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Universal serial interface

A universal serial interface and universal asynchronous reception technology, applied in the field of USI, can solve the problems of large chip area, waste of chip area and interface, high production cost, etc.

Inactive Publication Date: 2013-11-13
SAMSUNG SEMICON CHINA RES & DEV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally enough IICs, UARTs and SPIs are arranged in the chip. However, the problem that this will cause is that when different solutions are adopted, most of the IICs, UARTs and SPIs actually do not work, thus wasting the chip area and interface, resulting in a larger chip area and higher production costs

Method used

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Embodiment Construction

[0028] The following description with reference to the accompanying drawings is provided to assist in a comprehensive understanding of exemplary embodiments of the present invention as defined by the claims and their equivalents. The description includes various specific details to aid in understanding, but these should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

[0029] Throughout the drawings, unless otherwise indicated, the same reference numerals refer to the same elements.

[0030] Figure 2A to Figure 2C Schematic diagrams showing the configurations of IIC, UART and SPI according to the prior art, respectively. exist Figure 2A Among them, SFR represents register conf...

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Abstract

The invention discloses a universal serial interface. The universal serial interface comprises at least two of an inter-integrated circuit (IIC) transceiver, a universal asynchronous receiver / transmitter (UART) and a serial peripheral interface (SPI) transceiver, wherein at least two of the IIC transceiver, the UART and the SPI transceiver share all transceiving first in / first out (FIFO) logic.

Description

technical field [0001] The present invention relates to a Universal Serial Interface (USI), and more specifically, to a UART that can be configured as a Serial Peripheral Interface (SPI), Universal Asynchronous Receiver / Transmitter (UART), or an Integrated Circuit Bus (IIC) The USI of the function. Background technique [0002] figure 1 A schematic diagram showing the configuration of a system on chip (SOC) according to the prior art. refer to figure 1 , There are multiple IIC, UART, and SPI communication interface modules on the current system-on-chip, and the system-on-chip can be used to communicate with Bluetooth, wireless fidelity (WIFI), debugging equipment, battery power monitoring modules, sensors, etc. [0003] Depending on the application and / or solution (for example, in the case of smartphones, for voice calls and for navigation), the number of IICs, UARTs, SPIs used in each solution will vary. Generally enough IICs, UARTs and SPIs are arranged in the chip. Ho...

Claims

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Application Information

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IPC IPC(8): G06F13/40
CPCG06F13/28G06F13/387G06F13/4282
Inventor 卢一鸣
Owner SAMSUNG SEMICON CHINA RES & DEV