RT809H Programmer Tutorial: Fly Line Read/Write EMMC Boot and Erase Methods Solder CLK, CMD, D0, and GND according to the points, and short the two ends of the crystal oscillator. Insert the soldered ISP cable into the ISP port of the RT809H programmer and power on the motherboard. Open the RT809H programmer interface, click on … Read more
EMMC ISP refers to the flying wire read and write of EMMC chips, communicating by connecting the CMD, CLK, D0, and GND of the EMMC. Due to varying power consumption across different boards, it is recommended that the power supply VCC be provided by the original board, and under this condition, VCC and VCCQ can … Read more
01 JTAG (Joint Test Action Group) is an international standard testing protocol (IEEE 1149.1 compliant) primarily used for internal chip testing. Most advanced devices now support the JTAG protocol, such as DSPs and FPGAs. The standard JTAG interface consists of four lines: TMS (Test Mode Select), TCK (Test Clock Input), TDI (Test Data Input), and … Read more
Recently, screen manufacturer Tianma launched the world’s first LCD in-screen multi-touch fingerprint solution (TED Finger Print, abbreviated as TFP). It features high integration, full-screen multi-touch fingerprint recognition, and a high screen-to-body ratio. It achieves the first integration of touch, display, and fingerprint recognition in one. Simultaneously, it covers the entire display with optical paths and … Read more
A few days ago, my girlfriend wanted to buy a phone and asked me whether she should get the iPhone XR or the iPhone XS. I carefully explained the differences between the two. Apart from the basic parameters being the same, the iPhone XR uses an LCD screen, while the iPhone XS uses an OLED … Read more
In 2018, various smartphone manufacturers were fiercely promoting their products equipped with OLED screens, as if products without OLED screens were considered inferior. But is OLED really that much more advanced than LCD? Which is better, LCD or OLED? Why did the iPhone XR only use an LCD screen? Let’s compare the advantages and disadvantages … Read more
Originally, I only planned to write about AP+MCU (Media), but due to various inquiries on Weibo and Knowledge Planet regarding the pin definitions and related function allocation of the motor controller, I decided to open a new article to organize the pin definitions and related function allocation of the Tesla Model 3 motor controller. The … Read more
Click on “0th Pre-classification Center“, to follow a group of classification experts. Good things should be shared, hands full of fragrance! Learn, Share, Improve! Join us and make progress with 494 domestic classification experts. Once upon a time, displays became a major category in import and export trade at certain ports in China, often due … Read more
Click the blue text to follow us WINTER This is a very detailed analysis of the powerful performance exhibited by Junzheng’s series of chips in various fields, with detailed analysis of models such as T10, T21, T23, T40, and A1. For more detailed specifications, please check with us! 1. T10 Chip The T10 integrates XBurst, … Read more
According to New Intelligent Driving: Last year, ARM, which was acquired by SoftBank for $31 billion, is attempting to enter a new emerging field. Over 95% of smartphones are equipped with ARM architecture chips, but that’s not enough. At the end of last month, ARM announced a significant breakthrough in the field of Image Signal … Read more