Our company is currently using a PCI video capture card, which uses SA7111A for AD conversion = EP2C8T144 to temporarily store and control transfer data = PLX9054. A FIFO is written in the FPGA chip. ...
This article talks about MIPS exceptions and interrupts. Many people may not understand the meaning of exceptions and interrupts :An exception is when an abnormal situation or special request occurs d...
Basic concepts and issues
1. Bluetooth design paradigm?
When a mobile phone scans and connects to a low-power Bluetooth device, the mobile phone and the Bluetooth device form a client-server architect...
When I was doing a serial communication experiment with STM32F103 recently, I used the tick timer to delay and sent data every 1s in a query mode, but only received data once in the serial debugging a...
[size=4]#include[/size] [size=4]const int length=180/*The voice frame length is 180 points = 22.5ms@8kHz sampling*/[/size] [size=4]void filter(int xin[], int xout[], int n, float h[]);/*Filter subrout...
The LM3S series is basically a 10-bit ADC. How is it different from other manufacturers' 12-bit ADCs? What are their advantages? I read a post saying that although the LM3S ADC is 10-bit, its accuracy...
This article introduces a miniature home electrocardiograph. The instrument has powerful functions: display monitoring, storage, playback, printing, record management, power alarm, telephone or Intern...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices t...[Details]
Maximize instrument utilization and reduce
test times
Increasing the throughput of automated test systems can improve efficiency. Using off-the-shelf tools (COTS) such as multicore proc...[Details]
JTAG Technology Introduction
One disadvantage of shrinking technology is that the complexity of testing small devices increases dramatically. When the board area is large, the board is tested...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
Introduction With the continuous development of economy, people's demand for automobiles is increasing day by day. Correspondingly, automobile consumer groups are becoming more and more mature. It...[Details]
TMS320C62X is a new generation of high-performance fixed-point digital signal processor (
DSP
) chip
from Texas Instruments (
TI
). The software design problem based on
DSP
is to use...[Details]
In recent years, the development of automotive electronic technology has significantly improved vehicle safety performance. One of the technologies that is expected to be widely used is the tire p...[Details]
Anyone who has owned a laptop computer will have noticed that when running on battery power, their portable device behaves differently than when running on AC mains power—the display dims, the proc...[Details]
0 Introduction
At present, most of the automatic blood pressure monitoring systems used in hospitals are imported equipment, which are expensive and increase the cost of medical treatment. The...[Details]
Capacitive sensing user interfaces are emerging as a practical and innovative alternative to mechanical buttons in mobile phones. While capacitive sensors can be viewed as a drop-in replacement fo...[Details]
Abstract:
QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[Details]
Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
After more than ten years of technological development and application market cultivation, biometric technology has been applied on a large scale in many application fields. As far as the Chinese m...[Details]