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When developing 51 single-chip microcomputer application systems, scientists often encounter multi-byte division and reciprocal problems. However, the relevant programs introduced in some current m...[Details]
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Samsung Electronics Co., Ltd. today released its first quarter 2019 financial report ending March 31. The financial report shows that Samsung's first quarter revenue was 52.4 trillion won (about 45.1...[Details]
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In common electronic systems such as computing, communication and consumption, processors/controllers, memory, power management ICs, etc. are often the focus of attention. Compared with these popular...[Details]
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1. Overview MM58167B is a real-time clock source in a bus-type microprocessing system. It includes an addressable real-time counter, 56-bit on-chip RAM and two output interrupts. The valid signal o...[Details]
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Single-channel, multi-channel analog-to-digital conversion (AD)
I. Experimental purpose
1. Through the experiment, get familiar with the timer of F2812A.
2. Master the control method o...[Details]
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Han Jong-hee, co-CEO of South Korea's Samsung Electronics, revealed that Samsung is carefully evaluating acquisition proposals in multiple fields and will have good news soon. "We are moving faster t...[Details]
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The internal timer T0 of the microcontroller works in mode 1, and a square wave pulse signal with a period of 1ms is output from P1.0. It is known that the crystal oscillator frequency of the microco...[Details]
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On the afternoon of the 26th, the reporter learned from the Municipal Chengfa Energy Company that the construction of four charging pile stations in Shenjiaying, Tieshan, Tuanchengshan Phase II, an...[Details]
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platform TQ2440 Qemu+vexpress-ca9 Linux-4.10.17 text Continue to analyze head.S: At this time, r2 stores the physical starting address of the device tree image, r8 is the starting address of ...[Details]
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1 Overview The C8051F0XX series of microcontrollers is a new type of mixed signal system-level microcontroller launched by Cygnal. This series of microcontrollers contains the CPU core of CIP-51,...[Details]
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"Common Mode Semiconductor" launches the high-precision and low-noise 3A LDO regulator GM1203A-2 . The GM1203A-2 series of products integrates low noise, high PSRR and high output current capabilitie...[Details]
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Recently, the construction of the 5G smart grid experimental network project in Qingdao, Shandong was completed, which marks the official completion of my country's largest 5G smart grid. It can su...[Details]
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There are many factors that affect the test results of laser particle size analysis instruments. This article discusses the following three key factors: optical path alignment, instrument calibration...[Details]
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l Absolute address access
l C and assembly interface
l Common files in C51 software package
l Segment name conversion and program optimization
Section 1 Absolute Address Access
C51 provides th...[Details]
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/* Call all initialization functions in a loop*/
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr)
{
if ((*init_fnc_ptr)() != 0)
{
/* When each function fails to...[Details]
PCB Design
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