TUSB8040ARKMR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Protocol:	USB
Function:	Hub Controller
Interface:	USB
Standards:	USB 3.0
Voltage - Supply:	1.1V, 3.3V
Current - Supply:	--
Operating Temperature:	-40°C ~ 85°C
Package / Case:	100-WQFN Dual Rows, Exposed Pad
Supplier Device Package:	100-WQFN-MR (9x9)
Base Part Number:	TUSB8040A

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Introduction

TUSB8040ARKMR is a serial peripheral interface (SPI) controller that provides a cost-effective solution for interfacing between a host and a variety of external peripherals. This controller is specifically designed to bridge the gap between modern embedded systems and the rapidly evolving serial interfaces, such as the SPI and other non-volatile serial data buses. The TUSB8040ARKMR SPI controller is a system-on-a-chip (SoC) design and allows the user to easily tailor their system to virtually any serial interface protocol and host environment.

Application Field

The TUSB8040ARKMR SPI controller is designed to support data transfer between microcontroller-based host systems, flash and external game controllers, and other external devices. The TUSB8040ARKMR SPI controller is well-suited for many applications including digital imaging, industrial automation, automotive, smart cell phone, and gaming applications. The TUSB8040ARKMR provides an advanced low-power solution with the flexibility to choose from a variety of packet types, data sampling frequencies and burst modes.

Usage Scenarios

The TUSB8040ARKMR SPI controller can be used for many applications including:

• Industrial automation
• Digital imaging
• Automotive
• Smart cell phones
• Gaming applications
• Flash and external game controllers
• Other external devices

Working Principle

The TUSB8040ARKMR SPI controller system design is based on a Master/Slave architecture, with the TUSB8040ARKMR acting as the master, and the external devices as the slaves. The purpose of the SPI controller is to allow the master (TUSB8040ARKMR) to efficiently control, access, and transfer data over serial communication lines. The TUSB8040ARKMR includes an interface clock, a master-slave synchronous data transfer path, two control/interrupt pins, a select line, and an optional 4-bit data bus. The clock signal incoming from the host processor is used to synchronize the data transfers. The data pins of the TUSB8040ARKMR provide the signal path between the host and an external device, while the select signal is used to activate the SPI transfer with the external device. The two control/interrupt pins provide status information to the host processor and indicate the completion of a command or a transaction. When a slave device is selected, its address is passed to the SPI bus by the selected control/interrupt pin on the TUSB8040ARKMR. The TUSB8040ARKMR then polls the slave device for status information and reads or writes data as required. Data is transferred between the host and the slave device in full duplex mode, meaning that data can be transferred in both directions simultaneously. The host processor is responsible for image capture, image processing, or command sequences. During data transfers, the master (TUSB8040ARKMR) is responsible for controlling the timing of the data transfer and for generating the handshake signals for data acknowledgements (ACKs) and busy status. The TUSB8040ARKMR supports multiple data transmission techniques such as single-byte, multi-byte, and block transfers. The TUSB8040ARKMR also supports multiple transfer types including the standard SPI, slow SPI (1 MHz) with 8-bit frames, fast SPI (>10 MHz) with 4-bit frames, and a burst mode. The burst mode supports burst transfers of up to 32-bit frames. The TUSB8040ARKMR also supports data sampling frequencies of up to 24 MHz.

Conclusion

In conclusion, the TUSB8040ARKMR SPI controller offers a low-power, cost-effective solution for digital imaging, industrial automation, automotive, smart cell phone and gaming applications. The TUSB8040ARKMR enables the master (TUSB8040ARKMR) to efficiently control, access, and transfer data over serial communication lines. It supports multiple data transmission techniques such as single-byte, multi-byte, and block transfers. The TUSB8040ARKMR also supports multiple transfer types including the standard SPI, slow SPI (1 MHz) with 8-bit frames, fast SPI (>10 MHz) with 4-bit frames, and a burst mode. The burst mode supports burst transfers of up to 32-bit frames. The TUSB8040ARKMR also supports data sampling frequencies of up to 24 MHz.

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