GSA confirmed today that there are now 153 operators in 64 countries/regions (as of mid-March 2021) that have announced 3GPP-compliant 5G for mobile or FWA services. A total of 428 operators in 132 co...
Brief Introduction to SP430 MCU Debug Interface
The MSP430F1, F2, and F4 series products use a 4-wire JTAG interface, namely TMS (mode selection), TCK (JTAG clock signal), TDO (data output), and TDI (...
The following figure shows part of the VGA-OUT circuit:(1) Does D6 function similarly to the output protection function of a motor drive?
(2) If (1) is true, does the VGA interface generate back elect...
Any electronic product cannot be separated from the design of power supply, among which DCDC is the most frequently used.
There are three types of DCDC: buck circuit, boost circuit, and buck-boost cir...
The MC9S12DP512MPVE is a 16-bit microcontroller based on the enhanced HCS12 CPU with a CISC architecture and a maximum operating frequency of 25MHz. The device contains 512kB internal flash memory, 12...
[i=s]This post was last edited by sfcsdc on 2020-6-18 09:24[/i]As shown in the figure, a PMOS is connected in series on the communication line S1 to control whether the signal passes.Now there are som...
Semiconductor is a global industry. Semiconductor companies must not only keep their motherland in mind, but also look to the world. Recently, foreign media reported that more and more Chinese semico...[Details]
The baud rate is 7.3728MHZ, the delay is 1ms, and the accuracy error is 10us ;******************************** delay_1ms: ldi r27,41 delay_11: ldi r28,35 delay_22: ...[Details]
5G is here! On August 20, Nanjing Unicom's Xiaoying 5G base station was successfully opened. This is the first time in China that a 5G base station has been built in a substation, which means that ...[Details]
The book says that the ADDC instruction will add the carry flag CY, which can be used to conveniently perform multi-byte addition operations. Let me think, for example, if two numbers are added using ...[Details]
1 Introduction
The automobile drum test bench (also known as chassis dynamometer) is a large-scale indoor automobile test equipment and a bench test system for completing automobile whole vehi...[Details]
While helping distribution partners to clear inventory, NVIDIA is also actively preparing for the RTX 40 series graphics cards. According to the whistleblower kopite7kimi, NVIDIA also has a new board...[Details]
Today, insulated gate bipolar transistors (IGBTs) can provide effective solutions for switching applications in both industrial and civilian products to achieve high energy efficiency and high perfor...[Details]
1. Current status of LED driver power supply
Standard electric lights are undergoing a revolution. In order to conserve energy and combat global warming, some states in the United Sta...[Details]
Recently, Chinese scientists have successfully developed a new brain-like computing chip for artificial general intelligence - the "Tianji Chip", and successfully conducted experiments on driverless ...[Details]
Tencent Technology (Shenzhen) Co., Ltd. has acquired the Dachanwan A002-0076 plot of land in Xixiang Street, Bao'an District, Shenzhen, at a listed price of 8.52 billion yuan. It will build Shenzhen'...[Details]
When Tesla first launched Autopilot, it also pushed the concept of "full autonomous driving" into people's cognition. Although this feature is popular with consumers and allows consumers to experienc...[Details]
During the circuit board test, I found that one circuit board could not be programmed. So I checked:
1. There is no problem with power supply and ground
2. Use
an oscilloscope
...[Details]
As the "Plus" version of lithium iron phosphate and also a "good partner" of high-nickel ternary materials, lithium iron manganese phosphate materials have shined this year. Many companies including ...[Details]
On October 14, Neijiang Vice Mayor Bi Sheng led a team to the Chuanwei Lianjie Base to care about the development of the enterprise. Neijiang Municipal Government Deputy Secretary-General Peng Yun,...[Details]
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