current, voltage, and dialing sound. The port is also the Standard ipv11 interface. It can be connected to a vswitch of the PSTN or a standard interface (internal line) of the PBX. In short, it must be provided by the Peer to the ring current, voltage, and dial tone. · E/m voice/fax interface card. E/m is the interface standard of a vswitch. The E/M card is mainly used to connect to the E/m port on the trunk line of the switc

Deploying IP voice on a wide area network

time, the realization of Enterprise National IP Voice, will establish a nationwide centralized customer service center to lay the foundation.    Since the corporate headquarters typically has a traditional PBX telephone switch, Cisco 3725 is configured as a voice gateway at Headquarters and connected to a PBX through the E1 interface. If the enterprise has a number of branches in the country, each branch office does not need to configure the PBX. According to Cisco's Avvid architecture, Cisco

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