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In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]
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The program got stuck during LCD initialization. Through hardware debugging, it was found that it was stuck in the Delay_ms() function. Going to the definition, it was found to be a macro definition ...[Details]
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Different from 51, AVR and other single-chip microcomputers, the clock signal sources of msp430 include LFXT1, XT2 and DCO. 1. LFXT1: It can connect high-speed and low-speed crystal oscillators. In l...[Details]
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Site conditions: 1. AD acquisition, DMA transmission; AD is set to single-channel continuous mode, DMA is set to single-shot mode. The upper threshold of the AD analog watchdog setting is less than t...[Details]
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ORG 0000H
LJMP MAIN
ORG 0003H
LJMP TOINT
ORG 001BH
LJMP TOINT1
ORG 0030HMAIN: MOV SP,#60H
SETB IT0
SETB EX0
SETB EA
SJMP $TOINT:MOV TMOD,#10H
MOV TH1,#0FEH
MOV TL1...[Details]
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;Question: The 80C51 single-chip microcomputer has a fosc = 6MHz. It is required to use the T1 timer working mode 1 to perform a timing of 40ms. And P1.7 periodically outputs a rectangular wave with ...[Details]
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It is required to use MCS-51 microcontroller to sort data. 1. Sort the 8 data in ascending order; 2. The data to be sorted is stored in the internal data memory address units 30H-37H, which are 34H, ...[Details]
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Introduction: Tektronix's precise testing ensures the commercial security of mobile phone 3D face recognition technology and illuminates future technology.
The new flagship iPhone X, whi...[Details]
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EUV
lithography technology will be introduced to 10nm and
7nm
process nodes in the next few years. However, according to the analysis released at the ISS 2018 held in California, the ...[Details]
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//mega8 7.3728M Hz g CC compiled, _delay_us(us) _delay_ms(ms) call library function //initialize and set dq as output #define ds18b20_dq PC5 #define set_ds18b20_dq_ddr() DDRC|=1 ds18b20_dq #define s...[Details]
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The microcontroller controls the switching power supply. There are several control methods just for the control of the power output. One is that the MCU outputs a voltage (via DA chip or ...[Details]
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The configuration of AVR fuse bits is a relatively delicate task, and users often overlook its importance or find it difficult to master. The following are some key points and related matters that ne...[Details]
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//ICC-AVR applICation // Target : M8515 // Crystal: 4.0000MHz #include iom8515v.h #include macros.h void port_init(void) { PORTA = 0x00; DDRA = 0x03; PORTB = 0x00; DDRB = 0x70; PORTC = 0x00;...[Details]
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Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]
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A battery-powered portable wireless device presents a number of key issues that system designers must overcome. One of the most important issues is how to get heat out of the device, since such dev...[Details]