Vue component of digital currency

1. It's true. It is mentioned in the official white paper of vuex that vuex encourages users to participate in the price discovery process through the liquidity mining mode, and at the same time, 50% of vut (vut token) will be awarded to community users.

2. Jiujiu is a
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e
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3. Fraud information, of course, is deleted

4. 1. FPGA (field programmable gate array) is the proct of further development based on pal, gal, CPLD and other programmable devices. As a kind of semi custom circuit in the field of application specific integrated circuit (ASIC), it not only solves the shortcomings of custom circuit, but also overcomes the shortcomings of limited gate circuits of original programmable devices
2. CPLD (complex programmable logic device) is a device developed from pal and gal devices, which is relatively large in scale and complex in structure, and belongs to the scope of large-scale integrated circuits. It is a kind of digital integrated circuit that users construct logic function according to their own needs. The basic design method is to generate the corresponding object file by means of integrated development software platform, schematic diagram, hardware description language and other methods, and transfer the code to the target chip through the download cable ("in system" programming), so as to realize the digital system< The differences between FPGA and CPLD are as follows:
① CPLD is more suitable for various algorithms and combinational logic, and FPGA is more suitable for sequential logic. In other words, FPGA is more suitable for rich flip-flop structure, while CPLD is more suitable for limited flip-flop structure with rich proct terms< (2) the continuous routing structure of CPLD determines that its timing delay is uniform and predictable, while the segmented routing structure of FPGA determines that its delay is unpredictable< (3) FPGA is more flexible than CPLD in programming. CPLD is programmed by modifying the logic function of the fixed internal circuit, and FPGA is programmed by changing the internal wiring; FPGA can be programmed under logic gate, while CPLD is programmed under logic block< (4) FPGA is more integrated than CPLD, and has more complex wiring structure and logic implementation< (5) CPLD is more convenient to use than FPGA. The programming of CPLD adopts E2PROM or fastflash technology, without external memory chip, so it is easy to use. However, the programming information of FPGA needs to be stored in the external memory, and the use method is complex< (6) the speed of CPLD is faster than that of FPGA, and it has greater time predictability. This is because FPGA is gate level programming, and distributed interconnection is used between CLBs, while CPLD is logic block level programming, and the interconnection between logic blocks is centralized< In the programming mode, CPLD is mainly based on E2PROM or flash memory programming, the programming times can reach 10000 times, the advantage is that the programming information is not lost when the system power is off. CPLD can be divided into programming on the programmer and programming in the system. Most of FPGA is based on SRAM programming. Programming information is lost when the system is powered off. Every time when the system is powered on, the programming data needs to be written back to SRAM from the outside of the device. The advantage of this method is that it can be programmed any time, and can be programmed quickly in the work, so as to realize the dynamic configuration of board level and system level< The security of CPLD is better than that of FPGA< Generally, the power consumption of CPLD is larger than that of FPGA, and the higher the integration, the more obvious
with the increasing density of complex programmable logic devices (CPLDs), digital device designers are flexible and easy to design large-scale devices, and procts can enter the market quickly. Many designers have already felt that CPLDs are easy to use. However, e to the limitation of CPLD density in the past, they had to switch to FPGA and ASIC. Now, designers can appreciate the benefits of CPLD with hundreds of thousands of gates.

5. For example, an FPGA has more than 600 pins, each bank makes a gate, vccio makes a gate, and the configuration makes a gate. Then it's disassembled. It's easy to use pads

6. a. Bank division principle: upper and lower bank (top and low - also called column) memory interface left and right bank (left and right - also called row) high speed transceiver LVDS (with dpa-oct) (if DDR is allocated to the bank without RUP, the RDN will have an error, and OCT cannot be found)
B IO power supply principle: divided into PD and vccio, power can be supplied together -- vccio-3.3-3.0-2.5-1.8-1.5 (Advanced FPGA does not have 3.3 power supply, use 3.0 instead) vccpd -- 3.3-3.0-2.5 (below 2.5 are 2.5) can share power with other chips on the board
C. except IO port power supply: other power sources of FPGA should be supplied separately to prevent interference
D JTAG power connection: 3.3-2.5-3.0 is recommended. 2.5V is OK or not. Advanced chip has vccpgm. Arria series has a separate download configuration bank for flexible selection of voltage. The configuration pin and iobank are mixed together. Power supply selection is limited. In addition, there is no need to draw as interface. JTAG can download the file of POF to JIC to achieve the same function Choose according to the size of FPGA file -- there are three chapters in the first volume of the data manual -- in addition, EPCs is more expensive and there is no instrial grade one -- Meguiar's M25P64 can be used instead)
E Clock management: the reset pin is not driven and placed in the clock pin --- the external reference clock is placed here --- the reference clock to be output is output in pll-out --- differential access, some with OCT, some without -- LVPECL is generally used in high-speed transceiver reference clock --- high-speed transceiver reference clock is connected with LVDS
or LVPECL (different coupling mode --- different resistance network) - two levels can also be input Row to row conversion: AC coupling (adding capacitance and differential matching resistance at the receiving end is suitable for inter board communication different power supply) = = DC coupling (adding differential matching resistance at the receiving end is suitable for intra board communication same power supply))
F Power on speed requirements: those that do not meet the requirements and are not configured successfully are divided into fast 4-12ms to achieve stability (the selection method is: Advanced FPGA uses a separate pin porefl to select - low-level FPGA uses MESL to select, for example, fast 3.3 is the requirement) 100ms to achieve stability
G The design of PLL on chip: directly input by clock pin (in this case, one PLL must use chip input circuit compensation function), and cascade use of PLL (FPGA only has one clock pin input without circuit compensation function)
H Clock network: global clock network (clock input pins - different PLLs on different pins for clock compensation) - local clock network (there are also dedicated clock input pins - can be used as IO - generally, this function is not used)

7. You can use the react plug-in and then use Vue. JS, but if you want to use the program code, I suggest you go to the program or software post bar and ask the God.

8. Mining to see if you have money, no money to patiently mining! Copper --- barren land
tin --- thousand needle stone forest and every map of level 20 or so
iron --- thousand needle Stone Forest
Secret silver --- barren land is the best, Running in circles

in fact, the most difficult thing is Azeroth's mine. When you get to Mars, you'll be fine with Northrend! When you go to the crater after 275, you will know what it means to run in circles or mines everywhere!

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10. This is what I found on the Internet. It doesn't matter whether I give it or not
I hope it can help you< br />
http://wow.tgbus.com/professions/Mining/201001/20100127145933.shtml