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#include "iom8535v.h"
#define _CPOL 1
#define _CPHA 0
#define SCK_IO DDRA|=0X01
#define MOSI_IO DDRA|=0X02
#define MISO_IO DDRA&=0XFB
#define SSEL_IO DDRA|=0X08
#define SCK_D(X) (X?(PORT|=0X01):(...[Details]
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Careful friends may find in this picture that some registers have shadows under their boxes, which means that the register has a corresponding shadow register. This register means that physically ...[Details]
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Wiring resources connect all units inside the FPGA, and the length and process of the connection determine the driving ability and transmission speed of the signal on the connection. There are abun...[Details]
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Abstract: KEELOQ technology is an important secure encryption and decryption technology, which has the characteristics of multiple changes and resistance to interception. Significant parts of th...[Details]
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Novatek, a member of Huawei's supply chain and IC design company, benefited from the strong shipment of panel driver and touch integrated single chip (TDDI), organic light-emitting diode (OLED) drive...[Details]
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With the rapid rise of smart phones and tablet devices in the consumer electronics field in recent years, all manufacturers have been trying their best to compete. If we divide the market by operating...[Details]
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There are many complexities in designing a system that includes a gigahertz sampling rate ADC. The main challenges include clock driving, analog input stages, and high-speed digital interfaces. Thi...[Details]
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This article introduces the main features, block diagram and typical application circuit of TPS65137. TI's TPS65137 is an active matrix OLED (AMOLED) power solution, including a boost converter wit...[Details]
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China Energy Storage Network News:
Professor Zhang Xiaoping, head of smart grid at the Energy Research Institute of the University of Birmingham, UK, recently said in an exclusive interview w...[Details]
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Introduction
In embedded systems, EEPROM is widely used in the field of small but important data storage due to its simple use, reliable performance and low price. At present, embedded products are...[Details]
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On October 25, according to Huawei's official website, today, the 7th Global Ultra-Broadband Fixed Forum (UBBF 2021) was held in Dubai. During the event, Wang Jinping, Marketing Director of Huawei NC...[Details]
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Qualcomm 8295 is the chip used in General Motors' Ultra Cruise in 2023. It is basically the automotive version of Qualcomm Snapdragon 888. The initial price of Snapdragon 888 was about US...[Details]
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1 Experimental Phenomenon
The running direction and speed of the 28BYJ48 stepper motor are controlled by the ULN2003 driver module. When the KEY1 key is pressed, the motor rotation direc...[Details]
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As FPGA performance and capacity improve, the use of FPGAs to perform DSP functions is becoming more and more common. In many cases, processors and FPGAs are used together in the same application, us...[Details]
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The first step is to open the 6410 baseboard schematic:
You can see that OK6410 has six buttons:
You can see that the six keys of OK6410 correspond to the pins KEYINT1, KEYINT2, KEY...[Details]
RF/Wirelessly
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