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The telephone callback device is controlled by a single-chip microcomputer and has the advantages of simple circuit, reliable contact and easy use.
1. Working Principle
The circuit is sho...[Details]
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1) Serial port control register SCON bits: SM0 SM1 SM2 REN TB8 RB8 TI RI SM0, SM1: Mode selection SM2 is used for multi-machine communication. When SM2=1, if the received 9th bit RB8 is 1, RI=1...[Details]
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After you have written a program, you can see the program's instruction set through software debugging. From the instruction set you can understand how the microcontroller works internally, such as t...[Details]
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FSMC, a flexible static memory controller, can be connected to synchronous or asynchronous memory and 16-bit PC memory card. The FSMC interface of STM32F4 supports memories including SRAM, NAND FLASH...[Details]
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Past experience in the manufacturing industry has demonstrated time and again that the price for an emerging industry to move from immaturity to maturity is often chaos. Not long ago, Henan Tongxu ...[Details]
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1. GPIO Introduction GPIO (general purpose input output): general purpose input and output. GPIO is the pin of the chip, which is a special pin that can be operated through code to control the high a...[Details]
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On September 26, Jintan District of Changzhou held a concentrated start-up ceremony for key projects in 2020 and a groundbreaking ceremony for the Jiangsu Guoxin Intelligent Equipment Project. Ther...[Details]
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1.
Features of
HED MCU
products
•
Kernel and system
– 32-bit ARM® CortexTM-M0 processor core
– Operating frequency up to 48MHz
– 32 instruction cycle 32-bi...[Details]
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ITECH recently launched a high-performance
DC electronic load IT8400 series
. At present, ITECH high-voltage and high-power DC electronic loads include IT8900A/E series and regenerative DC ...[Details]
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On May 19, China Mobile Beijing Company and the General Hospital of the General Staff of the People's Liberation Army (309 Hospital) signed a strategic cooperation framework agreement to jointly pr...[Details]
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There are two triggering modes for the external interrupt of the 51 MCU: level triggering and edge triggering. When the level triggering is selected, the MCU checks the interrupt source line in each m...[Details]
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LCD continues to occupy a large share in the display market and is currently the mainstream of flat panel display research. The concept of flat photoluminescent-liquid crystal display (PL-LCD) was ...[Details]
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The startup circuit presented in this paper consists of a microprocessor (µP) supervisory circuit MAX809L and a charge pump to monitor the output voltage of the boost converter. The high-efficiency...[Details]
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Trimble, a global positioning solutions provider, announced the first deployment of its map-based positioning system, Applanix POS LV, for land-based autonomous vehicle applications. Japanese heavy i...[Details]
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According to the latest silicon wafer quarterly analysis report released by the Silicon Manufacturers Group (SMG) under SEMI, global silicon wafer shipments in the third quarter of 2024 increased b...[Details]
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