[size=4]ldr/str can only access 4 bytes of memory per cycle. If you need to read or write memory in batches, it is too slow. The solution is stm/ld[/size] [size=4]For example (uboot start.S line 537) ...
Bandwidth is what keeps our digital world running. We need faster and faster speeds to keep all kinds of activities going on in all walks of life. Although the Ethernet protocol (the data connection b...
[i=s]This post was last edited by Mowen@ on 2022-3-25 10:46[/i]1. Overview
We have already completed functions such as obtaining the playback link, searching for music, and displaying the interface. S...
[i=s]This post was last edited by dcexpert on 2021-5-4 19:26[/i](Link is broken, waiting for update)A comprehensive MicroPython firmware development tutorial that steps into the world of Python for mi...
[i=s]This post was last edited by fish001 on 2018-11-14 21:03[/i] [size=4] This mainly involves WEP, WPA, WPA2 and RC4, TKIP, AES. [/size] [size=4] IEEE 802.11 sets technical standards, while Wi-Fi Al...
What indicators describe the digital multimeter? What do they mean? The so-called 3 1/2 digital multimeter can display 0000-1999. The first digit can only display 1 or 0. 3 represents the ones,...[Details]
As we all know, graphene batteries have to challenge the high price of "black gold", while hydrogen fuel cells, which came out of the laboratory earlier than graphene batteries, have to overcome the ...[Details]
With the continuous development of electronic technology, a large number of electronic technology instruments and equipment have appeared in today's electronic technology industry. These devices play...[Details]
In Arduino, you can use AnalogWrite to use hardware to generate 490Hz/980Hz PWM waves, and set the duty cycle according to parameters. Students who don't know this can go to AnalogWrite to learn. Sec...[Details]
The circuit is powered by a 4.5 volt battery and compared to a battery under test with an internal reference, which is set by R1, R2 and P1. For best results, the battery (DUT) should be loaded with ...[Details]
Statistics from OpenSignal, a British network quality evaluation agency, show that as of the end of June, there are currently eight countries in the world that have commercialized 5G. The United Stat...[Details]
I want to control the LED through the serial port, but the serial port can only send one character each time it is interrupted. So it is not easy to know which part each command controls when control...[Details]
Foxconn held a board meeting this afternoon. The much-anticipated list of directors to be re-elected will be announced soon. In the afternoon, Foxconn will hold a discussion with small and medium-siz...[Details]
Common op amp model knowledge CA3130 high input impedance operational amplifier Intersil
CA3140 High Input Impedance Operational Amplifier
CD4573 Quad Programmable Operational Amplifier MC1...[Details]
PQShield, a London, UK-based cybersecurity company, has raised $20 million in funding to further develop its quantum encryption solutions for hardware, software, and communications. PQShield specia...[Details]
As the main body of the real economy, manufacturing is the main battlefield of technological innovation and one of the key areas of "Intelligence +". Recently, the "Rockwell Automation Global Roadsho...[Details]
80C51 Series:
80C51 is a typical variety in the MCS-51 series; CMOS process microcontroller products developed with 8051 as the core are collectively referred to as the 80C51 series....[Details]
Today, Tianfeng International analyst Ming-Chi Kuo released a report saying that Apple's headset has been postponed to the end of 2022, while Sony's PS5 VR will start shipping in the second quarter o...[Details]
The previous note recorded the functions of the interrupt enable register, timer/counter working mode register (TMOD), and timer/counter control register (TCON) of the 51 single-chip microcomputer. T...[Details]
As cars become more complex, the ways in which electronic control units (ECUs) communicate with remote peripherals within the vehicle are constantly being developed. In situations where these remot...[Details]