Operating method for configured interface of microcontroller

A method of operation and a technology for configuring interfaces, which are applied in the direction of instruments, memory systems, data conversion, etc.

Inactive Publication Date: 2008-04-02
SHANGHAI EASTSOFT MICROELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the products of these companies all have functions such as program memory normal programming and encryption programming operation methods, most of these pro

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  • Operating method for configured interface of microcontroller
  • Operating method for configured interface of microcontroller
  • Operating method for configured interface of microcontroller

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Embodiment Construction

[0060] The program memory interface configuration operation method involved in the present invention includes an ordinary programming operation method, an encrypted programming operation method, a program verification method, a program reading method, and a program erasing method, and the control implementation methods include serial programming and parallel programming. . The test interface configuration operation method includes a function test operation method, an analog-to-digital conversion test operation method, and a direct current parameter test operation method. The operation method includes the program memory interface configuration operation method and the test interface configuration method are designed in one module, so that the internal module division of the circuit is reasonable, the external operation of the circuit is simple, and the corresponding data is serialized externally to enter the corresponding configuration mode, such as the programming mode , you c...

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Abstract

The invention relates to an operation method of a configuration interface of a microcontroller, comprising the follow steps: when a high level is input into a testing port, a serial clock and a serial data are input through an I/O port, the serial data is compared with an operation method code which is internally set, a corresponding operation method can be accessed through the comparison of the effect. The invention also comprises a function testing operation method, a DC parameter testing operation method, a digit/analog conversion testing operation method, a program storage testing operation method, a parallel programming mode operation method and a serial programming mode operation method. The configuration interface operation method of the invention can be scalable, and can access a plurality of testing operation methods and working methods, the access of a chip to different testing or working operation methods becomes more easy.

Description

technical field [0001] The invention relates to the field of microcontrollers, in particular to a configuration interface operation method. Background technique [0002] Since the 1980s, with the widespread application of computer embedded systems, microcontrollers (MCU, microcontroller unit) have developed rapidly. The early single-chip microcomputer is a single-chip integrated circuit device of the computer designed according to the requirements of embedded application technology, that is, all the characteristic devices of the electronic computer are integrated on one chip, so it is vividly called a single-chip microcomputer. Subsequently, in order to meet the requirements of embedded applications, single-chip microcomputers have continuously enhanced their control functions and peripheral interface functions, making the research and development of single-chip microcomputers in these two aspects more important. [0003] In recent years, the program memory structure of mic...

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Application Information

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IPC IPC(8): G06F13/40G06F5/06G06F11/26G06F12/00G06F12/14
Inventor 史卫东谷志坤刘桂蓉
Owner SHANGHAI EASTSOFT MICROELECTRONICS
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