Total Phase Cheetah is a SPI (Serial Peripheral Interface) host adapter device that allows a computer or other host system to communicate with other SPI devices, such as sensors, displays, and memory chips. The host adapter typically connects to the host system through a standard interface, such as USB or PCIe, and provides one or more SPI interfaces for connecting to the SPI devices. The adapter manages the SPI communication protocol and provides an API or driver interface for the host system to access the SPI devices.
The Cheetah SPI Host Adapter works at a very high-speed, and functions as an ideal tool to develop, debug, and program SPI-based systems. Mainly, due to the fact that a microcontroller will have three kinds of memory: RAM, EEPROM – and Flash. RAM is used for temporary storage of memory, for when the program is active. The Flash memory is nonvolatile: that means it keeps the information we transfer to it even when we disconnect power to the microcontroller. EEPROM is also nonvolatile, but it is slower and there is typically less of it, so Flash is the memory that is more useful to us. For more information about cheetah spi, contact Pertech Embedded solutions.
Cheetah spi – adapters and your systems
Host adapters or host bus adapters (HBAs) connect the host system (such as a server) to other devices within or without the system, including hard drives, solid state drives, ethernet, firefire, etc. It allows the host system and the connected device to communicate with one another. Not all HBAs can support all types of devices. Most are specific to only given types – the Cheetah SPI host adapter for example, is specifically designed to communicate with high-speed, SPI-based flash memory.
The HBA will be installed on the PCI slot on the host system motherboard. It will then be connected with compatible cables to storage devices that are either internal (HDD or SSD within the system) or external (storage enclosures). It will then be in the middle of the input/output path transmitting and receiving data from the host system to the storage device and back, assuming the role of storing and retrieving data otherwise performed by the host system’s microprocessor.
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