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Su Liangyu sat in the Jinbei van and looked out the window, the roadside was full of Liaodong Iron and Steel Plant workers wearing gray labor uniforms, and from time to time there were tall chimneys spitting smoke passing in front of him.

However, thinking of the simple remote control circuit, Su Liangyu's heart is on fire, and the electronic engineer can always unearth the amazing beauty from the dense wiring on the green substrate. What kind of person designed this circuit, under his own questioning, Wang Weiguo just smiled meaningfully and said You will know when you meet, could it be that he is also a colleague who returned from abroad? Su Liangyu thought suspiciously.

HT680 chip is Su Liangyu on the basis of Intel 8031 chip, plus an 8KB internal memory and a set of 16-bit counter integration, 85 years after the chip design, Su Liangyu had found the largest integrated circuit manufacturer in China at that time, Huajing Group, recommended HT680 chip, after all, Huajing production of TA6610 chip in engineering applications must be more than HT680 more than an external program memory. Huajing Group directly ignored Su Liangyu's recommendation, and clearly told Su Liangyu that if he wanted Huajing to use HT680 to replace TA6610, go to the State Council to make a report first, Huajing is impossible to make changes without the state's instructions, and high-tech things such as large-scale integrated circuits will be changed without saying that anyone will change it.

In the next two years, Su Liangyu gave up the in-depth research and development of chips, and focused on promoting HT680, after all, people have to bear the reality of the bones first, in order to pursue the ideal of plumpness, but it is a pity that the Massachusetts Institute of Technology in the United States only taught Su Liangyu how to design integrated circuits, but did not teach Su Liangyu how to sell chips, in July this year, the project team was finally exhausted, facing the danger of disbandment.

Although the HT680 chip frequently hit a wall in China, Su Liangyu's development experience in the world aroused great interest from Intel, and Su Liangyu was invited to lead a scientific research team in the United States to develop Intel's next-generation 8-bit microcontroller (Note 1).

When Su Liangyu was about to make up his mind to return to the United States, Factory 257 came to Nanjing ...... with orders. Jinbei slowly stopped in front of the main entrance of the locomotive factory guest house, and felt that the car stopped, Su Liangyu woke up from his memories, smiled at the driver, and got up and took out the Jinbei bread.

Just out of the car door, a revolving door that is rare in China comes into view, Su Liangyu pushed the door into the hotel lobby, different from the marble floor that is popular in domestic hotels, the lobby is paved with light-colored maple floors, and a series of wall lamps are hung on the walls with pale yellow wallpaper, with the chandelier that is not too big in the ceiling to make the light of the whole lobby appear extremely soft, there is a one-meter-high glass fence on the left side of the revolving door, and there are several groups of sofas and potted plants scattered in the fence, and there is a small log bar in the dim light in the corner, and a few blonde foreigners are scattered among them。

Su Liangyu liked the atmosphere at a glance, relaxed, simple, and seemed to be back in the college tavern near MIT.

"Su Gong, this way. ”

Su Liangyu turned his head, and in the registration rest area on the right side of the lobby, a tall man and a fair-skinned teenager stood up.

Liang Haiping enthusiastically stretched out his hand and said: "Hello, Su Gong, I am Liang Haiping, welcome to Benxi as a guest" and then pointed to Liang Yuan and said: "My nephew, come and play." ”

Su Liangyu shook hands with Liang Haiping a little slightly, and after a pause, he remembered that on the invitation card to himself, there was a sign behind Liang Yuan's name, which was Liang Haiping.

Su Liangyu hurriedly smiled, grabbed Liang Haiping's hand and shook it a few times and said, "I'm sorry to disturb you, it should be my treat, Comrade Liang Yuan will come over later?"

"Well, let's go to the private room first, I'll be talking to Su Gong in a while," Liang Haiping finished speaking, and led the way to the second floor of the hotel. Su Liangyu had no choice but to follow behind in confusion.

The three of them entered the private room on the 2nd floor, Liang Haiping and Su Liangyu chatted and talked about eggs, Liang Yuan also picked up the recipe and ordered a bunch of them, and then handed the menu to Su Liangyu, Su Liangyu hurriedly pushed and said that it was enough.

When the wine and food were served, Su Liangyu couldn't help but ask Liang Yuan again when he would come over, Liang Haiping snorted and said: "Liang Yuan that Su Gong said is my nephew, but I heard Wang Weiguo, the director of 257, say that Su Gong seems to have graduated from the famous Massachusetts Institute of Technology, how can he think of returning to China to engage in chip research." ”

Su Liangyu, who is engaged in technology, has a relatively straight temperament, although he felt a little strange that Liang Yuan had not shown up, and he didn't take it to heart, so he talked about Liang Haiping's words.

Liang Yuan sat on the side and listened only to learn that as early as 85 years, Su Liangyu made an 8-bit single-chip microcomputer, and after two years of futile travel, the air conditioning fan remote control he gave to Factory 257 was the first large-scale commercial application of HT680 chips.

"When I heard that the country was opening up, 286 also said that it was not engaged in various sports, so I moved the mind of returning to China, after all, the technological generation gap between our country and foreign countries is not large, and the difference between the sky is about 10 years. After returning to China, because I studied electronic engineering at MIT, I was arranged by the state to Nanjing 237 Institute. ”

"When I first returned to China, I paid more attention to it, and my proposal to develop a new generation of domestic single-chip microcomputers based on the Intel 8031 chip was approved. It's a pity that there is no unit to use the new generation of single-chip microcomputer in 85 years, and the institute saw that the project was not profitable and cut it off. ”

Liang Yuan listened and thought that this was too far, he originally planned to relieve the Nanjing 237 Institute, hoping that the 237 Institute would be more effective in the development of the fighter plane's onboard radar in the future, but he didn't expect the HT680 chip to become Su Liangyu's name under the name of the 237 Institute.

Su Liangyu picked up his wine glass, toasted a glass of beer, and continued: "In the past two years, I have found countless TV and washing machine manufacturers, but unfortunately they are all assembly factories and do not have the desire and ability to modify the circuit by themselves, and Huaxin, which provides a large number of chips for domestic TV factories, asked me to go to the State Council for approval first." ”

In the early 80s, at the same time as China's Huaxin introduced Japan's Toshiba integrated circuit, South Korea's Samsung also introduced the same integrated circuit production technology to Japan's Toshiba, and after more than 20 years of development, Samsung has entered the forefront of the world in large-scale integrated circuit manufacturing technology in the new century.

After Huaxin introduced technology in the early 80s, with the patience that the party-state had never had, it focused on the production of TA6610 and TA6670 chips introduced at that time for 15 years. After 97 years, a new generation of digital home appliances swept the world, and the single-minded Huaxin Group suffered huge losses year after year due to the old and backward products, and could only go bankrupt when the new century came, and Samsung at that time had embarked on a smooth road to becoming the world's largest integrated circuit manufacturer and supplier.

Liang Yuan listened to Su Liangyu's complaints, and sighed at Huaxin's future fate. But I was thinking about whether to dig up this guy in front of me, the so-called debt is not worried, and it is the same thing for me to burn money in multiple things.

"To be honest, I am really grateful to Comrade Liang Yuan for helping to provide an order of 40,000 pieces, if there is no such order, the project team may be disbanded now. Su Liangyu said gratefully, "Su Gong, if the project team is disbanded, will you still work in the 237 Institute?" Liang Yuan took over the topic and asked, although Su Liangyu was a little puzzled by the appearance of this teenager on such a semi-communicative occasion, he still patiently replied: "A few days ago, I received a letter from a classmate, inviting me to Intel to develop the next generation of single-chip microcomputer. The major I studied in 237 is not useful, if I don't have an order from 257 factory, I will accept a job offer from Intel. ”

"Is Su Gong ready to stay in China now?" Liang Haiping asked, Su Liangyu thought for a while and said: "Director Wang Weiguo told me that the annual chip consumption of Factory 257 is about 400,000 or 500,000 pieces, and the profits of the chips are removed from the institute, and in the end, there will not be a lot of funds that can fall to the project team to continue to engage in research and development, and the most important thing is that there is no single-chip microcomputer application environment in China." ”

"I have been running for two whole years, and the domestic introduction of technology is keen to be in place in one step, and it is best to be able to produce directly after the equipment comes, and the motivation of each unit to improve the technology is insufficient. ”

Liang Yuan remembered the joke about technology introduction in his previous life, but in fact, the slogan of market for technology was first put forward by the Japanese. After the turtle was changed, he found that this path was good and copied it directly, looking forward to being as developed as Japan in a few years, and the result was indeed funny. The first equipment of the Japanese was introduced, the second was domestic, the third was exported, and when it was replaced by a turtle, it became the first one to be introduced, the second to introduce a better one, and the third to ...... What has gone up again, change to a .......

How could Liang Yuan not be able to hear Su Liangyu's disheartenedness, so he hurriedly gave Liang Haiping a look and tapped his chest with his finger.

Liang Haiping said with a smile: "Su Gong, there were many people down there just now, and I didn't give you a formal introduction, but Comrade Liang Yuan, who you were looking for, has already come." ”

"When did you come, how did I ......" Su Liangyu's voice slowly lowered, and he stared at Liang Yuan in surprise.

Liang Yuan touched his hair embarrassedly and said, "Su Gong, I'm very sorry, my age may cause many people trouble. ”

"It's okay, it's okay, it's not old to have ambitions. Su Liangyu, who reacted, hid the shock on his face and tried to say calmly.

"Liang ......"

"It's good for Su Gong to call me Xiaoyuan" Liang Yuan said with a smile Su Liangyu first said a lot of words of gratitude, and then asked curiously, "Xiaoyuan, HT680 is our newly developed chip, and we haven't even planned out where to use it, how did you think of using it on the remote control, and the circuit matches so well"

"I've loved to play with models since I was a child, and I once used the Intel 8031 chip to do a multi-channel remote control, and I have a certain understanding of single-chip microcomputers, and I drew a circuit diagram for Uncle Wang of 257 that day, and I didn't expect to be able to help you. ”

HT680 is similar to Intel's later 51 series single-chip microcomputer, Liang Yuan remembered that circuit diagram back then, which happened to be a remote control system with Intel's 51 series single-chip microcomputer as the core.

Note 1: A microcontroller is a microprocessor (to be continued.)

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