Chengde ic card water meter water meter! 
 Chengde meter offer Chengde ic card water meter water meters offer 〓 〖the Chengde meter direct sales〗 
 The Chengde ic card meter meter price is cheaper, more reliable quality, no security risks, a more comprehensive performance, longer life and appearance more beautiful aspects of development. 
 Chengde meter / / Chengde meter hotline: Tang cocoa 18701502378QQ: 1024492555 
 Chengde ic card water meter water meter is more elegant in form and design, industrial design, better than ABS plastic casting forming, the volume will be smaller, with a sense of flow lines and affinity. Electronic components is not a lot of water meter basic security module, clock module, with the lower prices of electronic components and has been adopted. Such meter circuit design will become more standardized, more stable. With the development of electronic technology, the control panel of the meter may be to help set "on a single chip, its size is smaller, more stable, lower cost, more powerful. With the reduction in the popularity and price of the CPU card, CPU card may replace the logic encryption card. Once the cost of the RF card is reduced to close to the cost of contact, and solve the power problem, then, will replace the contactless 
 First, the the Chengde ic card water meter water meter Π Chengde meter base table function will improve 
 (1) count accuracy will improve 
 (2) the accuracy of the data is higher, safer 
 (3) capacity design and will be even greater 
 (4) starting flow will greatly reduce to burglar water. The life of the meter due to the high-performance base table and large-capacity high-energy lithium-manganese battery should be able to guarantee the working hours of more than 10 years. 
 Management software design: the use of more convenient, more perfect, and the banking network toll system to replace the stand-alone version of the cell charge management With the rapid development of microelectronics technology, coupled with the promotion of relevant national policies, 
 To accelerate the development of the water meter industry 
 Chengde meter Π Chengde meter 
 The future water meter will be moving in the direction of development. 
 The civilian measuring instrument will be an inevitable direction of development. 
 This is not only a trend in China will become a worldwide trend. For my large population and increasingly scarce water resources, water meter demand more and more manufacturers will be more and more, competition will become increasingly fierce. The size of the meter manufacturers will become more and more, many small ic card water meter water meter at home may be eliminated due to its quality, scale, brand advantage is not enough. From the current situation, the card meter will continue in the coming decades, representing the mainstream of the water meter industry. 
 Second, the contact of its functions divided into three 
 (1) memory card. 
 (2) with encryption logic memory card: a memory card of the safety logic. 
 (3) CPU card: a CPU (central processing unit) memory card. 
 Memory card using the memory chip as the card core, only the "hardware" components, including data storage and security logic control; card microprocessor chip as the card core 
 By the hardware and software together to form 
 Chengde meter Π Chengde meter 
 Including hardware microcontroller (microprocessor), RAM (Random Access Memory), 
 ROM (read-only memory), software control program or operating system COS (IC Card Operating System) such as the meter circuit board toward miniaturization, low power consumption, interference 
 Low-cost, practical function of direction. Veneer to replace the circuit board connectors, using the machine to automatic welding to replace manual welding to make the parts smaller and more stable performance, lower cost. 
 Tend to moderate capacity, feature-rich, reliable performance, low-priced components. 
 The design of the circuit board out of the electro-optical, beep alarm while off valve alarm. 
 Water display generally use the LCD display instead of LEDs, this is because the LCD power consumption, more sophisticated appearance. The meter battery is the gradual introduction of high-capacity lithium-manganese batteries, 
 ▂ ▃ ▅ Chengde meter Theoretically, the network ic card water meter water meter should be a better measurement mode, and is the ultimate direction of development. But for now, due to the establishment of the urban network system conditions are not ripe, and related systems with so difficult to spread quickly. But the time can be expected, thousands of families to connect up the network system will be gradually formed. By then China will be the same as other developed countries, ic card meter outdoor copy to read the meter (no valve) and a combination of computer property management. Instead of a water meter, because the network ic card water meter water meter will be more user-friendly water 
 Supply the Chengde meter / Chengde meter Recommended | Price [= suspected of goods by == is == potential buyers =] the Chengde meter = "Chengde meter =" the Chengde meter = "the Chengde meter =" Chengde meter = "Chengde meter =" Chengde meter = "the Baoding caliber ic card meter meter =" the Baoding stainless steel ic card water meter water meter [to sell one; telephone 18701502378 = Tang cocoa | Sales 2; Phone -13716900928 Tang cocoa] supply Chengde meter slowly ran, Changde meter The latest offers are published. 
 [Product features] non-contact ic card water meter water meters for water flow in the measurement pipe with prepaid functionality. Users will be to the administrative department of water charges, management will purchase the water write, the user will enter information ic card water meter water meter, ic card water meter water meter will automatically open the valve the water supply in the process of user water, ic card water meter water meter microcomputer automatically subtract the remaining amount of the purchase of water exhausted, ic card water meter water meter will automatically shut the valve without water, the user need to re-purchase of water to open the water supply valve. Supply Chengde meter slowly ran, Changde meter offers announced. 
 Features and performance: 
 NO.1, ultra-low power consumption: the use of special import microprocessor (the production of the United States TI MSP430 series), ultra low-power design. 
 The MSP430 MCU Introduction: MSP430 series microcontroller, Texas Instruments Incorporated (TI) 1996 began to push the market a 16 ultra-low power, mixed-signal of the Reduced Instruction Set (RISC) processor (Mixed Signal Processor). Called mixed-signal processors, is due to actual application requirements, multiple different functions of the analog circuit, digital circuit modules and microprocessors integrated on a single chip to provide a "single chip" solution. This series of single-chip multi-need battery-powered portable instrumentation. 
 MSP430 MCU features: 
 1, the processing capability 
 MSP430 MCU is a 16-bit microcontroller, reduced instruction set (RISC) architecture, has a wealth of addressing the source operand addressing (seven kinds, four kinds of the destination operand addressing), 27 simple core instruction and a large number of simulation instruction; a large number of registers and data memory chip can participate in a variety of computing; efficient table look-up processing instruction. These features ensure the preparation of a high efficiency source. Supply Chengde meter slowly ran, Changde meter offers announced. 
 2, the computing speed 
 MSP430 MCU 25MHz crystal driver, 40ns instruction cycle. 16-bit data width, 40ns instruction cycle as well as multi-functional hardware multiplier (multiply-add) matched to achieve some of the digital signal processing algorithms (eg FFT, etc.). 
 3, ultra-low power 
 MSP430 microcontroller reason why ultra-low power consumption is to reduce the chip's supply voltage and a flexible and controllable running clock has its own unique. 
 First, the supply voltage of the MSP430 series microcontroller is 1.8-3.6V voltage. Thus its mode of operating in the 1MHz clock condition, the minimum current of the chip will be about 165μA, RAM to keep the lowest power consumption is only 0.1μA. 
 4, a unique clock system design 
 MSP430 series has two different clock system: basic clock system, the system locked loop (FLL and FLL +) clock and the DCO digital oscillator clock system. Can only use a crystal oscillator (32768Hz), can also use the two crystal oscillators. CPU and features required by the system clock system clock. These clocks can be under the control of the command, open and close in order to achieve control of the overall power consumption. 
 As the system is running, open the function module, which uses a different operating mode, the chip power consumption is significantly different. A total of a pattern of activity in the system (AM) and five low-power mode (LPM0 to LPM4). In real-time clock mode, up to 2.5μA in the RAM keep-alive mode, down to 0.1μA. Supply Chengde meter slowly ran, Changde meter offers announced. Supply Chengde meter slowly ran, Changde meter offers announced. 
 5, the chip is rich in resources 
 MSP430 MCU series integrates a rich on-chip peripherals. They are the watchdog timer (WDT), the analog comparator A, timer A0 (Timer_A0,), timer A1 (Timer_A1) and, the timer B0 (Timer_B0), UART, the SPI, I2C, hardware multiplier, LCD drive, 10 / 12 ADC, 16-bit sigma-delta ADC, DMA, the I / O port, the basic timer (basic timer), real-time clock (RTC), USB controllers and other peripheral modules in different combinations. The watchdog can make the program reset quickly got out of control; simulation comparison of the analog voltage comparator, with the timer, and can work out the A / D converter; 16 Timer (the Timer_A Timer_B), Capture / Compare functions a large number of capture / compare registers can be used for event counting the occurrence, timing, PWM, etc.; Some devices can achieve asynchronous, synchronous and multiple access serial communication interface to facilitate the realization of multi-machine communications applications; more I / O ports, the P0, P1, P2 port can receive an external interrupt input of the rising or falling edge; 10/12 hardware A / D converter has a high conversion rate, up to 200kbps, to meet the most data acquisition applications; can directly drive the LCD up to 160 segments; two 12-bit D / A converter; hardware I2C serial bus interface, memory, serial expansion; and in order to increase data transmission speed, the DMA module. The MSP430 MCU piece of inside and outside Make systems, single-chip solution provides a great convenience. 
 MSP430 series microcontroller interrupt sources are more and can be nested arbitrarily, flexible and convenient use. When the system is energy efficient low-power state, the interrupt wake-5μs. 
 6, a convenient and efficient development environment 
 MSP430 series OPT type FLASH type and three types of ROM type devices, the development of these devices means. OPT and ROM-type devices is to use the emulator after the successful development of programming or mask chip; FLASH type is very convenient development and debugging environment, because the device on-chip JTAG debug interface, as well as the electric flash FLASH memory, first download the program to the FLASH, the device through software control program run by the JTAG interface to read the information for designers of on-chip debugging use development. This only requires a PC and a JTAG debugger, without the need for the emulator and programmer. The development of language assembly language and C language. Supply Chengde meter slowly ran, Changde meter offers announced. 
 NO.2, a table card features: new issue user cards to insert a new table, the table will automatically recognize and save the card's unique code, the code will automatically identify the next when the table with the card automatically match will be displayed card anti-plug or non of the system card into the card wrong, and prevent illegal card use. The large-screen LCD is often obvious: water data, valve status, battery status at a glance. 
 NO.3, non-contact card (RF card) technology: the company's patented RF card technology (patent number.: ZL 002 325 977), the application of wireless transmission of data, in 50mm inside the card information read into the table. Completely solve the problem of waterproof, moisture-proof, anti-attack. 
 NO.4, waterproof: fully sealed design, all the lines with high-performance potting seal any exposed electrode suitable for wet environments. Wet table soaked in water for three to four hours scrapped, even in damp places, about a year, the motherboard will not be able to use Let dry table 4 water, soak in water normal life of more than six years. 
 These are the supply the Baoding meter supply - Chengde meter recommended price relationship between water security safeguard your health information by the Baoding meeting business limited liability company own, Tang cocoa: 18701502378 If you supply Baoding meter slowly run, Baoding meter latest special offers published information have any questions, please make further contact with the company, access to supply the Baoding meter slowly ran more information, the Baoding meter offers announced. 
 Chengde meter --- season is changing --- our services remain unchanged! ------ 
 Does not seek profits, but for the best service! ! ! Seasons --- for your dedicated service! ! 
 The Chengde meter --- select in the change - our commitment to constant -------