C55x accesses data space, memory mapped registers, register bits, and I/O space through the following three addressing modes:Absolute addressing mode Addressingis accomplished by specifying a constant...
[color=Red]1.[/color]If the on-chip data memory and the off-chip data memory are separately addressed, will there be address overlap? What method is used to distinguish them? [color=Red]2.[/color]The ...
I am developing a network program that needs to be compatible with cmnet and cmwap. Since I don't know the network type in advance, I first connect to port 80 of 10.0.0.172. If successful, I judge it ...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:53[/i]On May 15, the sky in Beijing was cloudy at noon. Li Bin, who was practicing film pasting at a stall in Zhongguancun at the time,...
Recently, the U.S. Department of Commerce announced that it would prohibit companies in the country from selling any electronic technology or communication components to ZTE, a Chinese communicatio...[Details]
On April 19, it was reported that Alibaba DAMO Academy is developing a neural network chip, Ali-
NPU
, which is mainly used for
AI
reasoning calculations such as image and video analys...[Details]
Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]
This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
1. Introduction to MC68K CPU The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]
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]
If you do not use an external crystal on the STM32, the connection method of OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal, please follow the following metho...[Details]
1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]
Title: Use two dynamic digital tubes to display from 0 to 60, output from the P1 port of 89C51, without adding a decoder, and directly connect the digital tubes. Note that they are dynamic digital tu...[Details]
AI
chips are becoming a new trend in the industry. On November 15, Qualcomm announced that it would invest in nine Chinese AI algorithm + chip innovation companies. Let's follow the network c...[Details]
/********************************************************************** Read LCD status word to STA function: used to judge busy or idle before writing data or commands to the LCD *****************...[Details]
The chip is EM78P153 ; P64, P65 are connected to the crystal oscillator, the oscillation mode is 4MHz crystal oscillator ; the watchdog is off, the instruction cycle is 2 CLOCK, and P63 is the rese...[Details]
Multi-byte binary division The dividend is 3 bytes, in units 0x20, 0x21, and 0x22, 0x22.7 is the most significant bit and 0x20.0 is the least significant bit. The divisor is 2 bytes, in 0x30, 0x31. A...[Details]
Microcontroller MCU
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