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AT89S52 MCU pin diagram and pin description AT89S52 high performance 8-bit MCU (AT89S52 pin diagram)
AT89S52 Pin Diagram
AT89S52 is a low-power, high-performance CMOS 8-bit single-chip ...[Details]
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First, let's introduce the meaning of open-drain mode.
(1) Floating input_IN_FLOATING——Floating input, can be used for KEY identification, RX1
(2) Input with pull-up_IPU——IO internal pull-up resisto...[Details]
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1. Production situation
From January to August 2021, among the main products of the national battery manufacturing industry, the output of lithium-ion batteries was 14.6 billion units, a y...[Details]
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According to Jiwei.com, Huawei has been exploring business opportunities beyond telecommunications equipment and smartphones for many years, but such efforts have become particularly urgent after sma...[Details]
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The 65W PD fast charging solution can not only support high-power fast charging of mobile phones, but also support 20V output, which can charge computers. It has the advantage of good versatility. ...[Details]
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//Crystal oscillator 1MHz
//LED connected to PB0
//Use timer 1, 1024 division, interrupt once every 0.5 seconds, LED flashes once
The program is as follows:
.include "m8def.inc"
.equ led =0
.eq...[Details]
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Currently, many application fields use wireless methods for data transmission. Wireless radio frequency data transmission modules are used in various aspects such as wireless meter reading, industria...[Details]
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New digital power controllers such as the UCD9110 or UCD9501 need to be supported by new intelligent integrated MOSFET drivers. Power designers are still skeptical about digital power control tec...[Details]
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Summary: The first-line bus is a bus standard launched by DALLSA. This article introduces the design method of using the first-line bus information button device iBUTTON to design a handheld mob...[Details]
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According to foreign media reports, Intel announced its new augmented reality (AR) eye device Remote EyeSight on Tuesday. The device is similar to Microsoft's Hololens. Intel said it will announce ...[Details]
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The charging method of electric vehicles will be completely changed, and the power supply of the power grid will be fully considered to avoid overloading the power grid during peak power consumption....[Details]
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There are billboards everywhere that display Chinese characters on LED displays. The principle is actually very simple. We can use a 51 single-chip microcomputer to control the display of Chinese cha...[Details]
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In Figure 3.4, the size of the ground loop is 1IN*3IN. The typical size of the ground wire of this type of probe is American Wire Gauge (AWG) 24, with a wire diameter of 0.02IN. Using the ind...[Details]
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USART1_IRQHandler(void) function:
When a corresponding interrupt occurs on serial port 1, it will jump to the function execution. A small receiving protocol is designed here (not defined by the syste...[Details]
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Drive-by-wire chassis solutions
In the process of automobile intelligence and electrification, core technologies and products related to intelligent wire-controlled chassis have beco...[Details]